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JPS6140644B2 - - Google Patents
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JPS6140644B2 - - Google Patents

Info

Publication number
JPS6140644B2
JPS6140644B2 JP4381184A JP4381184A JPS6140644B2 JP S6140644 B2 JPS6140644 B2 JP S6140644B2 JP 4381184 A JP4381184 A JP 4381184A JP 4381184 A JP4381184 A JP 4381184A JP S6140644 B2 JPS6140644 B2 JP S6140644B2
Authority
JP
Japan
Prior art keywords
tea
lime nitrogen
leaves
buds
aqueous solution
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
JP4381184A
Other languages
Japanese (ja)
Other versions
JPS60190702A (en
Inventor
Isamu Fukazawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to JP4381184A priority Critical patent/JPS60190702A/en
Publication of JPS60190702A publication Critical patent/JPS60190702A/en
Publication of JPS6140644B2 publication Critical patent/JPS6140644B2/ja
Granted legal-status Critical Current

Links

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  • Cultivation Of Plants (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Description

【発明の詳細な説明】[Detailed description of the invention]

茶樹は収穫期が終わり冬季になると形成された
芽が休眠状態となり、一定の低温期間経過後春に
発芽し新葉が形成される。お茶はこの春に新しく
芽生える新葉を摘み取つて製茶し、飲用に供する
ものである。 しかし、この芽の自発休眠の終了を待ち発芽に
より形成された新葉を摘み取るという従来の茶の
栽培方法においては、発芽し新葉が形成される時
期と越冬した古葉および枝等に付着したアブラ
虫、ダニ等の害虫の卵がふ化するサイクルとが一
致するため、発芽し生長途中にある新芽がこの害
虫に犯され易く、また、4月〜5月始め頃降る霜
により抵抗力のない発芽したばかりの新芽が傷め
られ易いという問題がある。さらに、新葉を摘み
取る際に越冬した古葉も混入するおそれが多分に
あるものであるが、前記害虫の駆除と製茶に当た
り花、実をとらないで新しく伸びる葉のみを必要
とするため消毒液の散布を頻繁に行なわなければ
ならず、そのため越冬した古葉には前記栽培中に
散布した消毒液が蓄積している可能性が大であ
る。そして、お茶は他の果菜類と異なり水等によ
り洗滌することなくそのまま湯をそそいで飲用に
供されるものであるから、混入した古葉に蓄積さ
れている消毒液が人体に及ぼす影響も問題とな
る。 本発明は、前記従来の茶の栽培方法が有してい
る難点を解消するとともに、収穫量の増大も図り
得る茶の栽培方法を提供することを目的とし、所
定濃度の石灰窒素浸出上澄液もしくはシアナミド
水溶液を収穫期終了後冬季に茶樹に対して散布す
ることを特徴とする。 しかして、石灰窒素は、農薬或いは肥料として
使用されており、殺草、殺菌、殺虫効果を有して
いる。また、石灰窒素の浸出上澄液をぶどう樹に
処理することにより、ぶどうの芽の自発休眠の中
断と発芽促進が図られることが知られている。芽
の休眠は一定温度の低温を一定期間受けることに
よつて終了するが、石灰窒素の浸出上澄液はこの
芽の休眠終了に必要な低温要求量を減少させる作
用があるといわれている。そして、シアナミド
(H2NCN)は石灰窒素を酸で処理することによつ
て合成されるものであるから、石灰窒素の浸出上
澄液と同様の性質を有している。 本発明は、この石灰窒素の浸出上澄液およびシ
アナミド水溶液の性質に着目し、前述の従来の茶
の栽培方法の有している課題を解決し栽培方法の
改善を試みたものである。 次に本発明の実施例を説明する。 〔実施例 1〕 (原液の作成) 石灰窒素の粉末40Kgを200の水で溶解し、30
〜35℃で2時間撹拌し、2時間放置した後の上澄
液を採取する(石灰窒素の濃度20%)。 この石灰窒素の浸出上澄液中に含有される成分
分析参考例は別表1のとおりである。
When the harvest season ends and winter begins, the buds formed on tea plants go dormant, and after a certain period of low temperature, they germinate and new leaves form in the spring. Tea is made by picking the new leaves that sprout this spring, making tea, and making it available for drinking. However, in the conventional tea cultivation method of waiting for the spontaneous dormancy of the buds to end and picking the new leaves formed by germination, there is a difference between the time when new leaves germinate and the time