CN115067313A - Method for fumigating and killing soil-dwelling termites by smoke - Google Patents

Method for fumigating and killing soil-dwelling termites by smoke Download PDF

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CN115067313A
CN115067313A CN202210745823.1A CN202210745823A CN115067313A CN 115067313 A CN115067313 A CN 115067313A CN 202210745823 A CN202210745823 A CN 202210745823A CN 115067313 A CN115067313 A CN 115067313A
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parts
soil
dwelling
termites
nano ceramic
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刘吉敏
李懋辅
陆仕婷
邓铁军
黄其椿
蒋卓恩
韦丽荣
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Guangxi Zhuang Nationality Autonomous Region Academy of Agricultural Sciences
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Guangxi Zhuang Nationality Autonomous Region Academy of Agricultural Sciences
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
    • A01M13/00—Fumigators; Apparatus for distributing gases
    • A01M13/006—Fumigators specially adapted for destruction of rats or similar animals in holes
    • 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
    • A01N25/18—Vapour or smoke emitting compositions with delayed or sustained release
    • 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
    • A01N25/32—Ingredients for reducing the noxious effect of the active substances to organisms other than pests, e.g. toxicity reducing compositions, self-destructing compositions
    • 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
    • A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
    • A01N37/36—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a singly bound oxygen or sulfur atom attached to the same carbon skeleton, this oxygen or sulfur atom not being a member of a carboxylic group or of a thio analogue, or of a derivative thereof, e.g. hydroxy-carboxylic acids
    • A01N37/38—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a singly bound oxygen or sulfur atom attached to the same carbon skeleton, this oxygen or sulfur atom not being a member of a carboxylic group or of a thio analogue, or of a derivative thereof, e.g. hydroxy-carboxylic acids having at least one oxygen or sulfur atom attached to an aromatic ring system
    • 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
    • A01N43/90—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system
    • 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
    • A01N53/00—Biocides, pest repellants or attractants, or plant growth regulators containing cyclopropane carboxylic acids or derivatives thereof

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  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Pest Control & Pesticides (AREA)
  • Wood Science & Technology (AREA)
  • Environmental Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Zoology (AREA)
  • Plant Pathology (AREA)
  • Dentistry (AREA)
  • Agronomy & Crop Science (AREA)
  • Toxicology (AREA)
  • Insects & Arthropods (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

The invention relates to a method for fumigating and killing soil-dwelling termites by smoke, which comprises the following steps: (1) preparing a medicament; (2) preparing an atomizing agent; (3) preparing a soil termite biocide; (4) controlling soil-dwelling termites; the pesticide for killing the soil-inhabiting termites consists of a pesticide, an atomizing agent, a surfactant, a cosolvent and water, the pesticide and the atomizing agent are mixed by using an ultramicron atomizer, the pesticide liquid is instantly gasified by a heating system to form tiny particles with the average diameter of 0.2-0.4 micrometer, the tiny particles can be suspended in the air for a long time, and the pesticide-inhabiting termites killing agent has excellent penetrability and adhesion performance, can kill the termites efficiently, and is low in dosage, low in pesticide residue, low in pollution, safe, labor-saving and high in work efficiency.

Description

Method for fumigating and killing soil-dwelling termites by smoke
Technical Field
The invention relates to the technical field of termite control, in particular to a method for fumigating and killing soil-dwelling termites by smoke.
Background
Termites (termite, white ant), also called "sergeant" in the phylum of the company, "Insecta," isoptera ", are similar to the social life of ants, and their social ranks are queen, soldier and worker ants. Although termites and ants are generally called ants (see the general family of termites), the social system of termites is classified, termites belong to lower semimetamorphosis insects, and ants belong to higher holometamorphosis insects. Termites, judged by fossil, are likely to develop from the ancient orthopteran insect, the earliest appearing in the second century 2 hundred million years ago. One may misunderstand that termites are one species of ants, and indeed, termites and ants are two different species. Termites are soft and small, usually long and round, white, yellowish, and reddish to blackish brown in color. The front head opening type or the lower opening type can move freely. The tentacles can be bead-shaped, the abdomen is thick and strong, and the front and rear wings are equal in length; ant tentacles and knees are thin and thin, and the anterior wing is larger than the posterior wing. The ancient Chinese books called ant, flying ant, Ye, Lily, , etc. are all mixed with ant. Song dynasty began with the name of termites and was identified as the alternative name of termites. Termites are distributed in tropical and subtropical areas and feed on wood or cellulose. Termites are polymorphic, social and strictly labor-sharing insects, and once colony tissues are damaged, the termites are difficult to continue to live. More than 2000 are known worldwide. In China, except for the one not found in the Macanidae, there are 4 other families, and there are more than 300 species in total. The distribution range is wide.
