WO2015093696A1 - Snail control agent and control method therefor - Google Patents

Abstract

The present invention relates to an eco-friendly snail control agent composition and a control method therefor. In conventional chemical pesticides, there have been problems of resistance and residual toxicity in crops. In order to solve these problems, the present invention provides a control agent composition comprising: tea saponin, a camellia seed extract safe to man and beast, soil, and environment; and a copper compound. The control agent treatment according to the present invention provides a quick and excellent control effect due to a knockdown phenomenon of snails. In addition, the control composition according to the present invention provides a resistance-free control composition for controlling apple snails in a rice field and a simple apple-snail control method.

Description

Snail control agent and its control method

The present invention relates to an eco-friendly snail control agent and a control method, and more particularly, to control snails that damage by adding various crops, snails including tsaponin and copper, which are plant extracts, not conventional chemical pesticides. The present invention relates to a flow control agent composition and a control method thereof.

The snails add various crops such as vegetables, fruit trees, flowers, ginseng, etc., and control them in crop cultivation by directly adding leaves or fruits to reduce the commerciality, or invading other plant pathogens to the affected area. Necessary harmful animals. In Korea, shelled snails are silk snails, and shellless snails are wild snails.

To control such a snail until now mainly relied on chemical pesticides. Specifically, granules or various bait agents mainly containing metaaldehyde are developed and used domestically and internationally, and granules mainly containing methiocarb are also used as bait agents. However, bait agents based on these metaaldehydes or methiocarbs may also damage humans, pets, and wild birds, and it takes time for the snails to be attracted to these crops. There is a problem that the damage of the crop is increased due to the long time to add.

In addition, recently, the thunder, which was put into the paddy field for the control of weeds by the eco-friendly farming method, adds rice planted to the paddy field the following year after wintering. Only one item has been developed.

Accordingly, in order to solve the above problems, as a more environmentally friendly and safe method for controlling snails, 'composition for controlling plant harmful animals comprising plant extracts and plant harmful animals control method using the same (Korea Patent Registration No. 10-0852398)' As in the tea tree, camellia, garlic, ginger, mulberry tree extract of one of the harmful and saponin, catechin composition of a pest control has been developed.

In order to solve the above object, the present invention provides a composition for controlling snails including thisaponin (C ₅₇ H ₉₀ O ₂₆ ). Specifically, the composition for controlling snails is a composition for controlling snails further comprising a copper agent. Preferably the copper agent is a snail control composition, characterized in that any one or a mixture of bordeaux mixture, copper hydroxide, copper acetate, copper oxide, copper oxychloride, copper sulfate. More preferably, the copper agent is copper sulfate.

In detail, the composition for controlling snails may further include an additive. More specifically, the additive provides a composition for controlling snails, comprising an antifoaming agent or extender, or an antifoaming agent and an extender together.

 In one embodiment of the present invention, the tisaponin is a composition for controlling snails, characterized in that 20 to 40% by weight.

In another embodiment of the present invention, the copper agent is a composition for controlling snails, characterized in that 1 to 20% by weight.

In the present invention, the tisaponin is characterized in that it is extracted from Camellia seeds.

The present invention also provides a method for controlling snails, comprising the steps of preparing a composition for control containing tisaponin; and spraying the composition on a crop to which the snail or snail is being added. Specifically, after the step of preparing the composition for control, and before the spraying step is a snail control method further comprising the step of diluting to 500 times (volume ratio) to 1,000 times (volume ratio). More specifically, after the first spraying of the composition for controlling the control, the snail control method characterized in that the second spraying after 1 to 7 days have elapsed.

Preferably, the present invention provides a method for controlling snails, further comprising diluting 50,000 (volume ratio) to 200,000 times (volume ratio) after the step of preparing the control composition and before the spraying step. In addition, it is a snail control method characterized in that it is applied to rice fields. More preferably in the method of controlling snails, characterized in that applied to the rice paddy, characterized in that the snail is a king snail.