when new leaves are formed, and the time when old leaves and branches that have overwintered are removed. Because the cycle coincides with the hatching of eggs of pests such as oilseed insects and mites, new shoots that are germinating and growing are easily attacked by these pests, and the frost that falls from April to the beginning of May causes the germination to become less resistant. There is a problem that freshly sprouted shoots are easily damaged. Furthermore, when picking new leaves, there is a high possibility that old leaves that have overwintered may be mixed in, but since only the newly growing leaves are needed for exterminating the pests and making tea without removing flowers or fruit, disinfectants are used. must be sprayed frequently, and therefore there is a high possibility that the disinfectant sprayed during the cultivation has accumulated on old leaves that have overwintered. Also, unlike other fruits and vegetables, tea is consumed by pouring hot water over it without washing it with water, so the effect of disinfectant accumulated in contaminated old leaves on the human body is also a problem. becomes. An object of the present invention is to provide a tea cultivation method that can solve the drawbacks of the conventional tea cultivation methods and also increase the yield. Alternatively, it is characterized by spraying a cyanamide aqueous solution on tea plants in winter after the end of the harvest period. Lime nitrogen is used as a pesticide or fertilizer, and has herbicidal, bactericidal, and insecticidal effects. It is also known that by treating vines with lime nitrogen leaching supernatant, it is possible to interrupt the spontaneous dormancy of grape buds and promote germination. The dormancy of buds is terminated by exposure to low temperature for a certain period of time, and the lime nitrogen leaching supernatant liquid is said to have the effect of reducing the amount of low temperature required to terminate dormancy of buds. Since cyanamide (H 2 NCN) is synthesized by treating lime nitrogen with an acid, it has properties similar to those of the lime nitrogen leaching supernatant. The present invention focuses on the properties of the lime nitrogen leaching supernatant liquid and the cyanamide aqueous solution, and attempts to solve the problems of the conventional tea cultivation method described above and improve the cultivation method. Next, examples of the present invention will be described. [Example 1] (Preparation of stock solution) Dissolve 40kg of lime nitrogen powder in 200ml of water,
Stir at ~35°C for 2 hours and collect the supernatant after standing for 2 hours (lime nitrogen concentration 20%). A reference example of the analysis of the components contained in the lime nitrogen leaching supernatant is shown in Attached Table 1.