The soil-inhabiting termites bring serious damage to local landscaping, river dams and the like due to the characteristics of concealment, severity and difficult control of the damage, the traditional manual nest digging and grouting method for preventing the soil-inhabiting termites has low efficiency, high cost and damage to forest vegetation, only a few people can master the technology, and the practicability is poor. In order to search for a new control technology of soil-inhabiting termites, the killing effect of the termites is tested by adopting a method of carrying out medicine diffusion killing on the termite nest by using an ultrafine particle atomizer.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide the method for fumigating and killing the soil-dwelling termites by using the smoke, which has the advantages of small dosage, small pesticide residue, small pollution, safety, labor saving and high working efficiency.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: a method for fumigating and killing soil-dwelling termites by smoke comprises the following steps:
(1) preparation of the medicament: mixing the components for forming the medicament to obtain the medicament; the medicament consists of the following components in parts by weight: 12-15 parts of esfenpropathrin, 10-12 parts of fenpropathrin, 5-7 parts of fenvalerate, 1-3 parts of ethofenprox, 1.8-2.2 parts of 4.3% high-chlorine emamectin benzoate missible oil and 0.1-0.3 part of a pyrethroid drug photodegradation catalyst;
the catalyst for the photodegradation of the pyrethroid is used for assisting the degradation of the pyrethroid under the irradiation of ultraviolet light, and comprises the following components in parts by weight: 15-18 parts of methanol and 3-5 parts of modified nano ceramic; the modified nano ceramic is loaded with copper oxide and silver oxide; the weight ratio of the copper oxide to the silver oxide to the nano ceramic is as follows: 0.2: 1.5: 8-10;
(2) preparing an atomizing agent: uniformly mixing all components for forming the atomizing agent to obtain the atomizing agent; the atomizing agent consists of the following components in parts by weight: 30-35 parts of polyoxyethylene ether, 10-13 parts of undecyl alcohol and 10-15 parts of trimethylolpropane;
(3) preparing a soil termite insecticide: mixing the components for forming the soil-dwelling termite biocide to obtain the soil-dwelling termite biocide; the soil-inhabiting termite insecticide comprises the following components in percentage by weight: 1-5 wt/percent of medicament, 3-6 wt/percent of atomizing agent, 8-12 wt/percent of surfactant, 3-12 wt/percent of cosolvent and the balance of water;
(4) controlling soil-inhabiting termites: 1) finding traces of activities, hazards and flying separation on the ground with the ant damage, and finding an ant track downwards along the traces; 2) and (2) filling the soil-dwelling termite pesticide into the ultrafine particle atomizer, inserting the air outlet of the ultrafine particle atomizer into the ant channel, heating and gasifying the soil-dwelling termite pesticide by the ultrafine particle atomizer to form micro particles with the average diameter of 0.2-0.4 mu m, and injecting the micro particles into the ant nest to achieve the purpose of preventing and controlling the ant damage.
Further, the medicament in the step (1) consists of the following components in parts by weight: 13-15 parts of esfenpropathrin, 11-12 parts of fenpropathrin, 6-7 parts of fenvalerate, 2-3 parts of ethofenprox, 1.9-2.2 parts of 4.3% high-chlorine emamectin benzoate missible oil and 0.2-0.3 part of a pyrethroid drug photodegradation catalyst.
