JPS6033803B2 - How to avoid gastropods - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for repelling gastropods (slugs, snails, snails, etc.) using electrolyte salts.

Traditionally, methods to repel gastropods include plates made of copper or its alloys,
Special Publication 1977-367 placing wire, foil, etc. in the path of gastropods
55, the method disclosed in Utility Model Publication No. 54-9474,
There was a method proposed in Jitsoseki No. 54-104656, in which two metal plates with different contact potentials were attached side by side.

However, metal plates, wires, foils, etc. are sometimes inconvenient to shape and attach. The present invention has discovered that easily available electrolyte salts have the effect of repelling gastropods, and using this repellent, it is easy to handle, that is, easy to form, easy to install, and is water resistant after installation. To provide a method for repelling gastropods that can be used in any place and has a long-lasting effect.

The structure of the present invention consists of bonding powders of electrolyte salts with rubber or plastic to form a film-like aggregate, and laying this film-like aggregate at a location where entry is prohibited.

In the present invention, electrolyte salts are powdered, a solution of rubber or plastic dissolved in an organic solvent is added to form a dispersion, and the dispersion is spread using an appropriate method such as a brush, spatula, or knife coater to areas where the entry of gastropods is to be prevented. wear it.

When this is dried, the electrolyte salt powder is bonded with rubber or plastic as a binder to form a membrane-like aggregate, which is then adhered and placed immediately below a location where intrusion is to be avoided.
As the rubber or plastic, those generally used as adhesives and pressure-sensitive adhesives are preferred. The amount of the binder to be used should be such that the electrolyte salts do not collapse as a membrane-like aggregate, and should be adjusted as appropriate. Usually, the amount is about 5-2% by weight based on the electrolyte salt. Membrane-like aggregates of electrolyte salts are laid in a strip shape at positions that prevent gastropods from entering and obstruct their path. If the width of this band-like shape is too narrow, it will not be a problem for a snail, for example, but the slug will touch the ground with its head and tail and raise its abdomen in an arch shape to get over the bedding band. 1- from the body length
Set it to 2 arcs less, for example 3 arcs. The amount of the laying belt to be laid does not need to be particularly specified, but generally the solid content after drying is about 0.02 - 0.06 tano. The amount of laying below is expressed by the solid weight after drying. Rubber or plastic as a binder is water resistant, so when used outdoors, the aggregates will not collapse due to rainwater, etc. However, since the surface of the electrolyte salt is slightly soluble in rainwater, etc., the binder should not be used outdoors. The amount of 10-30% by weight or more, the amount of laying is 0
．． 04-08 evening/It is more certain to see carp or more. Film-like aggregates of electrolyte salts can be laid directly on dirt floors, buildings, equipment, trees, etc. in the path of gastropods, or
Alternatively, a repellent sheet is prepared by spreading the repellent sheet in advance as a film-like aggregate on paper, cloth, plastic, or other sheet substrates with the same effect, and this sheet is placed on the path of gastropods and spread indirectly. A repellent sheet is more convenient to carry and handle, and if it is formed into a long sheet, it has the advantage of being able to be cut out and used as needed. If a flexible binder such as rubber is used, it can be bent and rolled up. The electrolyte salts of the present invention include:
Simple salts of sodium, magnesium, calcium, aluminum, iron, copper, zinc, tin, lead, ammonium groups, etc.
Double salts or complex salts can be used.

The repellent effect of electrolyte salts on gastropods was discovered and confirmed by the following experiment, in which powder of electrolyte salts was dispersed in a toluene solution of natural rubber to form a paste-like dispersion (
(The amount of rubber is % by weight of salts), and apply this on a piece of cardboard with a brush, leaving a space of 15 mm square and drawing a frame 3 squares wide around it (the amount of rubber applied is 0.04 square meters). After drying, I put two slugs in the frame, placed many slices of slugs in the frame, darkened the whole thing, and left it for one hour while observing it from time to time, and both slugs remained in the frame. It was determined that electrolytes have a repellent effect. When a slug touches the frame using electrolyte salts that have a repellent effect, it shrinks its body, moves away from the frame, turns around, and repeats the behavior of touching the frame again and moving away.
It never goes out of bounds. If the slug has a particularly strong repellent effect, it will shrink its body as soon as it touches the frame, and will not be able to move away from the frame and stretch its body easily. Preliminary experiments have revealed that the repellent effect of electrolyte salts is more effective against snails and snails than against slugs.
The electrolyte salts used in the above experiment were sodium chloride,
Sodium sulfate, sodium carbonate, trisodium phosphate,
Alkali metal single salts such as sodium silicate, sodium borate, sodium thiosulfate, sodium oleate, sodium polyacrylate, potassium chloride, dipotassium phosphate, alkali metal salts such as potassium sodium tartrate, ammonium sulfate, ammonium carbonate, Ammonium salts such as ammonium chloride and ammonium acetate, tin salts such as stannous chloride and tin chloride, alkali metal salts such as magnesium chloride, magnesium sulfate, magnesium acetate, calcium chloride, and calcium nitrate, and aluminum sulfate. , potassium aluminum sulfate (potassium sulfate), ammonium aluminum sulfate (ammonium sulfate), and other ammonium monosalts and enoki salts, and steels such as copper chloride, copper sulfate, zinc chloride, zinc sulfate, lead acetate, and ferric chloride. salts, zinc salts, lead salts, iron salts, and alkali chain salts such as disodium ethylenediaminetetraacetic acid, all of which have been found to have a repellent effect on gastropods. Among them, chlorides of alkali metals and tin, such as sodium chloride, potassium chloride, stannous chloride, and tin chloride, showed a strong repellent effect.
Other alkali metal salts, ammonium salts, aluminum salts, and iron salts also showed excellent effects. Example 1 Thirty slugs are placed in a plastic container with 40 antennae and a height of 30 arcs.

