CN109953039B - Fumigant composition for preventing and controlling solenopsis invicta and application method thereof - Google Patents
Fumigant composition for preventing and controlling solenopsis invicta and application method thereof Download PDFInfo
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- CN109953039B CN109953039B CN201711432602.4A CN201711432602A CN109953039B CN 109953039 B CN109953039 B CN 109953039B CN 201711432602 A CN201711432602 A CN 201711432602A CN 109953039 B CN109953039 B CN 109953039B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/08—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing solids as carriers or diluents
- A01N25/10—Macromolecular compounds
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
- A01N43/88—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms six-membered rings with three ring hetero atoms
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N63/00—Biocides, pest repellants or attractants, or plant growth regulators containing microorganisms, viruses, microbial fungi, animals or substances produced by, or obtained from, microorganisms, viruses, microbial fungi or animals, e.g. enzymes or fermentates
- A01N63/10—Animals; Substances produced thereby or obtained therefrom
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Abstract
The invention relates to the technical field of pesticides, and discloses a fumigant composition for preventing and treating solenopsis invicta and a pesticide application method thereof. The invention also comprises a method for applying the fumigant composition for preventing and controlling the solenopsis invicta. Compared with the prior art, the invention has the following beneficial effects: (1) the fumigant composition is simple and convenient to apply and good in control effect. Experiments prove that the ant nest decline rate and the ant nest control effect in the red imported fire ant control can reach 100 percent. (2) The cost is low, the impermeable material can be repeatedly used, and the popularization and the utilization are easy. (3) The fumigant composition is safe and environment-friendly to use in an open environment, does not cause harm to human or animals, and does not influence the biodiversity in the life.
Description
Technical Field
The invention relates to the technical field of pesticides, and particularly relates to a fumigant composition for preventing and treating solenopsis invicta and a pesticide application method.
Background
The red fire ants (Solenopsis invicta Buren) belong to Formicidae of Hymenoptera, originally distributed in Balana river basin in south America, and become one of the most serious invasive organisms in the world. The red fire ants have strong reproductive capacity and adaptability and rapid diffusion and spread speed, rapidly spread in mainland China since invading Taiwan area in 2003 and after invading Guangdong, hong Kong and Macau in 2004, and currently, the diffusion areas of the mainland China include areas such as Guangdong, Fujian, Guangxi, Jiangxi, Hainan, Hunan, Sichuan, Yunnan and the like, and the total number of more than 200 counties (cities and regions) are provided. The adaptability prediction analysis of the solenopsis invicta shows that the solenopsis invicta can be adapted to the survival of the solenopsis invicta in the south region with 33.4 degrees of north latitude, from north to Shandong, Tianjin, Hebei south and Shanxi south, and from xi to Shaanxi. The red imported fire ants are omnivorous social insects, have wide eating range and great harmfulness, and cause great economic loss by endangering human health and life, destroying agricultural production, influencing biodiversity and destroying public facilities. Therefore, the control of the harm of the red imported fire ants and the reduction of the red imported fire ants have great significance for improving the health, the economy and the ecological environment of human bodies.
At present, the prevention and control of the solenopsis invicta is mainly carried out by adopting an insecticide, including a nest irrigation method, a contact powder treatment method and an erbium poisoning method. However, after the solenopsis invicta colony is a plurality of termites, neither the nest filling method, the powder method nor the poison bait method can completely control and kill the solenopsis invicta in the nest. The bait is mainly carried by workers and returned to the ant nest for eating by other red fire ants, but the red fire ants are social insects and have higher intelligence, and the bait is not eaten after the ants are eaten before the other ants eat the bait and are poisoned after the other ants eat the bait; meanwhile, the bait is also applied under the influence of weather conditions, and the expected prevention and treatment effect cannot be achieved. For contact killing powder, the control effect depends on the number of individuals attached with the medicine on the body surface, and the number of individuals of the medicine-receiving ants is too small, so that the aim of killing the solenopsis invicta in the nest cannot be achieved at all. To irritate the nest method, need in advance at the ant nest top trompil, irritate the medicine to the ant nest in, because the passageway that the ant nest leads to the outside only has the ant dun a passageway, when receiving the disturbance, the red fire ant in the nest can outwards flee through other passageways, can not kill the red fire ant in the nest completely. In a word, the nest filling method, the contact killing powder method and the poison bait method can not completely kill the red fire ants in the ant nest, and in the traditional control method, because the red fire ants are disturbed, 20 to 30 percent of the red fire ants can escape through the channels in the ant nest and can migrate to the nest or be divided into a plurality of nests, but the harm degree is increased; in addition, other animals and insects live in the same habitat, and can be poisoned and killed when high-toxicity powder and bait are applied, so that the biological diversity in the habitat is influenced.