Further, the pyrethroid medicament photodegradation catalyst in the step (1) consists of the following components in parts by weight: 16-18 parts of methanol and 4-5 parts of modified nano ceramic; the modified nano ceramic is nano ceramic loaded with copper oxide and silver oxide; the weight ratio of the copper oxide to the silver oxide to the nano ceramic is as follows: 0.2: 1.5: 9 to 10.
Further, the preparation method of the modified nano-ceramic in the step (1) comprises the following steps: 1) weighing copper oxide, silver oxide and nano ceramic according to the proportion, and then weighing a silicate inorganic adhesive, wherein the silicate inorganic adhesive and the nano ceramic are in parts by weight: 1: 10-15; 2) mixing a silicate inorganic adhesive, copper oxide, silver oxide and nano ceramic, performing ultrasonic dispersion, roasting at 300-450 ℃ for 2-3 h, cooling to room temperature, and crushing to obtain the modified nano ceramic.
Further, 5-8 parts by weight of isopropanol is added into the pyrethroid drug photodegradation catalyst in the step (1).
Further, the atomizing agent in the step (2) is composed of the following components in parts by weight: 32-35 parts of polyoxyethylene ether, 11-13 parts of undecyl alcohol and 12-15 parts of trimethylolpropane.
Further, in the step (3), the surfactant is one or a mixture of more than one of fatty alcohol-polyoxyethylene ether sodium sulfate, fatty alcohol-polyoxyethylene ether ammonium sulfate and sodium lauryl sulfate.
Further, the cosolvent in the step (3) is composed of 95% ethanol and acetone in a volume ratio of 1: 1.
Further, the soil-dwelling termite pesticide in the step (3) consists of the following components in percentage by weight: 2-5 wt/percent of medicament, 4-6 wt/percent of atomizing agent, 9-12 wt/percent of surfactant, 4-12 wt/percent of cosolvent and the balance of water.
Further, the consumption of the soil-dwelling termite pesticide in the step (4) is 1-3 ml/m for cultivating trees; carrying out ultraviolet irradiation for 2-3 times after applying the soil termite biocide for 5 days; the ultraviolet irradiation process parameters are as follows: the power of the ultraviolet lamp tube is 50W, the wavelength is 253.7nm, and the irradiation intensity is 90-110 mu W/cm 2 And the irradiation time is 2-3 h.
The invention relates to a method for fumigating and killing soil-dwelling termites by smoke, which is characterized in that a medicament and an atomizing agent are mixed by using an ultramicron atomizer, and the liquid medicament is instantly gasified by a heating system to form tiny particles with the average diameter of 0.2-0.4 micron, so that the tiny particles can be suspended in the air for a long time, have excellent penetrability and adhesive property, small dosage, small pesticide residue, small pollution, safety, labor saving and high work efficiency; the combination of four pyrethroid insecticides of D-phenothrin, fenpropathrin, fenvalerate and ethofenprox enhances the ant killing effect, and the ant killing effect is better than that of a single pyrethroid insecticide; the soil-dwelling termites are mostly ivory-white and yellowish-white, and have more body tenderness, but the surface of the soil-dwelling termites is provided with a layer of oil, only four pyrethroid insecticides of d-phenothrin, fenpropathrin, fenvalerate and ethofenprox are difficult to permeate into the termites, in order to further improve the termite-killing effect, 4.3 percent of perchloromethyl salt missible oil is also added, and under the multiple actions of the 4.3 percent of perchloromethyl salt missible oil and the four pyrethroid insecticides of d-phenothrin, fenpropathrin and ethofenprox, the insecticide can permeate into the termites, thereby achieving the purpose of efficiently preventing and controlling the termites; the pyrethroid pesticide photodegradation catalyst is added to assist the pyrethroid pesticide to degrade under the irradiation of ultraviolet light, so that the pyrethroid pesticide has the advantages of less residual quantity of pesticide, less pollution, safety, labor saving and high work efficiency; the pyrethroid pesticide photodegradation catalyst is prepared by compounding methanol and nano ceramic loaded with copper oxide and silver oxide, can effectively decompose four pyrethroid insecticides of D-phenothrin, fenpropathrin, fenvalerate and ethofenprox simultaneously under the multiple actions of the methanol, the nano ceramic loaded with the copper oxide and the silver oxide and ultraviolet irradiation, and has the advantages of low pesticide residue and small pollution; the composition proportion of the atomizing agent is optimized, the auxiliary liquid medicine is vaporized instantly to form micro particles with the average diameter of 0.2-0.4 mu m, and the time for suspending the atomized particles in the air reaches 135 min.