The control composition provided by the present invention is a mixed composition of a camellia seed extract, tisaponin and copper, which has no toxic toxicity, and directly sprays or dilutes and acts directly on the fungus, thereby reducing damage to crops. It can be effected.

In addition, it provides a repellent effect for a certain period of time to reduce the cost of control, and provides a short time snail control and control method to knock down in the crops that are rapidly contracted, contracted when the contact with the carcasses.

In particular, it provides an environmentally friendly control and control method of the king Snail in the paddy field for weed control.

1 is a graph showing silkworm larvae according to time after treatment of silkworm snails in Examples 1 to 3

2 is a graph of the number of livestock insects according to the time and dilution factor after the treatment of Example 1 and Example 2

3 is a graph showing the number of livestock livestock according to the time and dilution rate after the treatment of the homer

Hereinafter, preferred embodiments of the present invention are provided to aid in understanding the present invention. However, the following examples are merely provided to more easily understand the present invention, and the contents of the present invention are not limited by the examples.

The present invention provides a composition for controlling snails, including tisaponin (C ₅₇ H ₉₀ O ₂₆ ). Tissaponin is a generic term for saponin components obtained from tea seed, and has appropriate foaming power and surfactant activity. In addition, it is a nonionic surfactant that is free of environmental pollution, is used in various industrial fields such as pesticides, construction, and textiles, and is used for controlling snails in paddy fields and earthworm control in golf courses.

Tisaponin according to the present invention can be extracted and used from Camellia seeds. Camellia is an evergreen tree belonging to the Tea Tree family of the dicotyledonous plant and is used for edible oil.

Although not shown in a specific embodiment of the present invention, thisaponin (C ₅₇ H ₉₀ O ₂₆ ) is extracted by adding ethanol dilution water to the camellia seed under reflux extraction, filtering the resultant with a filter paper, and vacuum-concentrating it. It can be prepared by lyophilization.

It is preferable that the content of the tisaponin according to an embodiment of the present invention is contained in an amount of 20 to 40% by weight based on the whole composition.

If the content of the thisaponin is less than 20% by weight, the control effect on the snail is less than the currently available snail control agent can not take the role of the expected control agent, if it exceeds 40% by weight It may not be desirable in view.

The content of the thisaponin can be appropriately adjusted in consideration of the type of crop, growth degree, cropland environment, viable insects inflicting crops within the above range.

In addition, the present invention provides a composition for controlling the snail control comprising a thisaponin further comprises a copper agent. The copper may be any one of Bordeaux mixture, copper hydroxide, copper acetate, copper oxide, cuprous oxide, copper oxychloride, copper sulfate, or Mixtures thereof.

Bordeaux mixture is a mixture of copper sulfate and lime and is effective for controlling diseases of various crops. Bordeaux admixtures are sprayed in advance to prevent infection before pathogens, forming a thin film on the surface of the plant and preventing the invasion of pathogens.

Copper acetate (Cu (CH ₃ COO), Cu (CH ₃ COO) ₂ ) is also called copper acetate, and precipitates monohydrate in a solution of copper (I) or basic copper carbonate dissolved in acetic acid, which is 100 to 105 It can be obtained as anhydrous salt by dehydration in vacuo at ° C.

Copper hydroxide (Cu (OH) ₂ ), copper oxide (Cu ₂ O, CuO), copper oxychloride (3Cu (OH) 2 CuClH 2 O, Cu ₂ OCl ₂ ) is nonvolatile copper and can be used as a plant disease control agent. .

Copper sulfate (Cu ₂ SO ₄ , CuSO ₄ ) is a copper sulfate, which is a compound of copper oxides I and II. In addition, crystals were formed with five water molecules to form a form of CuSO ₄ 5H ₂ O. Copper sulfate used in the composition for controlling according to an embodiment of the present invention is CuSO ₄ 5H ₂ O.