Disclosure of Invention
The invention aims to solve the problems that the prior art is poor in prevention and control effect of solenopsis invicta, the harm degree is increased due to easy escape, the prevention and control agent is unsafe, the biological diversity is influenced and the like, and provides a fumigant composition for preventing and controlling solenopsis invicta and a pesticide application method.
In order to achieve the above object, the present invention provides a fumigant composition for controlling solenopsis invicta, which is characterized by comprising 5.0-6.0: 0.5-1.5: 1.0-4.0 by weight of dazomet, attractant and water-retaining agent.
The invention provides a preparation method of a fumigant composition for preventing and treating red imported fire ants, which is a solid preparation prepared by mixing dazomet, an attractant and a water-retaining agent.
In a third aspect, the invention provides a fumigant composition for controlling solenopsis invicta prepared by the above method.
The invention provides a method for applying a fumigant composition for controlling solenopsis invicta, which is characterized by comprising the following steps of:
(1) digging a deep groove around the ant nest under the front dyke of the red fire ants in the ant nest without disturbing the ant nest;
(2) determining the application amount of the fumigant composition for preventing and treating the red imported fire ants according to the diameter of the ant nest, and applying the fumigant composition into the ant nest;
(3) the ant dunes are quickly covered by impervious materials and are inserted into the deep groove all the time.
Compared with the prior art, the invention has the following beneficial effects:
(1) the fumigant composition is simple and convenient to apply and good in control effect. Experiments prove that the ant nest decline rate and the ant nest control effect in the red imported fire ant control can reach 100 percent.
(2) The cost is low, the impermeable material can be repeatedly used, and the popularization and the utilization are easy.
(3) The fumigant composition is safe and environment-friendly to use in an open environment, does not cause harm to human or animals, and does not influence the biodiversity in the life.
Drawings
Fig. 1 is a schematic view of the ant nest after the cover is applied to the ant nest.
Description of the reference numerals
1-soil layer, 2-ant dune and 3-impermeable film.
Detailed Description
The endpoints of the ranges and any values disclosed herein are not limited to the precise range or value, and such ranges or values should be understood to encompass values close to those ranges or values. For ranges of values, between the endpoints of each of the ranges and the individual points, and between the individual points may be combined with each other to give one or more new ranges of values, and these ranges of values should be considered as specifically disclosed herein.
The following describes in detail specific embodiments of the present invention. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
The invention provides a fumigant composition for preventing and treating solenopsis invicta, which comprises dazomet, an attractant and a water-retaining agent, wherein the weight ratio of the dazomet to the attractant to the water-retaining agent is 5.0-6.0: 0.5-1.5: 1.0-4.0.
The dazomet is an environment-friendly broad-spectrum comprehensive soil fumigation disinfectant with high efficiency, low toxicity and no residue, is mainly used for fumigating soil microorganisms (soil pathogenic bacteria), and has not been reported in the aspect of preventing and controlling solenopsis invicta. In the invention, after the dazomet is contacted with air and moisture in soil, a chemical reaction is carried out, and the dazomet is decomposed into toxic methyl isothiocyanate, formaldehyde, hydrogen sulfide and the like to kill the solenopsis invicta, meanwhile, the attractant is added to be used as a bait of the solenopsis invicta, in addition, the nest of the solenopsis invicta is dry and has low moisture content, and the water-retaining agent is added to improve the moisture utilization rate in the air and the soil, so that the use efficiency of the dazomet is improved, a certain synergistic effect is also played, and the synergistic effect with the dazomet and the attractant can effectively prevent. The fumigant composition for preventing and treating the solenopsis invicta buren does not cause harm to human beings or animals in an open environment and does not influence the biodiversity in the environment.
According to the invention, in order to further kill the solenopsis invicta, the control effect of the fumigant composition is improved. The dazomet is a 98-100% granular preparation.
According to the invention, in order to better attract the solenopsis invicta and further kill the solenopsis invicta, the attractant is fish meal.
According to the invention, in order to further improve the utilization rate of water in air and soil, the use efficiency of the dazomet is obviously improved, and a better synergistic effect is achieved. The water-retaining agent is selected from macromolecular water-absorbing resin with the particle size of 40-60 meshes. For example, it may be any value within a range of 40 mesh, 50 mesh, 60 mesh, and any two of these point values.
