JP4090638B2 - Plant disease control composition - Google Patents
Plant disease control composition Download PDFInfo
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- JP4090638B2 JP4090638B2 JP24939999A JP24939999A JP4090638B2 JP 4090638 B2 JP4090638 B2 JP 4090638B2 JP 24939999 A JP24939999 A JP 24939999A JP 24939999 A JP24939999 A JP 24939999A JP 4090638 B2 JP4090638 B2 JP 4090638B2
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- 241000051572 Typhula sp. Species 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
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- 240000006677 Vicia faba Species 0.000 description 1
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- ATBOMIWRCZXYSZ-XZBBILGWSA-N [1-[2,3-dihydroxypropoxy(hydroxy)phosphoryl]oxy-3-hexadecanoyloxypropan-2-yl] (9e,12e)-octadeca-9,12-dienoate Chemical compound CCCCCCCCCCCCCCCC(=O)OCC(COP(O)(=O)OCC(O)CO)OC(=O)CCCCCCC\C=C\C\C=C\CCCCC ATBOMIWRCZXYSZ-XZBBILGWSA-N 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
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- 239000000642 acaricide Substances 0.000 description 1
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 description 1
- UELITFHSCLAHKR-UHFFFAOYSA-N acibenzolar-S-methyl Chemical compound CSC(=O)C1=CC=CC2=C1SN=N2 UELITFHSCLAHKR-UHFFFAOYSA-N 0.000 description 1
- 239000003905 agrochemical Substances 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
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- 150000001346 alkyl aryl ethers Chemical class 0.000 description 1
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- 125000005012 alkyl thioether group Chemical group 0.000 description 1
- AWUCVROLDVIAJX-UHFFFAOYSA-N alpha-glycerophosphate Natural products OCC(O)COP(O)(O)=O AWUCVROLDVIAJX-UHFFFAOYSA-N 0.000 description 1
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 1
- 235000011130 ammonium sulphate Nutrition 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
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- 239000003429 antifungal agent Substances 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 239000000010 aprotic solvent Substances 0.000 description 1
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- 239000012752 auxiliary agent Substances 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 description 1
- 239000008116 calcium stearate Substances 0.000 description 1
- 235000013539 calcium stearate Nutrition 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 239000005018 casein Substances 0.000 description 1
- BECPQYXYKAMYBN-UHFFFAOYSA-N casein, tech. Chemical compound NCCCCC(C(O)=O)N=C(O)C(CC(O)=O)N=C(O)C(CCC(O)=N)N=C(O)C(CC(C)C)N=C(O)C(CCC(O)=O)N=C(O)C(CC(O)=O)N=C(O)C(CCC(O)=O)N=C(O)C(C(C)O)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=O)N=C(O)C(CCC(O)=O)N=C(O)C(COP(O)(O)=O)N=C(O)C(CCC(O)=N)N=C(O)C(N)CC1=CC=CC=C1 BECPQYXYKAMYBN-UHFFFAOYSA-N 0.000 description 1
- 235000021240 caseins Nutrition 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 235000020971 citrus fruits Nutrition 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 229910052570 clay Inorganic materials 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 description 1
- SBZXBUIDTXKZTM-UHFFFAOYSA-N diglyme Chemical compound COCCOCCOC SBZXBUIDTXKZTM-UHFFFAOYSA-N 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 235000019329 dioctyl sodium sulphosuccinate Nutrition 0.000 description 1
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 description 1
- 244000013123 dwarf bean Species 0.000 description 1
- AWZOLILCOUMRDG-UHFFFAOYSA-N edifenphos Chemical compound C=1C=CC=CC=1SP(=O)(OCC)SC1=CC=CC=C1 AWZOLILCOUMRDG-UHFFFAOYSA-N 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- GOWLARCWZRESHU-AQTBWJFISA-N ferimzone Chemical compound C=1C=CC=C(C)C=1C(/C)=N\NC1=NC(C)=CC(C)=N1 GOWLARCWZRESHU-AQTBWJFISA-N 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
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- 235000021021 grapes Nutrition 0.000 description 1
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- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 239000004009 herbicide Substances 0.000 description 1