〔実施例 2〕[Example 2]

(原 液) シアナミド水溶液(商品名C―13)を用いる
(シアナミドの濃度13.9%)。このシアノミド水溶
液中に含有される成分分析参考例は別表2のとお
りである。
(Standard solution) Use a cyanamide aqueous solution (trade name C-13) (cyanamide concentration 13.9%). A reference example of the analysis of the components contained in this cyanamide aqueous solution is shown in Attached Table 2.

【表】 (処理方法) 前記原液(シアナミド水溶液)を約5〜10数倍
に希釈し、茶の収穫期終了後冬季(12月〜1月)
に茶樹に散布する。 (処理の結果) 無処理の茶樹に対して、古葉は落葉し、芽の自
発休眠が中断され発芽成長が約1週間〜2週間早
まつた。 本発明は叙上のように、所定濃度の石灰窒素浸
出上澄液もしくはシアナミド水溶液を収穫期終了
後冬季に茶樹に対して散布処理することにより茶
の栽培をなすようにしたので、従来の茶の栽培方
法の有している難点を解消し、次の効果を奏す
る。 即ち、先ず第1に、石灰窒素の浸出上澄液およ
びシアナミド水溶液の有する殺草、殺虫、殺菌効
果により、古葉が落葉しそれに伴つて古葉に付着
しているアブラ虫、ダニ等の害虫の卵が除去され
る。したがつて、害虫の発生を極力押さえること
ができ、従来と異なり、発芽し成長途中にある新
芽が害虫により犯されるおそれを防止することが
できる。第2に、古葉が落葉することにより、前
期栽培中に古葉に蓄積されていた消毒液の人体に
及ぼす悪影響を防止することができ、茶の飲用上
好適である。第3に、石灰窒素の浸出上澄液およ
びシアナミド水溶液の有する芽の休眠中断と発芽
促進の効果により、芽の自発休眠を中断させ発芽
成長を従来に比して約1週間〜2週間早めること
ができ、その結果発芽成長の時期を害虫発生のサ
イクルよりずらせることができ前記古葉を落葉さ
せることにる害虫の卵の除去と相まつて発芽し成
長途中にある新芽に対する害虫の及ぼす悪影響を
一層防止することができる。第4に、芽の自発休
眠を中断させ発芽成長を促進させることによつ
て、4月〜5月始め頃における発芽したばかりの
新芽に対する霜害を防止することができる。第5
に、芽の自発休眠を中断させ発芽成長を促進する
ことによつて、収穫の時期を早めることができ、
可及的に茶の収穫量の増大を図ることができる。
[Table] (Processing method) Dilute the above stock solution (cyanamide aqueous solution) approximately 5 to 10 times and use it in the winter season (December to January) after the end of the tea harvest period.
Spray on tea plants. (Results of treatment) Old leaves fell off, spontaneous dormancy of buds was interrupted, and germination and growth were accelerated by about 1 to 2 weeks compared to untreated tea plants. As described above, the present invention allows tea cultivation to be carried out by spraying lime nitrogen leaching supernatant liquid or cyanamide aqueous solution of a predetermined concentration on tea plants in the winter after the harvest period. This method overcomes the drawbacks of the cultivation method and provides the following effects. That is, first of all, the herbicidal, insecticidal, and bactericidal effects of the lime nitrogen leaching supernatant liquid and the cyanamide aqueous solution cause the old leaves to fall, and as a result, pests such as aphids and mites attached to the old leaves are eliminated. eggs are removed. Therefore, the occurrence of pests can be suppressed as much as possible, and unlike the conventional method, it is possible to prevent the possibility that new shoots that have sprouted and are in the process of growing will be attacked by pests. Second, as the old leaves fall, it is possible to prevent the harmful effects of the disinfectant that had accumulated on the old leaves during the previous cultivation period on the human body, which is suitable for drinking tea. Thirdly, due to the effects of the lime nitrogen leaching supernatant and cyanamide aqueous solution on bud dormancy interruption and germination promotion, the spontaneous dormancy of buds is interrupted and germination growth is accelerated by about 1 to 2 weeks compared to conventional methods. As a result, the timing of germination and growth can be shifted from the cycle of pest emergence, and in conjunction with the removal of pest eggs by causing the old leaves to fall, the harmful effects of pests on new shoots that are germinating and growing can be reduced. This can be further prevented. Fourthly, by interrupting the spontaneous dormancy of buds and promoting germination and growth, frost damage to newly germinated buds in April to early May can be prevented. Fifth
In addition, by interrupting the spontaneous dormancy of the buds and promoting germination growth, the time for harvest can be brought forward.
It is possible to increase the yield of tea as much as possible.

Claims (1)

【特許請求の範囲】[Claims] 1 所定濃度の石灰窒素浸出上澄液もしくはシア
ナミド水溶液を収穫期終了後冬季に茶樹に対して
散布することを特徴とする茶の栽培方法。
1. A tea cultivation method characterized by spraying a lime nitrogen leaching supernatant liquid or a cyanamide aqueous solution of a predetermined concentration on tea plants in the winter after the end of the harvest period.
JP4381184A 1984-03-09 1984-03-09 Cultivation of tea Granted JPS60190702A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4381184A JPS60190702A (en) 1984-03-09 1984-03-09 Cultivation of tea

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4381184A JPS60190702A (en) 1984-03-09 1984-03-09 Cultivation of tea

Publications (2)

Publication Number Publication Date
JPS60190702A JPS60190702A (en) 1985-09-28
JPS6140644B2 true JPS6140644B2 (en) 1986-09-10

Family

ID=12674123

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4381184A Granted JPS60190702A (en) 1984-03-09 1984-03-09 Cultivation of tea

Country Status (1)

Country Link
JP (1) JPS60190702A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7818915B1 (en) * 2004-03-05 2010-10-26 The State Of Israel, Ministry Of Agriculture & Rural Development Agricultural Research Organization, Volcani Center Culture of edible figs
DOP2006000275A (en) * 2005-12-07 2007-08-31 Univ Chile WATER AND / OR ETHANOLIC COMPOSITION OF AN AMONIACAL SOLUTION OF SALTS OF ALKALINE METALS OF AZIDA, MAINLY SODIUM AND POTASSIUM
JP2015033366A (en) * 2013-08-09 2015-02-19 シャープ株式会社 Tea tree raising method and tea tree raising device
CN103749120B (en) * 2013-12-30 2016-04-27 黄山市洪通农业科技有限公司 Improve the method for soil fertility of mountain tea garden

Also Published As

Publication number Publication date
JPS60190702A (en) 1985-09-28

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