Such a copper agent is a substance which the snail avoids when it touches the carcass of the snail, and in the present invention, the copper snail or the snail is sprayed on the crop to which the snail is applied to knock down. In an embodiment of the present invention, the falling of the snail from the crop is called a knock-down effect. Due to this effect, it is possible to obtain a control effect to shorten the time that the snail is added to the crop.

The content of the copper according to an embodiment of the present invention is preferably contained in an amount of 1 to 20% by weight based on the entire composition.

If the copper content is less than 1% by weight, the knockdown effect of the snail is insignificant, and if it exceeds 20% by weight, it may be undesirable in terms of cost and may adversely affect crops, soils, etc., which is preferable as an environmentally friendly control agent. Not.

In the case of manufacturing and formulating a control composition prepared according to an embodiment of the present invention, it is possible to prepare a hydrating agent, a granulating hydrating agent, a liquid hydrating agent and various other suspensions. When formulating the composition for the control according to the present invention, in addition to the main components such as tisaponin, copper sulfate, which shows the efficacy of the auxiliary components for the stabilization or increase of the product, such as adhesives, thickeners, preservatives, antifoams, cryoprotectants, dyes, pigments, water Liquid carriers such as the like, and the like.

In one embodiment of the present invention, extenders and antifoams were used as any other inert ingredients known in the art.

The extender is an agent used in order to thin the concentration or to improve physical properties when an active ingredient such as pesticide is used as a powder or a hydrating agent in the art, also called a diluent. Water can be used as extender for final content control.

Defoamers are used to control the crop's foliage and to prevent aggregation between particles.

Example. Preparation of Control Composition

Example 1 Preparation of Sample 1

Tisaponin (C ₅₇ H ₉₀ O ₂₆ ), which is a camellia seed extract, was prepared.

Tisaponin was prepared to be 30 wt% of the total composition and water was 49.5 wt% of the total composition, followed by stirring and mixing.

The snail control composition was prepared such that the mixture containing tisaponin contained 0.5 wt% of defoaming agent and 20 wt% of extender.

Example 2: Preparation of Sample 2

Tisaponin, a camellia seed extract, was prepared by mixing 24 wt% of the total composition, copper sulfate (CuSO ₄ 5H ₂ O) to 10 wt% of the total composition, and water to 49.5 wt% of the total composition.

The snail control composition was prepared such that the mixture containing tisaponin and copper sulfate contained 0.5 wt% of antifoaming agent and 16 wt% of extender.

Example 3: Preparation of Sample 3

Tisaponin, a camellia seed extract, was prepared by mixing 30 wt% of the total composition, 5wt% of the total composition of copper sulfate (CuSO ₄ 5H ₂ O), and water to 44.5 wt% of the total composition, followed by stirring.

The snail control composition was prepared such that the mixture containing tisaponin and copper sulfate contained 0.5 wt% of defoaming agent and 20 wt% of extender.

Table 1 shows the composition component ratios of Examples 1 to 3 which are one embodiment of the present invention. Specific preparation examples of the composition for controlling according to the embodiment is as follows. Other in the component ratio of Table 1 shows the antifoamer and the extender of the said Example.

Table 1

Sample Number	Composition component ratio (% by weight)
	Tissaponin	CuSO 4 5H 2 O	water	Other	Sum
One	30	0	49.5	20.5	100
2	24	10	49.5	16.5	100
3	30	5	44.5	20.5	100

Comparative example

In order to confirm the control effect of Examples 1 to 3 prepared according to an embodiment of the present invention, the control effect of the present invention was tested using the following comparative agents as a control.

Comparative Example 1

Comparative Example 1 is currently available on the market. Dalyong is an eco-friendly control agent for vegetables, flowers, and fruit trees.