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- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000011081 inoculation Methods 0.000 description 1
- 239000002917 insecticide Substances 0.000 description 1
- FCOAHACKGGIURQ-UHFFFAOYSA-N iprobenfos Chemical compound CC(C)OP(=O)(OC(C)C)SCC1=CC=CC=C1 FCOAHACKGGIURQ-UHFFFAOYSA-N 0.000 description 1
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- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 229910052622 kaolinite Inorganic materials 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
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- 235000021332 kidney beans Nutrition 0.000 description 1
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- 239000005645 nematicide Substances 0.000 description 1
- 239000002547 new drug Substances 0.000 description 1
- SNICXCGAKADSCV-UHFFFAOYSA-N nicotine Chemical compound CN1CCCC1C1=CC=CN=C1 SNICXCGAKADSCV-UHFFFAOYSA-N 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- 235000020636 oyster Nutrition 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 150000008104 phosphatidylethanolamines Chemical class 0.000 description 1
- 150000003904 phospholipids Chemical class 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000005648 plant growth regulator Substances 0.000 description 1
- 239000000244 polyoxyethylene sorbitan monooleate Substances 0.000 description 1
- 235000010482 polyoxyethylene sorbitan monooleate Nutrition 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 229920000053 polysorbate 80 Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 1
- 230000003389 potentiating effect Effects 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- 230000000069 prophylactic effect Effects 0.000 description 1
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- 150000003839 salts Chemical class 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- APSBXTVYXVQYAB-UHFFFAOYSA-M sodium docusate Chemical compound [Na+].CCCCC(CC)COC(=O)CC(S([O-])(=O)=O)C(=O)OCC(CC)CCCC APSBXTVYXVQYAB-UHFFFAOYSA-M 0.000 description 1
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 235000021012 strawberries Nutrition 0.000 description 1
- 150000003573 thiols Chemical class 0.000 description 1
- 239000010455 vermiculite Substances 0.000 description 1
- 229910052902 vermiculite Inorganic materials 0.000 description 1
- 235000019354 vermiculite Nutrition 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Landscapes
- Agricultural Chemicals And Associated Chemicals (AREA)
Description
【0001】
【発明の属する技術分野】
本発明は、少なくとも2種の有効成分を含有し、イネいもち病の感染に対して相乗的に増強された効果を有する植物保護組成物である。更に詳しくは、有効成分の一方が植物病害防除作用を示す置換チオフェン誘導体であり、他方が有機ヘテロ環化合物、有機りん系化合物、アクリレート系化合物、ジクロシメット、カスガマイシン、ブラストサイジン−Sおよびフェリムゾンから選ばれる化合物である殺菌剤組成物に関する。
【0002】
【従来の技術】
近年開発された選択的作用を示す殺菌剤は、それまで使用されてきた非選択的な殺菌剤と異なり低薬量で安定した効果を示すが、繰り返し使用した場合に薬剤耐性が出現し、効力の低下を来す恐れがある。その対策として、予防的剤との混合、作用機作の異なる薬剤との混合、あるいは薬剤自身の使用回数の制限も行われているとともに、新たな薬剤の開発が期待されている。
【0003】
特開平9−235282号公報(欧州特許公開第737682号公報)には、新たな置換チオフェン誘導体が種々の病害に対して殺菌効果を有することが知られているが、この特許においては、本発明の構造を有する化合物に関しての記載はない。
【0004】
一方、成分IIは有機ヘテロ環化合物、有機りん系化合物、アクリレート系化合物、ジクロシメット、カスガマイシン、ブラストサイジン−Sおよびフェリムゾンから選ばれる公知の化合物であり、以下に一般名[“商品名(英名)”、頁]で示し、頁とは、[ザ ペスチサイド マニュアル(The Pesticide Manual)、第11版、The British Crop Protection Council、1997年]の記載頁を示す。
【0005】
A.有機ヘテロ環化合物
1.プロベナゾール[“オリゼメート(Oryzemate)”、第999〜1000頁]
2.トリシクラゾール[“ビーム(Beam)”、第1239〜1241頁]
3.ピロキロン[“コラトップ(Coratop)”、第1075〜1076頁]
4.クロベンチアゾン[第1234頁]
5.フサライド[“ラブサイド(Rabcide)”、第974〜975頁]
6.カルプロアミド[“ウイン(Win)”、第744〜746頁]
7.イソプロチオラン[“フジワン(Fuji−one)”、第731〜732頁]
8.アシベンゾラル・S・メチル[“バイオン(Bion)”、第195〜196頁]
9.イソチアゾールカルボン酸誘導体[“US−5240951”]
【0006】
B.有機りん系化合物
1.イプロベンフォス[“キタジンP(Kitazin P)”、第723〜724頁]
2.エジフェンフォス[“ヒノザン(Hinosan)”、第454〜456頁]
【0007】
C.アクリレート系化合物
1.クレソキシム・メチル[“ストロビー”、第743〜744頁]
2.アゾキシストロビルリン[“ヘリテージ(Heritage)”、第70〜72頁]
3.特開昭63−23852号公報に記載の化合物
4.SSF−126(コード番号)[第1114〜1115頁]
【0008】
D.その他
1.ジクロシメット[“S−2900”、特開昭63−72663]
2.カスガマイシン[“カスミン(Kasumin)”第740〜742頁]
3.ブラストサイジン−S[“ブラ−S(Bla−S)”、第133〜134頁]
4.フェリムゾン[“ブラシン(Blasin/フサライドとの混合物)”、第543〜544頁]
【0009】
【発明が解決しようとする課題】
従って、本発明は、成分Iの置換チオフェン誘導体の一つと成分IIの有機ヘテロ環化合物、有機りん系化合物、アクリレート系化合物、ジクロシメット、カスガマイシン、ブラストサイジン−Sおよびフェリムゾンから選ばれる公知の化合物のうちの一つとの少なくとも二種の有効成分を含有し、イネいもち病に対して相乗的に増強された作用を有する植物病害防除剤組成物を提供することを目的とする。
【0010】
【課題を解決するための手段】