According to the method for fumigating and killing the soil-dwelling termites, isopropanol is added into the pyrethroid medicament photodegradation catalyst, and the decomposition effects of the four pyrethroid insecticides of the esfenprox, the fenpropathrin, the fenvalerate and the ethofenprox are further improved under the multiple actions of the methanol, the isopropanol, the nano ceramic loaded with the copper oxide and the silver oxide and the ultraviolet irradiation, so that the pesticide residue is less, and the pollution is less.
Detailed Description
The following examples may help one skilled in the art to more fully understand the invention, but are not intended to limit the invention in any way.
The invention relates to a method for fumigating and killing soil-dwelling termites by smoke, which comprises the following experimental devices: McLikesha BJWF-AC3000 ultramicron atomizer, hoe, shovel, finger-type tube, camera, timer, notebook, pen, etc.; the needed drugs such as d-phenothrin, fenpropathrin, fenvalerate, ethofenprox, 4.3% perchloro-emamectin benzoate and the like can be purchased on the market.
The invention relates to a method for fumigating and killing soil-dwelling termites by smoke, wherein the number of termite nests to be tested in each embodiment is as follows: a soil-dwelling termite nest: tests need to be carried out on 5 dam nests, 5 forest-land termite nests and 5 farmland termite nests, and 15 soil-dwelling termite nests with basically consistent species and sizes are needed.
The invention relates to a method for fumigating and killing soil-dwelling termites by smoke, which is specifically designed in the following embodiments:
1. influence of toxic gas injection time on prevention and treatment effect
The ant nests are numbered in the test field, smoke particles gasified at high temperature are intermittently sprayed into each ant nest for 10s, and then the smoke particles are sprayed once again at intervals of half a minute and repeated for 3 times.
2. Effect of Ant tract length on control Effect
Recording the time for each ant nest to separate the flying holes and the ventilation holes to smoke (the time for smoking is generally 2-3 seconds according to experience), and digging the ant nest to check the death condition of the ant nest after the poisonous gas is pressed. And recording the ant channel length of each ant nest, and observing the influence of different ant channel lengths on the control effect.
3. Influence of different habitats on control effect
(1) In each example, 5 soil-inhabiting termite nests in three different habitats of a dam, a forest land and a farmland are selected and treated by using a soil-inhabiting termite insecticide, and 15 soil-inhabiting termite nests are required in total in each example.
4. Problems to be noted in the experiments:
1. the choice of test site should be representative.
2. The killing experiments of the same species of the same habitat and the same drug are arranged in a time period as much as possible, and the time difference is not too long, so that errors are avoided.
3. The experiment time should be selected to be carried out in the morning or afternoon of fine weather, and not carried out in rainy days, so as not to influence the effect difference.
4. In the experimental process, protective measures are required to avoid poisoning.
According to the method for fumigating and killing the soil-dwelling termites, due to the fact that the pyrethroid pesticide photodegradation catalyst is added into the soil-dwelling termites, the problem that ultraviolet irradiation needs to be paid attention to in the process of preparation and storage is solved; in addition, the soil-dwelling termite insecticide can be divided into two parts, one part is a pyrethroid photodegradation catalyst, and the components except the pyrethroid photodegradation catalyst are combined into the other part; when the pesticide is used, the soil-dwelling termite pesticide without the pyrethroid pesticide photodegradation catalyst is used firstly, and then the pyrethroid pesticide photodegradation catalyst is used, so that the soil-dwelling termite pesticide is convenient to store and preserve.
According to the method for fumigating and killing the soil-dwelling termites by the smoke, the atomizing agent, the surfactant and the cosolvent can be replaced by similar products, are not limited to the atomizing agent, the surfactant and the cosolvent disclosed by the application, and can play corresponding roles.