The invention provides a preparation method of a fumigant composition for preventing and treating red imported fire ants, which is a solid preparation prepared by mixing dazomet, fish meal and a water-retaining agent.
The invention provides a fumigant composition for preventing and treating solenopsis invicta prepared by the method.
The invention provides a pesticide application method of a fumigant composition for preventing and treating solenopsis invicta, which comprises the following steps:
(1) digging a deep groove around the ant nest under the front dyke of the red fire ants in the ant nest without disturbing the ant nest;
(2) determining the application amount of the fumigant composition for preventing and treating the red imported fire ants according to the diameter of the ant nest, and applying the fumigant composition into the ant nest;
(3) the ant dunes are quickly covered by impervious materials and are inserted into the deep groove all the time.
The fumigant composition disclosed by the invention is simple and convenient to apply, good in control effect, low in cost, and easy to popularize and utilize, and the impermeable material can be repeatedly used. Experiments prove that the ant nest decline rate and the ant nest control effect in the red imported fire ant control can reach 100 percent.
In step (1) of the present invention, the ratio of the depth of the deep groove to the height of the ant dune is 1.0-1.5: 1, for example, the ratio may be 1.0: 1, 1.1: 1, 1.2: 1, 1.3: 1, 1.4: 1, 1.5: 1, or any value in the range of any two of these values.
In step (2) of the present invention, the ant nest diameter d is less than 25cm, and the application amount is 15-25g, for example, the application amount may be any value in the range of 15g, 16g, 17g, 18g, 19g, 20g, 21g, 22g, 23g, 24g, 25g, and any two of these point values.
In step (2) of the present invention, the ant nest diameter is 25cm < d <35cm, and the application rate is 35-45g, for example, the application rate may be any value in the range of 35g, 36g, 37g, 38g, 39g, 40g, 41g, 42g, 43g, 44g, 45g, and any two of these points.
In step (3) of the present invention, in order to further prevent the red fire ants from escaping and improve the prevention and control effect, the impermeable material is sealed with soil which digs deep furrows.
In the step (3) of the invention, the ant nest diameter d is less than 10cm, and is inserted into the ground by 5-8 cm.
In the invention, different medicament dosage and different impermeable materials are selected according to the diameter of the ant nest. Preferably, the impermeable material is an impermeable film, and the impermeable material is a beverage bottle (such as a cola bottle) with the maximum diameter formed by cutting off the upper end of the bottle mouth of a beverage bottle with the capacity of 2-2.5 liters or a drinking water barrel with the maximum diameter formed by cutting off the upper end of the barrel mouth of a drinking water barrel (such as a purified water barrel) with the capacity of 2-18 liters, so that an ant nest escape channel can be effectively cut off, the red fire ants are prevented from escaping, and the prevention and treatment effect is improved.
In the step (3) of the invention, the diameter d of the ant nest is more than 10cm, and the ant nest is inserted into the ground by 10-30 cm;
according to the invention, in order to further cut off the ant nest escape channel, the red fire ants are prevented from escaping, and the prevention and control effect is improved. The impermeable material is an impermeable film (TIF) with a thickness of 0.03 mm.
The present invention will be described in detail with reference to specific examples, but the present invention is not limited thereto. In the following examples:
in the case where no particular mention is made, commercially available products are used as the starting materials.
Example 1
1. Formula of fumigant composition for preventing and treating red imported fire ants
Comprises 98 percent of dazomet granular preparation, fish meal and a water-retaining agent, wherein the weight ratio of the 98 percent of dazomet granular preparation, the fish meal and the high molecular water-absorbing resin with the grain diameter of 60 meshes is 5.0: 0.5: 1.0.
2. A fumigant composition for preventing and treating red imported fire ant is prepared by mixing dazomet, fish powder, and water-retaining agent, and making into solid preparation.
3. The application method of the fumigant composition for preventing and controlling the solenopsis invicta comprises the following steps:
(1) digging a deep groove around the ant nest under the front dyke of the red fire ants in the ant nest without disturbing, wherein the ratio of the depth of the deep groove to the height of the ant nest is 1.2: 1, and the depth of the deep groove is about 25 cm;
(2) according to the diameter d of the ant nest being 20cm, the application amount of the fumigant composition for preventing and controlling the red imported fire ants is determined to be 20g, and the fumigant composition is applied into the ant nest;
(3) and (3) quickly covering the ant dunes by adopting a TIF membrane, inserting the ant dunes into the underground of the deep groove for 20cm all the time, and sealing the TIF membrane by using soil for digging the deep groove.