本発明者等は上記課題を解決するため種々検討した結果、驚くべきことに、成分IIの有機ヘテロ環化合物、有機りん系化合物、アクリレート系化合物、ジクロシメット、カスガマイシン、ブラストサイジン−Sおよびフェリムゾンのうちの少なくとも一つの成分と成分Iの置換チオフェン誘導体の一つとを混合した組成物が、広範囲の植物病害、特にイネいもち病の感染に対して増強された相乗効果を示し、従って前記課題の解決にかなうものであることを見出し、本発明を完成した。
【0011】
即ち、本発明は、少なくとも2種の有効成分を含有し、イネいもち病の感染に対して相乗効果を有する植物保護組成物であり、成分Iは(化3)
【0012】
【化3】
[式中、Qは水素原子、メチル基、トリフルオロメチル基、フッ素原子、塩素原子、臭素原子、ヨウ素原子、メトキシ基、メチルスルホキシ基、メチルスルホニル基、シアノ基、アセチル基、ニトロ基、アルコキシカルボニル基またはアミノ基を示し、Rは炭素数3〜12の直鎖または分岐のアルキル基、炭素数3〜12の直鎖または分岐のハロゲノアルキル基、炭素数3〜10の直鎖または分岐のアルケニル基、炭素数3〜10の直鎖または分岐のハロゲノアルケニル基、炭素数1〜4のアルキル基で置換していてもよい炭素数3〜10のシクロアルキル基、炭素数1〜4のアルキル基で置換していてもよい炭素数3〜10のハロゲノ置換シクロアルキル基、または1〜3個の置換基により置換されていてもよいフェニル基であり、該フェニル基の置換基は水素原子、炭素数1〜4のアルキル基、炭素数2〜4のアルケニル基、炭素数2〜4のアルキニル基、炭素数3〜6のシクロアルキル基、炭素数1〜4のアルコキシ基、炭素数1〜4のハロゲノアルコキシ基、炭素数1〜4のアルキルチオ基、炭素数1〜4のアルキルスルホキシ基、炭素数1〜4のアルキルスルホニル基、ハロゲン原子、シアノ基、炭素数2〜4のアシル基、炭素数2〜4のアルコキシカルボニル基、アミノ基、または炭素数1〜3のアルキル基で置換されたアミノ基であり、Rと−NHCOArは互いに隣り合っており、Arは以下の(A1)から(A8)(化4)
【0013】
【化4】
(式中、R1はトリフルオロメチル基、ジフルオロメチル基、メチル基、エチル基、塩素原子、臭素原子またはヨウ素原子であり、R2は水素原子、メチル基、トリフルオロメチル基またはアミノ基であり、nは0〜2の整数である)で表される基である]で表される置換チオフェン誘導体であり、成分IIは、トリシクラゾール、ピロキロン、又はフェリムゾンである組成物である。
【0014】
【発明の実施の形態】
本発明の成分Iで表される化合物のうち、好ましいものは、Arが(A1)で、R1がCF3またはMe基でありR2がMe基;Arが(A2)で、R1がCF3またはCHF2;Arが(A3)で、R1がMe基でありR2が水素原子またはMe基;Arが(A4)で、R1がMe基でありnが0〜1;Arが(A5)で、R1が塩素原子;Arが(A6)または(A7);Arが(A8)で、R1がMe基である化合物、Rが炭素数4〜8の直鎖または分岐のアルキル基、または炭素数1〜4のアルキル基で置換していてもよい炭素数4〜8のシクロアルキル基である化合物、Qが水素原子である化合物である。
【0015】
本発明の成分Iとして特に好ましい化合物は、Arが(A1)で、R1がCF3またはMe基であり、R2がMe基;Arが(A2)であり、R1がCF3またはCHF2であり、Qが水素原子であり、Rが炭素数4〜8の直鎖または分岐のアルキル基、または炭素数1〜4のアルキル基で置換してもよい炭素数4〜8のシクロアルキル基である化合物である。
【0016】
以下に、成分Iで表される化合物の具体例の幾つかを示す。
化合物番号1:N−{2−(1,3−ジメチルブチル)−3−チエニル}−2,4−ジメチルチアゾール−5−カルボン酸アミド
[Qが水素原子であり、Rが1,3−ジメチルブチル基であり、ArがA1(R1=Me,R2=Me)の場合]
化合物番号2:N−{2−(1,3−ジメチルブチル)−3−チエニル}−3−トリフルオロメチル−1−メチルピラゾール−4−カルボン酸アミド
[Qが水素原子であり、Rが1,3−ジメチルブチル基であり、ArがA2(R1=CF3)の場合]
化合物番号3:N−{2−(1,3−ジメチルブチル)−3−チエニル}−2−メチルフラン−3−カルボン酸アミド
[Qが水素原子であり、Rが1,3−ジメチルブチル基であり、ArがA3(R1=Me,R2=H)の場合]
化合物番号4:N−{2−(1,3−ジメチルブチル)−3−チエニル}−3−メチルチオフェン−2−カルボン酸アミド
[Qが水素原子であり、Rが1,3−ジメチルブチル基であり、ArがA4(R1=Me,n=0)の場合]
化合物番号5:N−{2−(1,3−ジメチルブチル)−3−チエニル}−2−クロロニコチン酸アミド
[Qが水素原子であり、Rが1,3−ジメチルブチル基であり、ArがA6の場合]
【0017】
本発明の組成物は、下記の種類の植物病害に対して有効である:イネのいもち病(Pyricularia oryzae)、紋枯病(Rhizoctonia solani)、ごま葉枯病(Cochliobolus miyabeanus)、馬鹿苗病(Gibberella fujikuroi);ムギ類のうどんこ病(Erysiphe graminis f.sp.hordei; f.sp.tritici)、さび病(Puccinia striiformis; P. graminis; P.recondita; P.hordei)、斑葉病(Pyrenophora graminea)、網斑病(Pyrenophora teres)、赤かび病(Gibberella zeae)、雪腐病(Typhula sp.; Micronectriella nivalis)、裸黒穂病(Ustilago tritici; U.nuda)、なまぐさ黒穂病(Tilletia caries)、眼紋病(Pseudocercosporella herpotrichoides)、株腐病(Rhizoctonia cerealis)、雲形病(Rhynchosporium secalis)、葉枯病(Septoria tritici)、ふ枯病(Leptosphaeria nodorum);インゲン、キュウリ、トマト、イチゴ、ブドウ、ジャガイモ、ダイズ、キャベツ、ナス、レタス等の灰色かび病(Botrytis cinerea);ブドウのべと病(Plasmopora viticola)、さび病(Phakopsora ampelopsidis)、うどんこ病(Uncinula necator)、黒とう病(Elsinoe ampelina)、晩腐病(Glomerella cingulata);リンゴのうどんこ病(Podosphaera leucotricha)、黒星病(Venturia inaequalis)、斑点落葉病(Alternaria mali)、赤星病(Gymnosporangium yamadae)、モニリア病(Sclerotinia mali)、腐らん病(Valsa mali);ナシの黒斑病(Alternaria kikuchiana)、黒星病(Venturia nashicola)、赤星病(Gymnosporangium haraeanum)、輪紋病(Physalospora piricola);モモの灰星病(Sclerotinia cinerea)、黒星病(Cladosporium carpophilum)、フォモプシス腐敗病(Phomopsis sp.);カキの炭そ病(Gloeosporium kaki)、落葉病(Cercospora kaki; Mycosphaerella nawae)、うどんこ病(Phyllactinia kakikora);キュウリのべと病(Pseudoperonospora cubensis)、ウリ類のうどんこ病(Sphaerotheca fuliginea)、炭そ病(Colletotrichum lagenarium)、つる枯病(Mycosphaerella melonis);トマトの輪紋病(Alternaria solani)、葉かび病(Cladosporium fulvam)、疫病(Phytophthora infestans);ナスのうどんこ病(Erysiphe cichoracorum)、すすかび病(Mycovellosiella nattrassii); アブラナ科野菜の黒斑病(Alternaria japonica)、白斑病(Cercosporella brassicae);ネギのさび病(Puccinia allii)、黒斑病(Alternaria porri); ダイズの紫斑病(Cercospora kikukuchii)、黒とう病(Elsinoe glycinnes)、黒点病(Diaporthe phaseololum);インゲンの炭そ病(Colletotrichum lindemuthianum);ラッカセイの黒渋病(Mycosphaerella personatum)、褐斑病(Cercospora arachidicola);エンドウのうどんこ病(Erysiphe pisi)、べと病(Peronospora pisi);ジャガイモの夏疫病(Alternaria solani)、黒あざ病(Rhizoctonia solani)、疫病(Phytophthora infestans);ソラマメのべと病(Peronospora viciae)、疫病(Phytophthora nicotianae);チャの網もち病(Exobasidium reticulatum)、白星病(Elsinoe leucospila)、炭そ病(Colletotrichum theae-sinensis) ;タバコの赤星病(Alternaria longipes)、うどんこ病(Erysiphe cichoracearum)、 炭そ病(Colletotrichum tabacum)、疫病(Phytophthora parasitica);テンサイの褐斑病(Cercospora beticola); バラの黒星病(Diplocarpon rosae)、うどんこ病(Sphaerotheca pannosa)、疫病(Phytophthora megasperma); キクの褐斑病(Septoria chrysanthemi-indici)、白さび病(Puccinia horiana);イチゴのうどんこ病(Sphaerotheca humuli)、疫病(Phytophthora nicotianae);インゲン、キュウリ、トマト、イチゴ、ブドウ、ジャガイモ、ダイズ、キャベツ、ナス、レタス等の菌核病(Sclerotinia sclerotiorum);カンキツの黒点病(Diaporthe citri); ニンジンの黒葉枯病(Alternaria dauci) 等。なかでも、イネいもち病に対して相乗的に増強された効果を有する。このような増強作用は、個々の有効成分の作用の合計からは予期されることではなかった。