Fill two ceramic pots with a diameter of 10 feet and a height of 6 feet with many slices of cucumber. Dissolve 100 parts of natural rubber in 1,400 parts of toluene, add 160 parts of the above rubber solution to 100 parts of 200 mesh potassium chloride powder to make a paste-like dispersion, and apply this to the lower circumferential surface of one pot in a width of 3 arcs. A sample of the present invention was coated in a headband shape, and the amount of laying was 0.03 days per unit), and the other pot was placed as a control sample in a plastic container and the whole was darkened. Each sample was observed five times at two hour intervals.

Slugs swarmed in the control sample every time we observed them, but there were no slugs in the samples of the present invention. Example 2
In the same manner as in Example 1, except that ammonium carbonate powder was used instead of potassium chloride powder, 30 snails were placed in a container and left in the dark.

Each sample was observed five times every two hours, and each time no snails were found in the sample of the invention, and snails were found in the control sample.

Example 3 In the same manner as in Example 1, except that sodium sulfate powder was used instead of potassium chloride powder, 30 Usukawamaimai were placed in a container, and the whole was left in the dark.

When the samples were observed 5 times every 2 hours, it was found that although there were Usukawa snails in the control sample, not a single one was present in the sample of the present invention.

Example 4 150 mesh potassium sodium tartrate powder 100
Add a 7% by weight toluene solution of sawn natural rubber for 150 minutes to make a paste-like dispersion, and apply it to a paper tape with a width of 3 arcs (laying amount 0.
04 evening/earth) and dry to create a repellent sheet.

On the bottom of a plastic container with a diameter of 40 degrees and a height of 30 degrees,
The repellent sheet is pasted with double-sided adhesive tape onto a square frame with the application side facing upward.

Ten slugs are placed in this frame, and many pieces of ripe persimmons are scattered outside the frame, and the whole is left in the dark. The inside of the container was observed 10 times every hour and the number of slugs within the frame was told, but no one ever left the repellent sheet frame.

Example 5 A dispersion of 100% stannous chloride powder and 8% by weight toluene solution of natural rubber was applied onto a vinyl chloride sheet (amount of 0.06 mm/base) and dried to a width of 3 skins. Cut it and use it as a repellent sheet.

This was wrapped and fixed around the outer circumferential surface of a flower pot in which chrysanthemums had been planted, and a control sample with no repellent sheet wrapped around it was placed side by side outdoors. One week later, the control samples were found to be infested with snails and slugs, and the chrysanthemums were damaged, but these gastropods were not observed in the samples wrapped with the repellent sheet.
No feeding damage was observed.

Furthermore, even after one month had passed, the repellent sheet withstood water and rainfall and retained its gastropod repellent effect. The present invention includes sodium,
potassium, magnesium, calcium, aluminum,
It was discovered that simple salts, pure salts, or complex salts of iron, iron, zinc, lead, ammonium groups, etc. have the effect of repelling gastropods, and they were made into powder and combined with rubber or plastic as a binder, so they were laid. It can be easily installed in any place or shape of equipment, and since the rubber or plastic is water resistant, the electrolyte salt aggregates will not disintegrate due to rainwater, etc., making it durable even outdoors. .

Claims (1)

[Claims] 1. A gastropod, characterized in that powder of electrolyte salts is bonded with rubber or plastic to form a membrane-like aggregate, and the membrane-like aggregate is laid in a position where entry should be avoided. Avoidance method. 2. The method for repelling gastropods according to claim 1, wherein the membrane-like aggregate is directly laid at a position where entry is to be avoided by being glued directly below it. 3. Gastropods that are indirectly laid by placing membrane-like aggregates as a laminated sheet spread on paper, cloth, plastic, or other equivalent substrates in advance in locations where entry should be avoided. How to avoid it. 4. The gastropod according to claim 1, wherein the electrolyte salt is a single salt, double salt, or complex salt of sodium, potassium, magnesium, calcium, aluminum, iron, copper, zinc, tin, lead, or ammonium group. Avoidance method.