Example 2
1. Formula of fumigant composition for preventing and treating red imported fire ants
Comprises 98 percent of dazomet granular preparation, fish meal and a water-retaining agent, wherein the weight ratio of the 98 percent of dazomet granular preparation, the fish meal and the high molecular water-absorbing resin with the grain diameter of 50 meshes is 5.0: 0.5: 1.0.
2. A fumigant composition for preventing and treating red imported fire ant is prepared by mixing dazomet, fish powder, and water-retaining agent, and making into solid preparation.
3. The application method of the fumigant composition for preventing and controlling the solenopsis invicta comprises the following steps:
(1) digging a deep groove around the ant nest under the front dyke of the red fire ants in the ant nest without disturbing, wherein the ratio of the depth of the deep groove to the height of the ant nest is 1.5: 1, and the depth of the deep groove is about 35 cm;
(2) determining the application amount of the fumigant composition for preventing and treating the red imported fire ants to be 40g according to the diameter d of the ant nest being 30cm, and applying the fumigant composition into the ant nest;
(3) and quickly covering the ant dunes by adopting a TIF film with the thickness of 0.03mm, inserting the ant dunes into the underground of the deep groove for 30cm all the time, and sealing the TIF film by using soil for digging the deep groove.
Example 3
1. Formula of fumigant composition for preventing and treating red imported fire ants
Comprises 98 percent of dazomet granular preparation, fish meal and a water-retaining agent, wherein the weight ratio of the 98 percent of dazomet granular preparation, the fish meal and the high molecular water-absorbing resin with the grain diameter of 60 meshes is 5.5: 1.0: 1.5.
2. A fumigant composition for preventing and treating red imported fire ant is prepared by mixing dazomet, fish powder, and water-retaining agent, and making into solid preparation.
3. The application method of the fumigant composition for preventing and controlling the solenopsis invicta comprises the following steps:
(1) digging a deep groove around the ant nest under the front dyke of the red fire ants in the ant nest without disturbing, wherein the ratio of the depth of the deep groove to the height of the ant nest is 1.3: 1, and the depth of the deep groove is about 30 cm;
(2) determining the application amount of the fumigant composition for preventing and treating the red imported fire ants to be 15g according to the diameter d of the ant nest being 5cm, and applying the fumigant composition into the ant nest;
(3) the ant dune is quickly covered by the coke bottle which is cut off and has the maximum diameter at the upper end of the bottle mouth of the coke bottle with the capacity of 2.5 liters, and the coke bottle is always inserted into the deep groove for 5cm and is sealed by soil dug into the deep groove.
Example 4
1. Formula of fumigant composition for preventing and treating red imported fire ants
Comprises 98 percent of dazomet granular preparation, fish meal and a water-retaining agent, wherein the weight ratio of the 98 percent of dazomet granular preparation, the fish meal and the high molecular water-absorbing resin with the grain diameter of 40 meshes is 6.0: 1.0: 2.
2. A fumigant composition for preventing and treating red imported fire ant is prepared by mixing dazomet, fish powder, and water-retaining agent, and making into solid preparation.
3. The application method of the fumigant composition for preventing and controlling the solenopsis invicta comprises the following steps:
(1) digging a deep groove around the ant nest under the front dyke of the red fire ants in the ant nest without disturbing, wherein the ratio of the depth of the deep groove to the height of the ant nest is 1.0: 1, and the depth of the deep groove is about 20 cm;
(2) according to the diameter d of the ant nest being 8cm, the application amount of the fumigant composition for preventing and controlling the red imported fire ants is determined to be 25g, and the fumigant composition is applied into the ant nest;
(3) the ant dune is quickly covered by the pure water bucket with the maximum diameter presented at the upper end of the bottle mouth of the pure water bucket with the capacity of 2.5 liters, and the pure water bucket is inserted into the deep ditch all the time by 8cm and is sealed by the soil for digging the deep ditch.
Comparative example 1
Dosing was performed as in example 1 except that masking step (3) was absent.
Comparative example 2
Dosing was performed as in example 2 except that masking step (3) was absent.