【0018】
本発明の植物病害防除剤組成物において、成分Iの置換チオフェン誘導体と成分IIの化合物の混合割合は特に限定されないが、通常、成分Iの化合物1重量部に対して成分IIの化合物は0.01〜50重量部、好ましくは0.5〜50重量部、より好ましくは0.5〜30重量部、より一層好ましくは1〜20重量部の範囲内である。
【0019】
本発明の組成物は、2種の有効成分を含む混合物を直接施用しても良いし、個々の有効成分を別々に同時施用するか、または相前後して施用しても良い。更に、有効成分を含む混合物は、2種の有効成分を含む濃厚組成物を水で希釈しても良いし、また、個々の有効成分を含む2種の濃厚液から使用時に混合物を調製し、これを水で希釈しても良い(タンクミックス法)。本発明組成物を植物病害防除剤として使用する場合は、処理する植物に対して原体をそのまま使用してもよいが、一般には不活性な液体担体、固体担体、界面活性剤と混合し、通常用いられる製剤形態である粉剤、水和剤、フロアブル剤、乳剤、粒剤およびその他の一般に慣用される形態の製剤として使用される。更に製剤上必要ならば補助剤を添加することもできる。
【0020】
ここでいう担体とは、処理すべき部位への有効成分の到達を助け、また有効成分化合物の貯蔵、輸送、取扱いを容易にするために配合される合成または天然の無機または有機物質を意味する。担体としては、通常農園芸用薬剤に使用されるものであるならば固体または液体のいずれでも使用でき、特定のものに限定されるものではない。
【0021】
例えば、固体担体としては、モンモリロナイト、カオリナイト等の粘土類;珪藻土、白土、タルク、バ−ミュキュライト、石膏、炭酸カルシウム、シリカゲル、硫安等の無機物質;大豆粉、鋸屑、小麦粉等の植物性有機物質および尿素等が挙げられる。物性を改良するために、高分散ケイ酸または高分散吸収性ポリマーを添加することも可能である。
液体担体としては、トルエン、キシレン、クメン等の芳香族炭化水素類;ケロシン、鉱油などのパラフィン系炭化水素類;アセトン、メチルエチルケトン、シクロヘキサノンなどのケトン類;ジオキサン、ジエチレングリコールジメチルエーテルなどのエーテル類;メタノール、エタノール、プロパノール、エチレングリコールなどのアルコール類;ジメチルホルムアミド、ジメチルスルホキシドなどの非プロトン性溶媒および水等が挙げられる。
【0022】
更に、製剤の剤型、適用場面等を考慮して目的に応じてそれぞれ単独に、または組み合わせて次の様な補助剤を添加することができる。補助剤としては、通常使用される界面活性剤、結合剤(例えば、リグニンスルホン酸、アルギン酸、ポリビニルアルコール、アラビアゴム、CMCナトリウム等)、安定剤(例えば、酸化防止用としてフェノール系化合物、チオール系化合物または高級脂肪酸エステル等を用いたり、pH調整剤として燐酸塩を用いたり、時に光安定剤も用いる)等を必要に応じて単独または組み合わせて使用できる。更に場合によっては防菌防黴のために工業用殺菌剤、防菌防黴剤などを添加することもできる。
【0023】
補助剤について更に詳しく述べる。補助剤としては乳化、分散、拡展、湿潤、結合、安定化等の目的ではリグニンスルホン酸塩、アルキルベンゼンスルホン酸塩、アルキル硫酸エステル塩、ポリオキシアルキレンアルキル硫酸塩、ポリオキシアルキレンアルキルリン酸エステル塩等のアニオン性界面活性剤;ポリオキシアルキレンアルキルエーテル、ポリオキシアルキレンアルキルアリールエーテル、ポリオキシアルキレンアルキルアミン、ポリオキシアルキレンアルキルアミド、ポリオキシアルキレンアルキルアミド、ポリオキシアルキレンアルキルチオエーテル、ポリオキシアルキレン脂肪酸エステル、グリセリン脂肪酸エステル、ソルビタン脂肪酸エステル、ポリオキシアルキレンソルビタン脂肪酸エステル、ポリオキシプロピレンポリオキシエチレンブロックポリマー等の非イオン性界面活性剤;ステアリン酸カルシウム、ワックス等の滑剤;イソプロピルヒドロジエンホスフェート等の安定剤;ホスファチジルエタノールアミン、ホスファチジルセリン、ホスファチジルグリセロール、リゾレシチン等のセファリンまたはレシチン系の天然または合成リン脂質;その他メチルセルロース、カルボキシメチルセルロース、カゼイン、アラビアゴム等が挙げられる。しかし、これらの成分は以上のものに限定されるものではない。
【0024】
本発明組成物における有効成分組成物の含有量は、製剤形態によっても異なるが、通常粉剤では0.1〜30重量%、水和剤では0.1〜80重量%、粒剤では0.5〜20重量%、乳剤では2〜50重量%、フロアブル製剤では1〜50重量%、ドライフロアブル製剤では1〜80重量%であり、好ましくは、粉剤では0.5〜10重量%、水和剤では5〜60重量%、乳剤では5〜20重量%、フロアブル製剤では5〜50重量%およびドライフロアブル製剤では5〜50重量%である。
補助剤の含有量は0〜80重量%であり、担体の含有量は100重量%から有効成分化合物のおよび補助剤の含有量を差し引いた量である。
【0025】
本発明の組成物の施用方法としては種子処理、茎葉散布、土壌潅注、水面施用等が挙げられるが、通常当業者が利用するどの様な施用方法にても十分な効力を発揮する。施用量および施用濃度は対象作物、対象病害、病害の発生程度、化合物の剤型、施用方法および各種環境条件等によって変動するが、散布する場合には有効成分量としてヘクタール当たり50〜1,000gが適当であり、望ましくはヘクタール当り100〜500gである。また水和剤、フロアブル剤または乳剤を水で希釈して散布する場合、その希釈倍率は200〜20,000倍が適当であり、望ましくは500〜5,000倍である。また、種子消毒の場合、殺菌剤混合物の使用量は、種子1kg当たり0.001から50g、好ましくは0.01から10gである。
本発明の組成物は他の殺菌剤、殺虫剤、殺ダニ剤、殺線虫剤、除草剤および植物成長調節剤等の農薬、土壌改良剤または肥効物質との混合使用は勿論のこと、これらとの混合製剤も可能である。
【0026】
次に、製剤例および試験例にて本発明を更に詳しく説明する。尚、製剤例中の部は重量部を表す。
【0027】
【実施例】
製剤例 1(水和剤)
化合物番号1:10部、トリシクラゾール:10部、リグニンスルホン酸ナトリウム:10部、アルキルベンゼンスルホン酸ナトリウム:20部および珪藻土:50部を粉砕混合して、水和剤を得た。
【0028】
製剤例 2(水和剤)
化合物番号2:20部、ピロキロン:20部、炭酸カルシウム:40部、ソルポール5039(アニオン性界面活性剤とホワイトカーボンの混合物:東邦化学株商品名):10部、ホワイトカーボン:10部を均一に混合粉砕して水和剤とした。
【0029】
製剤例 3(フロアブル剤)
化合物番号1:10部、SSF−126:10部、プロピレングリコール:3部、リグニンスルホン酸ナトリウム:2部、ジオクチルスルホサクシネートナトリウム塩:1部、および水:74部をサンドグラインダーで湿式粉砕しフロアブル剤を得た。
【0030】
製剤例 4(フロアブル剤)
化合物番号4:10部、ブラシン:5部、ポリオキシエチレンソルビタンモノオレエート:3部、カルボキシメチルセルロ−ス:3部および水:79部をサンドグラインダーで湿式粉砕しフロアブル剤を得た。
【0031】
製剤例 5(粒剤)
化合物番号1:5部、トリシクラゾール:5部、ベントナイト:25部、タルク:62部、リグニンスルホン酸ナトリウム:2部、およびドデシルベンゼンスルホン酸ナトリウム:1部を混合した後、適量の水を加えて均一に混練し、バスケット造粒機にて造粒した後乾燥させて粒剤を得た。
【0032】
試験例1 イネいもち病防除効果試験(散布処理)
温室内でポットに2葉期まで30〜40本ずつ生育させたイネ(品種:マンゲツモチ)に、製剤例1に準じて調製した水和剤を所定濃度(有効成分濃度200ppm)に希釈して、3ポット当たり50mlずつ散布した。薬液が乾いた後、オートミール培地上で培養したイネいもち病菌から調製した分生胞子懸濁液(4×105個/ml)をイネ全体に噴霧接種し、温度25℃、湿度95%以上の人工気象室に7日間保った。接種7日後、イネ5本当たりのイネいもち病の病斑数を次の指標に従って調査し、下記の式に従って防除価を求めた。結果を第1表(表1)に示す。
【0033】
各処理区および無処理区の平均値を発病度とした。
防除価(%)=(1−処理区の発病度/無処理区の発病度)×100
【0034】
【表1】
【0035】
試験例2 イネいもち病防除効果試験(水面施用)