Comparative Example 2

Comparative Example 2 is Aifa insecticide No. 2 currently on the market. Aifa Insect No. 2 is a plant protection agent for gardens, which contains a complex of plant extracts whose main ingredient is saponin.

Comparative Example 3

Comparative Example 3 is a commercially available sequin. Sesame is an agent for controlling snails, earthworms, puppies, and ants. It is an eco-friendly plant supplement that contains a mixture of seed extracts of wild plants, various chelated trace elements, and potentiators.

<Comparative Example 4>

Comparative Example 4 is a currently marketed passal top star.

Comparative Example 5

Comparative Example 5 is an untreated control.

Evaluation 1. Confirmation of the control effect of snails by the treatment composition for the control

The present invention also provides a snail control method comprising the step of preparing a control composition comprising a thisaponin and spraying the control composition to the crop to which snails or snails are added.

In order to confirm the control effect on the snails of Examples 1 to 3 prepared according to the above example, each sample was diluted 500 times in water, collected in a cabbage field, and charged into silk snails, which were purified in a laboratory for 3 days. Spray sprayed to evenly spray the chemical liquid. After 2 hours, 4 hours, 8 hours, 12 hours, and 24 hours after spraying the drug, the remaining snails were confirmed.

The results for the control effect are shown in Table 2 below.

TABLE 2

Treatment	Dilution factor	Livestock after drug treatment
		2 hours later	4 hours later	8 hours later	12 hours later	24 hours later
Example 1	500	6	3	One	One	0
Example 2	500	2	2	0	0	0
Example 3	500	One	0	0	0	0
Comparative Example 1	500	10	10	10	10	4
Comparative Example 2	200	10	10	10	10	10
Comparative Example 3	600	10	8	8	8	6
Comparative Example 4	500	10	10	10	10	6
Comparative Example 5	-	10	10	10	10	10

[Table 2] shows the control effect after one-time drug treatment for silk snails between Examples 1 to 3 according to one embodiment of the present invention and snail control agents currently on the market.

As shown in Table 2, Examples 1 to 3 showed a complete control effect after 12 hours after the first drug treatment, but other commercial snail control agents that are currently on the market did not have sufficient control effects even after 24 hours. .

Control effects of Examples 1 to 3 can be clearly seen through FIG. In particular, as shown in Figure 1 Example 2 and Example 3 containing copper sulfate showed an excellent control effect compared to Example 1 2 hours after the first drug treatment. In particular, in Example 3, it showed a complete control effect only 4 hours after drug treatment.

In the embodiment of the present invention, the control composition was used by diluting 500 times (volume ratio), but the control composition may be diluted by a volume ratio of 500 times to 1,000 times. Although not shown in the table, the control effect was 90% or more even at 1,000-fold dilution factor.

Dilution fold according to an embodiment of the present invention seems to be economically and environmentally friendly appropriate dilution fold more than 500 times when considering the low production cost and product purchase cost of the control agent and excellent control effect. In addition, when diluted to a concentration higher than 1,000 times, compared to the control group showed the same or poor control effect.

TABLE 3

Treatment	Dilution factor	After 24 hours of treatment twice a day
Example 1	500	0
Example 2	500	0
Example 3	500	0
Comparative Example 1	500	2
Comparative Example 2	200	10
Comparative Example 3	600	6
Comparative Example 4	500	4
Comparative Example 5	-	10

The present invention also provides a method for controlling snails, characterized in that the second spray after 1 day to 7 days after the first spraying step.

[Table 3] shows the live insect water when 24 hours have elapsed after spraying the composition for controlling snails, Examples 1 to 3 according to one embodiment of the present invention, Examples 1 to 3 at a daily interval.

As a result, as shown in the above [Table 3], even after spraying the drug twice at a daily interval, when the livestock was examined after 24 hours, Examples 1 to 3 are other control drugs currently on the market. Compared to these showed excellent insecticidal effect.