Test example
In 5 months 2017, the inventors tested solenopsis invicta in wenchang city in Hainan with the fumigant composition for controlling solenopsis invicta and the application method in examples 1-4 and comparative examples 1-2. And selecting 90 ant nests of red fire ants, wherein the diameter (d) of the ant nests is less than 25cm, the diameter (d) of the ant nests is less than 35cm, and 10 ant nests are provided with the pesticide and are not covered with the membrane CK. The method comprises six steps: d is less than 25cm, 20 ant nests in example 1, 20 application rates of the pesticide, the cover film, 20 ant nests in example 3, 15g application rates of the pesticide, the cover film, 20 ant nests in example 4, 25g application rates of the pesticide and the cover film; d is less than 25cm CK, 5 formicarys in comparative example 1, the application amount is 20g, and the film is not covered; 25< d <35, 20 ant nests in example 2, 40g application rate, cover film; 25< d <35, 5 formicarys in comparative example 2, applied dose 40g, no mulch. And (3) checking the number of the movable ant nests 48 hours after the pesticide is applied, wherein the checking method comprises the following steps: for the film covering ant nest, observing whether live ant activities exist under the film by naked eyes; and for CK which is not covered with the film and is applied with the medicine, slightly knocking a ant hill by using a bottle or tree skill, climbing more than 3 red fire ants in a nest for 60s, recording test data for an active ant nest, and calculating the ant nest decline rate and the ant nest control effect. The results are shown in Table 1.
TABLE 1
As can be seen from the results in table 1, the nest reduction rate and the nest control effect can both reach 100% when the inventive examples 1 to 4 are used for controlling solenopsis invicta.
The preferred embodiments of the present invention have been described above in detail, but the present invention is not limited thereto. Within the scope of the technical idea of the invention, many simple modifications can be made to the technical solution of the invention, including combinations of various technical features in any other suitable way, and these simple modifications and combinations should also be regarded as the disclosure of the invention, and all fall within the scope of the invention.
Claims (13)
1. The fumigant composition for preventing and treating red imported fire ants is characterized by comprising dazomet, an attractant and a water-retaining agent, wherein the weight ratio of the dazomet to the attractant to the water-retaining agent is 5.0-6.0: 0.5-1.5: 1.0-4.0.
2. The fumigant composition for controlling solenopsis invicta according to claim 1, wherein the dazomet is 98-100% granule formulation.
3. The fumigant composition for controlling solenopsis invicta according to claim 1, wherein the attractant is fish meal.
4. The fumigant composition for controlling solenopsis invicta according to claim 1, wherein the water retention agent is selected from a high molecular water absorbent resin with a particle size of 40-60 mesh.
5. A method for preparing a fumigant composition for controlling solenopsis invicta according to any one of claims 1 to 4, wherein the solid preparation is prepared by mixing dazomet, attractant and water-retaining agent.
6. A fumigant composition for controlling solenopsis invicta prepared by the method of claim 5.
7. A method of applying the fumigant composition for controlling solenopsis invicta as claimed in any one of claims 1 to 4 and 6, comprising the steps of:
(1) digging a deep groove around the ant nest under the front dyke of the red fire ants in the ant nest without disturbing the ant nest;
(2) determining the application amount of the fumigant composition for preventing and treating the red imported fire ants according to the diameter of the ant nest, and applying the fumigant composition into the ant nest;
(3) the ant dunes are quickly covered by impervious materials and are inserted into the deep groove all the time.
8. The method of claim 7 wherein in step (1) the ratio of moat depth to ant dune height is from 1.0 to 1.5: 1.
9. The method of claim 7 wherein in step (2) the nest diameter d is less than 25cm and the amount of fumigant applied is 15-25 g.
10. The method of applying a fumigant composition for controlling solenopsis invicta according to claim 7, wherein in step (2), the nest diameter is 25cm < d <35cm, and the application amount is 35-45 g.
11. The method of claim 7 wherein in step (3) the impermeable material is further sealed with deep furred soil.
12. The method of applying a fumigant composition for controlling solenopsis invicta according to claim 7 or 11, wherein in step (3), the nest diameter d <10cm is inserted into the ground by 5-8 cm;
and/or the impermeable material is an impermeable film, a beverage bottle with the maximum diameter presented at the upper end of the bottle mouth of a beverage bottle with the cut-off capacity of 2-2.5 liters or a drinking water barrel with the maximum diameter presented at the upper end of the barrel mouth of a drinking water barrel with the cut-off capacity of 2-18 liters.
13. The method of applying a fumigant composition for controlling solenopsis invicta according to claim 7 or 11, wherein in step (3), the nest diameter d is greater than 10cm, and is inserted into the ground by 10-30 cm;
and/or the impermeable material is an impermeable film.
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