5000分の1アールのワグネルポットにイネ(品種:マンゲツモチ;3葉期)を移植し、温室内で1週間生育した後、製剤例5に準じて調製した粒剤を水面施用した。薬剤処理40日経過後に、胞子懸濁液を噴霧接種し、温度25℃、高湿度条件下でそれぞれ1週間置き、病斑数を調査し、防除価は試験例1と同様にして算出した。結果を第2表(表2)に示す。
【0036】
【表2】
【0037】
【発明の効果】
本発明は、少なくとも2種の有効成分を含有する植物病害防除剤組成物であり、広範囲の植物病害、特にイネいもち病に対して相乗的に増強された効果を示すことから、植物病害防除剤組成物として有用である。本発明の組成物を使用することにより、慣用の方法に比べて予期しない少量の有効成分量で、効果的に病害の防除ができる。
また、本発明の組成物はイネいもち病に対する相乗効果のほか、紋枯病等に対する効果を示す。[0001]
BACKGROUND OF THE INVENTION
The present invention is a plant protection composition containing at least two active ingredients and having a synergistically enhanced effect on rice blast infection. More specifically, one of the active ingredients is a substituted thiophene derivative exhibiting a plant disease control action, and the other is selected from organic heterocyclic compounds, organic phosphorus compounds, acrylate compounds, diclosimet, kasugamycin, blasticidin-S and ferrimzone. It is related with the disinfectant composition which is a compound.
[0002]
[Prior art]
Unlike the non-selective fungicides that have been used so far, fungicides that have been developed in recent years show stable effects at low doses. There is a risk of lowering. As countermeasures, mixing with prophylactic agents, mixing with drugs with different mechanisms of action, or limiting the number of uses of the drugs themselves, and the development of new drugs are expected.
[0003]
Japanese Patent Application Laid-Open No. 9-235282 (European Patent Publication No. 737682) discloses that a new substituted thiophene derivative has a bactericidal effect against various diseases. There is no description about a compound having the structure of
[0004]
On the other hand, Component II is a known compound selected from organic heterocyclic compounds, organophosphorus compounds, acrylate compounds, diclocimet, kasugamycin, blasticidin-S and ferrimzone. ", Page", and the page refers to the page described in [The Pesticide Manual, 11th Edition, The British Crop Protection Council, 1997].
[0005]
A. 1. Organic heterocyclic compounds Probenazole ["Oryzemate", 999-1000]
2. Tricyclazole ["Beam", pp. 1239 to 1241]
3. Pirochiron ["Colatop", pp. 1075-1076]
4). Clovenir Azone [page 1234]
5. Fusaride [“Rabcide”, pp. 974-975]
6). Carproamide ["Win", pp. 744-746]
7). Isoprothiolane ["Fuji-one", pp. 731-732]
8). Acibenzoral S.methyl ["Bion", pp. 195-196]
9. Isothiazole carboxylic acid derivatives [“US-5240951”]
[0006]
B. Organophosphorus compounds Iprovenfos ["Kitazin P", pp. 723-724]
2. Edifice Foss ["Hinosan", pp. 454-456]
[0007]
C. Acrylate compounds Cresoxime methyl ["Strobium", pp. 743-744]
2. Azoxystrovirlin ["Heritage", pp. 70-72]
3. 3. Compounds described in JP-A-63-23852 SSF-126 (code number) [pages 1114 to 1115]
[0008]
D. Other 1. Diclocimet [“S-2900”, JP-A-63-72663]
2. Kasugamycin [“Kasumin” pp. 740-742]
3. Blasticidin-S [“Bla-S”, pp. 133-134]
4). Ferimzone [“Blasin (mixture with Blasin / Fusalide)”, pp. 543-544]
[0009]
[Problems to be solved by the invention]
Accordingly, the present invention relates to a known compound selected from one of the substituted thiophene derivatives of Component I and the organic heterocyclic compounds, organophosphorus compounds, acrylate compounds, diclosimet, kasugamycin, blasticidin-S and ferrimzone of Component II. An object of the present invention is to provide a plant disease control composition comprising at least two active ingredients with one of them and having a synergistically enhanced action against rice blast.
[0010]
[Means for Solving the Problems]
As a result of various studies to solve the above problems, the present inventors have surprisingly found that the organic heterocyclic compounds, organic phosphorus compounds, acrylate compounds, diclosimet, kasugamycin, blasticidin-S and ferrimzone of Component II A composition comprising a mixture of at least one of the components and one of the substituted thiophene derivatives of component I exhibits an enhanced synergistic effect against a wide range of plant diseases, in particular rice blast infection, and thus the solution As a result, the present invention has been completed.
[0011]
That is, the present invention is a plant protective composition containing at least two kinds of active ingredients and having a synergistic effect against rice blast infection.