Evaluation 2. Knock-down Effect by Treatment of Control Composition

For the snails attached to the leaves of the crops, an inclination angle of 80 ° was made to see how quickly the snails fall after the treatment, and the snails were placed there to confirm that they were securely attached.

Thereafter, using various commercially available snail control materials as a control group, after spraying and spraying directly to the snail filling Example 1 to Example 3 of the control composition, it was tested whether the snail falls over time. .

Table 4

Treatment	Throughput	The time when the knockdown effect is expressed after the treatment
		5 minutes	10 minutes	20 minutes
Example 1	500 times	No response	No response	No response
Example 2	500 times	Falling	-	-
Example 3	500 times	Falling	-	-
Comparative Example 1	500 times	No response	No response	No response
Comparative Example 2	500 times	No response	No response	No response
Comparative Example 3	500 times	No response	No response	No response
Comparative Example 4	500 times	No response	No response	No response

[Table 4] shows whether or not the snail falls (knock down) when the snail is treated with Examples 1 to 3 according to an embodiment of the present invention.

As shown in [Table 4], after the spray treatment of Example 2 and Example 3 directly to the snail carcass, the snail sharply collapsed and dropped to the floor within 5 minutes, the other comparative drug comparative example No signs of snail falling were observed until after 20 minutes.

According to one embodiment of the present invention, Examples 2 and 3 of the composition for the control was found to have a knockdown effect on the snail. This action was confirmed that the snails that are actually affecting the crops fall quickly from the crop, thereby reducing the damage caused by the crop damage.

The biggest difference between the compositions of Examples 1, 2 and 3 was the inclusion of copper, which suggests that copper sulfate is involved in the knockdown of snails in the treatments of Examples 2 and 3. Confirmed.

Evaluation 3. The effectiveness of rice paddy control by the treatment of the composition for control [1]

The present invention comprises the steps of preparing a composition for controlling tisaponin, the step of diluting the composition to 50,000 (volume ratio) to 200,000 (volume ratio) by adding water to the control composition and the snails or snails are added It provides a snail control method characterized in that the spraying the composition on the crop. Specifically, the step of spraying the control composition is characterized in that for applying the composition to the paddy field. More specifically, the snail is a king snail.

Using a pesticide registered as a control agent, iprobenfoss (Comparative Example 6) as a control group, in the control composition, Example 1 and Example 2 were placed in a freshwater depth 5 cm pot in the room, and the drug contained 50,000 After diluting each of the pear and 100,000-fold, and after treatment, the remaining living turtles were examined to confirm the control effect according to the present invention.

After the purchase, the thunder was purified and used for 3 days indoors. Fresh water was used after stagnating tap water for 24 hours indoors.

Table 5

Treatment	Throughput	Livestock after drug treatment
		1 day later	3 days later	7 days later
Example 1	50,000 times	10	8	2
Example 1	100,000 times	10	10	8
Example 2	50,000 times	10	7	0
Example 2	100,000 times	10	9	8
Comparative Example 6	4Kg / 10a	10	2	0
Comparative Example 5	-	10	10	10

[Table 5] shows the control effect on the king snake of the composition for controlling snails of Example 1 and Example 2 according to an embodiment of the present invention.

As shown in [Table 5] and FIG. 2, both Example 1 and Example 2 showed a poor control effect on the mudfish in the 100,000-fold dilution treatment, but Example 2 was the control agent at 7 days in the 50,000-fold treatment. It showed the same level of efficacy as Comparative Example 6, Example 1 also showed a control effect of more than 80% compared to Comparative Example 6 as a control agent, showing a sufficient effect as an environmentally friendly control agent.

Evaluation 4. The effect of rice paddy mudslide control by treatment composition for the control [2]

Based on the effects on the mudsnaps of Examples 1 and 2 in the composition for controlling, Example 3 was prepared to determine the control effect of Comparative Example 6 as a control.