[0012]
[Chemical 3]
[Wherein Q is a hydrogen atom, a methyl group, a trifluoromethyl group, a fluorine atom, a chlorine atom, a bromine atom, an iodine atom, a methoxy group, a methylsulfoxy group, a methylsulfonyl group, a cyano group, an acetyl group, a nitro group, R represents an alkoxycarbonyl group or an amino group, and R represents a linear or branched alkyl group having 3 to 12 carbon atoms, a linear or branched halogenoalkyl group having 3 to 12 carbon atoms, or a linear or branched group having 3 to 10 carbon atoms. An alkenyl group having 3 to 10 carbon atoms, a straight-chain or branched halogenoalkenyl group having 3 to 10 carbon atoms, a cycloalkyl group having 3 to 10 carbon atoms which may be substituted with an alkyl group having 1 to 4 carbon atoms, A halogenated substituted cycloalkyl group having 3 to 10 carbon atoms which may be substituted with an alkyl group, or a phenyl group which may be substituted with 1 to 3 substituents; The substituent of the ru group is a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, an alkenyl group having 2 to 4 carbon atoms, an alkynyl group having 2 to 4 carbon atoms, a cycloalkyl group having 3 to 6 carbon atoms, or 1 to 1 carbon atom. 4 alkoxy groups, halogenated alkoxy groups having 1 to 4 carbon atoms, alkylthio groups having 1 to 4 carbon atoms, alkylsulfoxy groups having 1 to 4 carbon atoms, alkylsulfonyl groups having 1 to 4 carbon atoms, halogen atoms, cyano groups , An acyl group having 2 to 4 carbon atoms, an alkoxycarbonyl group having 2 to 4 carbon atoms, an amino group, or an amino group substituted with an alkyl group having 1 to 3 carbon atoms, wherein R and —NHCOAr are adjacent to each other. Ar is the following (A1) to (A8) (Chemical Formula 4)
[0013]
[Formula 4]
(Wherein R1 is a trifluoromethyl group, difluoromethyl group, methyl group, ethyl group, chlorine atom, bromine atom or iodine atom, R2 is a hydrogen atom, methyl group, trifluoromethyl group or amino group; n is an integer of 0 to 2)], and component II is a composition that is tricyclazole, pyroxylone, or ferrimzone .
[0014]
DETAILED DESCRIPTION OF THE INVENTION
Of the compounds represented by the component I of the present invention, preferred is a Ar is (A1), R1 is located at the CF 3 or Me group R2 is Me group; in the Ar (A2), R1 is CF 3 or CHF 2 ; Ar is (A3), R 1 is a Me group and R 2 is a hydrogen atom or Me group; Ar is (A4), R 1 is a Me group and n is 0 to 1; Ar is (A5), R1 is a chlorine atom; Ar is (A6) or (A7); Ar is (A8), R1 is a Me group, R is a linear or branched alkyl group having 4 to 8 carbon atoms, or 1 carbon atom The compound which is the C4-C8 cycloalkyl group which may be substituted by the -4 alkyl group, and the compound whose Q is a hydrogen atom.
[0015]
Particularly preferred compounds as component I of the present invention, in which Ar is (A1), R1 is CF 3 or Me group, R2 is Me group; a is Ar (A2), R1 is located at the CF 3 or CHF 2 , Q is a hydrogen atom, and R is a linear or branched alkyl group having 4 to 8 carbon atoms, or a cycloalkyl group having 4 to 8 carbon atoms which may be substituted with an alkyl group having 1 to 4 carbon atoms. A compound.
[0016]
The following are some specific examples of the compound represented by Component I.
Compound No. 1: N- {2- (1,3-dimethylbutyl) -3-thienyl} -2,4-dimethylthiazole-5-carboxylic acid amide [Q is a hydrogen atom and R is 1,3-dimethyl When it is a butyl group and Ar is A1 (R1 = Me, R2 = Me)]
Compound No. 2: N- {2- (1,3-dimethylbutyl) -3-thienyl} -3-trifluoromethyl-1-methylpyrazole-4-carboxylic acid amide [Q is a hydrogen atom, R is 1 a 3-dimethylbutyl group, when Ar is A2 (R1 = CF 3)]
Compound No. 3: N- {2- (1,3-dimethylbutyl) -3-thienyl} -2-methylfuran-3-carboxylic acid amide [Q is a hydrogen atom and R is a 1,3-dimethylbutyl group And Ar is A3 (R1 = Me, R2 = H)]
Compound No. 4: N- {2- (1,3-dimethylbutyl) -3-thienyl} -3-methylthiophene-2-carboxylic acid amide [Q is a hydrogen atom and R is a 1,3-dimethylbutyl group And Ar is A4 (R1 = Me, n = 0)]
Compound No. 5: N- {2- (1,3-dimethylbutyl) -3-thienyl} -2-chloronicotinic acid amide [Q is a hydrogen atom, R is a 1,3-dimethylbutyl group, Ar Is A6]
[0017]
The composition of the present invention is effective against the following types of plant diseases: rice blast ( Pyricularia oryzae ), blight ( Rhizoctonia solani ), sesame leaf blight ( Cochliobolus miyabeanus ), idiotic seedling ( Gibberella fujikuroi); wheat powdery mildew (Erysiphe graminis f.sp. hordei; f.sp. tritici ), rusts (Puccinia striiformis; P graminis;. P recondita;.. P hordei), Madarahabyo (Pyrenophora graminea ), net blotch disease (Pyrenophora teres ), red mold disease ( Gibberella zeae ), snow rot ( Typhula sp .; Micronectriella nivalis ), naked scab ( Ustilago tritic i; U. nuda ), maggot scab ( Tilletia caries) ), Eye spot disease ( Pseudocercosporella herpotrichoides ), strain rot ( Rhizoctonia cerealis ), cloud disease ( Rhynchosporium secalis ), leaf blight ( Septoria tritici ), blight ( Leptosphaeria nodorum ); green beans, cucumbers, tomatoes, strawberries, grapes , Gray mold (potato, soybean, cabbage, eggplant, lettuce, etc.) Botrytis cinerea ); grape downy mildew ( Plasmopora viticola ), rust ( Phakopsora ampelopsidis ), powdery mildew ( Uncinula necator ), black mildew ( Elsinoe ampelina ), late rot ( Glomerella cingulata ); apple powdery mildew ( Podosphaera leucotricha ), black spot disease ( Venturia inaequalis ), spotted leaf disease ( Alternaria mali ), red star disease ( Gymnosporangium yamadae ), moniliosis ( Sclerotinia mali ), rot ( Valsa mali ); pear black spot disease ( Alternaria kiku , scab (Venturia nashicola), gymnosporangium (Gymnosporangium haraeanum), early blight (Physalospora piricola); peach of Haiboshi disease (Sclerotinia cinerea), scab (Cladosporium carpophilum), Phomopsis rot (Phomopsis sp.); oysters of anthracnose (Gloeosporium kaki), deciduous disease (Cercospora kaki; Mycosphaerella nawae), powdery mildew (Phyllactinia kakikora); cucumber downy mildew (Pseudoperonospora cubensis), Cucurbitaceae of powdery mildew (Sphaerotheca fuliginea), Sumiso disease ( Colletotrichum lagenarium ), vine blight ( Mycosphaerella melonis ); tomato ring-rot ( Alternaria solani ), leaf mold ( Cladosporium fulvam ), plague ( Phytophthora infestans ); eggplant powdery mildew ( Erysiphe cichoracorum ) ( Mycovellosiella nattrassii ); Brassica black spot ( Alternaria japonica ), Vitiligo ( Cercosporella brassicae ); Green onion rust ( Puccinia allii ), Black spot ( Alternaria porri ); Soybean purple spot ( Cercospora kikukuchii ), Black scab ( Elsinoe glycinnes ), black spot ( Diaporthe phaseololum ); beans anthracnose ( Colletotrichum lindemuthianum ); groundnut black astringency ( Mycosphaerella personatum ); brown spot ( Cercospora arachidicola ); pea powdery mildew ( Ery pisi), downy mildew (Peronospora pisi); early blight of potatoes (Alternaria solani), black bruises disease (Rhizoctonia solani), late blight (Phytophthora infestans); broad bean of downy mildew (Peronospora viciae), disease (Phytophthora nicotianae); tea of the network have disease (Exobasidium reticulatum), white star disease (Elsinoe leucospila), anthracnose (Colletotrichum theae-sinensis); tobacco gymnosporangium (Alternaria longipes), powdery mildew (Erysiphe cichoracearum), charcoal Colletotrichum tabacum , plague ( Phytophthora parasitica ); brown spot of sugar beet ( Cercospora beticola ); black spot of rose ( Diplocarpon rosae ), powdery mildew ( Sphaerotheca pannosa ), plague ( Phytophthora megasperma ); Disease ( Septoria chrysanthemi - indici ), white rust ( Puccinia horiana ); strawberry powdery mildew ( Sphaerotheca humuli ), plague ( Phytophthora nicotianae ); kidney beans, cucumber, tomato, strawberry, grape, potato, soybean, cabbage, eggplant, Sclerotia disease such as lettuce (S clerotinia sclerotiorum ); Black spot disease of citrus ( Diaporthe citri ); Black leaf blight of carrot ( Alternaria dauci ) and the like. Among them, it has a synergistically enhanced effect on rice blast. Such a potentiating effect was not expected from the sum of the effects of the individual active ingredients.
[0018]
In the plant disease control composition of the present invention, the mixing ratio of the substituted thiophene derivative of component I and the compound of component II is not particularly limited, but the compound of component II is usually 0. It is in the range of 01-50 parts by weight, preferably 0.5-50 parts by weight, more preferably 0.5-30 parts by weight, and even more preferably 1-20 parts by weight.
[0019]
In the composition of the present invention, a mixture containing two kinds of active ingredients may be applied directly, or individual active ingredients may be applied simultaneously or separately. Further, the mixture containing the active ingredients may be diluted with a concentrated composition containing the two active ingredients with water, or prepared from two concentrates containing the individual active ingredients at the time of use, This may be diluted with water (tank mix method). When the composition of the present invention is used as a plant disease control agent, the active ingredient may be used as it is for the plant to be treated, but generally mixed with an inert liquid carrier, solid carrier, surfactant, It is used as powders, wettable powders, flowables, emulsions, granules and other commonly used forms of preparations that are commonly used preparation forms. Further, auxiliary agents can be added if necessary for the preparation.
[0020]
Carrier as used herein means a synthetic or natural inorganic or organic substance formulated to help the active ingredient reach the site to be treated and to facilitate the storage, transport and handling of the active ingredient compound. . As the carrier, any solid or liquid can be used as long as it is usually used for agricultural and horticultural chemicals, and it is not limited to a specific one.
[0021]
For example, solid carriers include clays such as montmorillonite and kaolinite; inorganic substances such as diatomaceous earth, white clay, talc, vermiculite, gypsum, calcium carbonate, silica gel, and ammonium sulfate; plant organics such as soybean flour, sawdust, and wheat flour Examples include substances and urea. In order to improve the physical properties, it is also possible to add highly dispersed silicic acid or highly dispersed absorbent polymers.
Examples of liquid carriers include aromatic hydrocarbons such as toluene, xylene and cumene; paraffinic hydrocarbons such as kerosene and mineral oil; ketones such as acetone, methyl ethyl ketone and cyclohexanone; ethers such as dioxane and diethylene glycol dimethyl ether; methanol, Examples include alcohols such as ethanol, propanol, and ethylene glycol; aprotic solvents such as dimethylformamide and dimethyl sulfoxide, and water.
[0022]
Furthermore, the following adjuvants can be added singly or in combination depending on the purpose in consideration of the dosage form of the preparation, application scene, and the like. Adjuvants include commonly used surfactants, binders (for example, lignin sulfonic acid, alginic acid, polyvinyl alcohol, gum arabic, sodium CMC, etc.), stabilizers (for example, phenolic compounds and thiols for antioxidant purposes). Compounds, higher fatty acid esters, etc., phosphates as pH adjusters, and sometimes light stabilizers) may be used alone or in combination as required. Further, in some cases, an industrial disinfectant, an antibacterial / antifungal agent, or the like may be added for antibacterial / antifungal purposes.
[0023]
The adjuvant will be described in more detail. Adjuvants include lignin sulfonates, alkylbenzene sulfonates, alkyl sulfate esters, polyoxyalkylene alkyl sulfates, polyoxyalkylene alkyl phosphate esters for purposes such as emulsification, dispersion, spreading, wetting, bonding, and stabilization. Anionic surfactants such as salts; polyoxyalkylene alkyl ether, polyoxyalkylene alkyl aryl ether, polyoxyalkylene alkyl amine, polyoxyalkylene alkyl amide, polyoxyalkylene alkyl amide, polyoxyalkylene alkyl thioether, polyoxyalkylene fatty acid Esters, glycerin fatty acid esters, sorbitan fatty acid esters, polyoxyalkylene sorbitan fatty acid esters, polyoxypropylene polyoxyethylene block polymers Nonionic surfactants; Lubricants such as calcium stearate and wax; Stabilizers such as isopropylhydrodiene phosphate; Sephaline or lecithin-based natural or synthetic phospholipids such as phosphatidylethanolamine, phosphatidylserine, phosphatidylglycerol, and lysolecithin; Examples include methyl cellulose, carboxymethyl cellulose, casein, and gum arabic. However, these components are not limited to the above.
[0024]
The content of the active ingredient composition in the composition of the present invention varies depending on the preparation form, but is usually 0.1 to 30% by weight for powders, 0.1 to 80% by weight for wettable powders, and 0.5 for granules. -20 wt%, emulsion 2-50 wt%, flowable formulation 1-50 wt%, dry flowable formulation 1-80 wt%, preferably 0.5-10 wt% powder, wettable powder 5 to 60% by weight, 5 to 20% by weight for emulsions, 5 to 50% by weight for flowable formulations and 5 to 50% by weight for dry flowable formulations.
The content of the adjuvant is 0 to 80% by weight, and the content of the carrier is an amount obtained by subtracting the content of the active ingredient compound and the adjuvant from 100% by weight.