In the indoor freshwater 5m port to put the king snail and the drug was diluted to 50,000 times, 100,000 times, 200,000 times, respectively, after the treatment of the remaining king worms confirmed the control effect according to the present invention.

After the purchase, the thunder was purified and used for 3 days indoors. Fresh water was used after stagnating tap water for 24 hours indoors.

Table 6

Treatment	Throughput	Livestock after drug treatment
		1 day later	3 days later	7 days later
Example 3	50,000 times	0	0	0
Example 3	100,000 times	One	0	0
Example 3	200,000 times	5	4	0
Comparative Example 6	4Kg / 10a	8	8	3
Comparative Example 5	-	10	9	9

[Table 6] shows the control effect on the king snake of the composition for controlling snails of Example 3 according to an embodiment of the present invention.

As shown in [Table 6], Example 3 showed a faster and better effect than the 50,000-fold and 100,000-fold treatment compared to the chemical pesticide control, and 200,000-fold treatment also showed an excellent effect than the control. Therefore, for the control of the King Snail, even if 200,000 times of freshwater 5cm paddy is treated, it is possible to expect a sufficient control effect as an eco-friendly control agent.

Snail control of the composition for controlling snails as described above is not only superior to Comparative Example 6 as a control agent, but also provides a simple and comfortable control method compared to the conventional method by controlling the method by pouring the medicinal solution to the rice paddy. do.

The embodiments of the present invention described above and illustrated in the drawings should not be construed as limiting the technical spirit of the present invention. The scope of protection of the present invention is limited only by the matters described in the claims, and those skilled in the art can change and change the technical idea of the present invention in various forms. Therefore, such improvements and modifications will fall within the protection scope of the present invention, as will be apparent to those skilled in the art.

Claims (15)

1. Tsaponin (C ₅₇ H ₉₀ O ₂₆ ) comprising a composition for controlling snails.
2. The method of claim 1,

   The composition for controlling snails, the composition for controlling snails further comprises a copper agent.
3. The method of claim 2,

   The copper agent is a snail control composition, characterized in that any one or two or more of the mixture of Bordeaux, copper hydroxide, copper acetate, copper oxide, copper oxychloride, copper sulfate.
4. The method of claim 3, wherein

   The copper agent is a composition for controlling snails, characterized in that the copper sulfate.
5. The method according to any one of claims 1 to 4,

   The composition for controlling snails, the composition for controlling snails further comprises an additive.
6. The method of claim 5,

   The additive is a snail control composition comprising a defoaming agent or extender or a defoaming agent and an extender together.
7. The method according to any one of claims 1 to 4,

   The content of the tisaponin is a snail control composition, characterized in that 20 to 40% by weight based on the entire composition.
8. The method according to any one of claims 2 to 4,

   The content of the copper is a composition for controlling snails, characterized in that 1 to 20% by weight based on the entire composition.
9. The method according to any one of claims 1 to 4,

   The tisaponin is a composition for controlling snails, characterized in that extracted from camellia seeds.
10. Preparing a composition for control containing tisaponin; and

    Snail or a method for controlling snails, comprising the step of spraying the composition on a crop that is added to the snails.
11. The method of claim 10,

    Diluting the composition by 500 times (volume ratio) to 1,000 times (volume ratio) by adding water to the composition after the step of preparing the control composition and before the spraying step; Way.
12. The method according to claim 10 or 11, wherein

    In the spraying step, after the first spraying of the composition for controlling, snail control method characterized in that the second spraying after 1 day to 7 days.
13. The method of claim 10,

    After the step of preparing the composition for control, and before the step of the spraying step of diluting the composition by 50,000 (volume ratio) to 200,000 times (volume ratio) by adding water to the composition; Snail control method further comprising .
14. The method of claim 13,

    The spraying of the composition for controlling the snail control method, characterized in that for applying the composition to the paddy field.
15. The method according to claim 13 or 14,

    The snail is a snail control method, characterized in that the king snail.

Images