[0025]
Examples of the application method of the composition of the present invention include seed treatment, foliage spraying, soil irrigation, water surface application, and the like, and any application method usually used by those skilled in the art exerts sufficient efficacy. The application rate and application concentration vary depending on the target crop, target disease, degree of disease occurrence, compound dosage form, application method and various environmental conditions, but when sprayed, the active ingredient amount is 50 to 1,000 g per hectare. Is suitable, preferably 100 to 500 g per hectare. When the wettable powder, flowable agent or emulsion is diluted with water and sprayed, the dilution ratio is suitably 200 to 20,000 times, preferably 500 to 5,000 times. In the case of seed disinfection, the amount of the fungicide mixture used is 0.001 to 50 g, preferably 0.01 to 10 g, per 1 kg of seed.
The composition of the present invention can be used in combination with other fungicides, insecticides, acaricides, nematicides, herbicides, plant growth regulators, and other agricultural chemicals, soil conditioners or fertilizers, Mixed preparations with these are also possible.
[0026]
Next, the present invention will be described in more detail with formulation examples and test examples. In addition, the part in a formulation example represents a weight part.
[0027]
【Example】
Formulation Example 1 (wettable powder)
Compound No. 1: 10 parts, tricyclazole: 10 parts, sodium lignin sulfonate: 10 parts, sodium alkylbenzenesulfonate: 20 parts and diatomaceous earth: 50 parts were mixed to obtain a wettable powder.
[0028]
Formulation Example 2 (wettable powder)
Compound No. 2: 20 parts, pyrokilone: 20 parts, calcium carbonate: 40 parts, Solpol 5039 (mixture of anionic surfactant and white carbon: Toho Chemical Co., Ltd.): 10 parts, white carbon: 10 parts uniformly The mixture was pulverized to obtain a wettable powder.
[0029]
Formulation Example 3 (Flowable)
Compound No. 1: 10 parts, SSF-126: 10 parts, propylene glycol: 3 parts, sodium lignin sulfonate: 2 parts, dioctyl sulfosuccinate sodium salt: 1 part, and water: 74 parts are wet-ground with a sand grinder. A flowable agent was obtained.
[0030]
Formulation Example 4 (Flowable)
Compound No. 4: 10 parts, brassine: 5 parts, polyoxyethylene sorbitan monooleate: 3 parts, carboxymethyl cellulose: 3 parts and water: 79 parts were wet-ground with a sand grinder to obtain a flowable agent.
[0031]
Formulation Example 5 (Granule)
Compound No. 1: 5 parts, tricyclazole: 5 parts, bentonite: 25 parts, talc: 62 parts, sodium lignin sulfonate: 2 parts, and sodium dodecylbenzene sulfonate: 1 part The mixture was uniformly kneaded, granulated with a basket granulator and then dried to obtain granules.
[0032]
Test Example 1 Rice blast control effect test (dispersion treatment)
Dilute wettable powder prepared according to Formulation Example 1 to a predetermined concentration (active ingredient concentration 200 ppm) to rice (variety: Mangetsumochi) grown in a pot in a greenhouse until 30 to 40 leaves until the second leaf stage, 50 ml was sprayed per 3 pots. After the drug solution is dried, conidia spore suspension (4 × 10 5 cells / ml) prepared from rice blast fungus cultivated on oatmeal medium is spray-inoculated on the whole rice and the temperature is 25 ° C. and the humidity is 95% or more. I kept it in an artificial weather room for 7 days. Seven days after the inoculation, the number of rice blast spots per five rice plants was examined according to the following index, and the control value was determined according to the following formula. The results are shown in Table 1 (Table 1).
[0033]
The average value of each treatment group and non-treatment group was taken as the disease severity.
Control value (%) = (1−Disease level in treated area / Disease level in untreated area) × 100
[0034]
[Table 1]
[0035]
Test example 2 Rice blast control effect test (water surface application)
Rice (variety: Mangetsumochi; 3-leaf stage) was transplanted into a Wagner pot of 1/5000 are and grown for 1 week in a greenhouse, and then the granules prepared according to Formulation Example 5 were applied to the surface. After 40 days of the drug treatment, the spore suspension was spray-inoculated, placed at a temperature of 25 ° C. and a high humidity for 1 week, the number of lesions was investigated, and the control value was calculated in the same manner as in Test Example 1. The results are shown in Table 2 (Table 2).
[0036]
[Table 2]
[0037]
【The invention's effect】
The present invention is a plant disease control agent composition comprising at least two active ingredients, and exhibits a synergistically enhanced effect on a wide range of plant diseases, particularly rice blast disease. Useful as a composition. By using the composition of the present invention, it is possible to effectively control diseases with an amount of active ingredient that is unexpectedly small compared to conventional methods.
Moreover, the composition of this invention shows the effect with respect to blight etc. besides the synergistic effect with respect to a rice blast.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| JP24939999A JP4090638B2 (en) | 1999-09-03 | 1999-09-03 | Plant disease control composition |
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| Application Number | Priority Date | Filing Date | Title |
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| JP24939999A JP4090638B2 (en) | 1999-09-03 | 1999-09-03 | Plant disease control composition |
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| JP4090638B2 true JP4090638B2 (en) | 2008-05-28 |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| ZA200702378B (en) * | 2004-09-27 | 2008-08-27 | Du Pont | Fungicidal mixtures of thlophene derivative |
| JP4630623B2 (en) * | 2004-10-04 | 2011-02-09 | クミアイ化学工業株式会社 | Agricultural / horticultural fungicide composition |
| AU2006211239B2 (en) | 2005-02-04 | 2011-04-07 | Mitsui Chemicals, Inc. | Composition for preventing plant diseases and method for preventing the diseases |
| JP2006213665A (en) * | 2005-02-04 | 2006-08-17 | Mitsui Chemicals Inc | Plant disease control composition and its control method |
| JP2006213664A (en) * | 2005-02-04 | 2006-08-17 | Mitsui Chemicals Inc | Plant disease control composition and its control method |
| DE102005015677A1 (en) * | 2005-04-06 | 2006-10-12 | Bayer Cropscience Ag | Synergistic fungicidal drug combinations |
| GB0507123D0 (en) * | 2005-04-08 | 2005-05-11 | Isis Innovation | Method |
| EP1909577A2 (en) * | 2005-07-21 | 2008-04-16 | Basf Se | Fungicidally active agent |
| CL2007003329A1 (en) | 2006-11-21 | 2008-03-24 | Mitsui Chemicals Inc | COMPOSITION FOR THE CONTROL OF DANE PRODUCED BY INSECTS AND DISEASES IN PLANTS THAT INCLUDES A PENTIOPIRAD COMPOUND AND AT LEAST A FUNGICIDE COMPOSITE DIFFERENT FROM PENTIOPIRAD; METHOD OF PLANT DISEASE CONTROL THAT INCLUDES TO APPLY |
| EP2580962A1 (en) | 2006-11-29 | 2013-04-17 | Mitsui Chemicals Agro, Inc. | Plant disease and insect damage control composition and plant disease and insect damage prevention method |
| CN110724136B (en) * | 2018-07-17 | 2023-02-17 | 沈阳中化农药化工研发有限公司 | Amide compound and preparation method and application thereof |
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