The present invention will be described in detail by way of examples. It is to be understood that the following examples are illustrative of the present invention and are not to be construed as limiting the scope of the invention, and that certain insubstantial modifications and adaptations of the invention by those skilled in the art in light of the foregoing description are intended to be included within the scope of the invention. The specific process parameters and the like of the following examples are also only one example of suitable ranges, i.e., those skilled in the art can select the appropriate ranges through the description herein, and are not limited to the specific values exemplified below.
Example 1
A method for fumigating and killing soil-dwelling termites by smoke comprises the following steps:
(1) preparation of the medicament: mixing the components for forming the medicament to obtain the medicament; the medicament consists of the following components in parts by weight: 12 parts of esfenpropathrin, 10 parts of fenpropathrin, 5 parts of fenvalerate, 1 part of ethofenprox, 1.8 parts of 4.3% high-chlorine emamectin benzoate missible oil and 0.1 part of a pyrethroid medicament photodegradation catalyst;
the catalyst for the photodegradation of the pyrethroid is used for assisting the degradation of the pyrethroid under the irradiation of ultraviolet light, and consists of the following components in parts by weight: 15 parts of methanol, 5 parts of isopropanol and 3 parts of modified nano ceramic; the modified nano ceramic is nano ceramic loaded with copper oxide and silver oxide; the weight ratio of the copper oxide to the silver oxide to the nano ceramic is as follows: 0.2: 1.5: 8;
the preparation method of the modified nano ceramic comprises the following steps: 1) weighing copper oxide, silver oxide and nano ceramic according to the proportion, and then weighing a silicate inorganic adhesive, wherein the silicate inorganic adhesive and the nano ceramic are in parts by weight: 1: 10; 2) mixing a silicate inorganic adhesive, copper oxide, silver oxide and nano ceramic, performing ultrasonic dispersion, roasting at 300 ℃ for 2 hours, cooling to room temperature, and crushing to obtain the modified nano ceramic;
(2) preparing an atomizing agent: uniformly mixing all components for forming the atomizing agent to obtain the atomizing agent; the atomizing agent consists of the following components in parts by weight: 30 parts of polyoxyethylene ether, 10 parts of undecyl alcohol and 10 parts of trimethylolpropane;
(3) preparing a soil termite insecticide: mixing the components for forming the soil-dwelling termite biocide to obtain the soil-dwelling termite biocide; the soil-inhabiting termite insecticide comprises the following components in percentage by weight: 1wt/%, 3wt/%, 8wt/%, 3wt/%, and the balance water;
the surfactant is fatty alcohol-polyoxyethylene ether sodium sulfate;
the cosolvent consists of 95% ethanol and acetone in a volume ratio of 1: 1;
(4) controlling soil-inhabiting termites: 1) finding traces of activities, hazards and flying separation on the ground with the ant damage, and finding an ant track downwards along the traces; 2) the soil-dwelling termite pesticide is filled into the ultrafine particle atomizer, the air outlet of the ultrafine particle atomizer is inserted into the ant channel, the soil-dwelling termite pesticide is heated and gasified by the ultrafine particle atomizer to form micro particles with the average diameter of 0.2-0.4 mu m, and the micro particles are injected into an ant nest to achieve the purpose of preventing and controlling the ant damage; the using amount of the termite pesticide for soil cultivation is 1 ml/m; carrying out ultraviolet irradiation for 2 times after applying the soil termite biocide for 5 days; the technological parameters of the ultraviolet single irradiation are as follows: the power of the ultraviolet lamp tube is 50W, the wavelength is 253.7nm, and the irradiation intensity is 90 muW/cm 2 And the irradiation time is 2 h.
Table 1 below shows the statistical results of the control effects of the toxic gas injection on the soil-dwelling termites in this example
TABLE 1
Figure DEST_PATH_IMAGE002
Example 2
A method for fumigating and killing soil-dwelling termites by smoke comprises the following steps:
(1) preparation of the medicament: mixing the components for forming the medicament to obtain the medicament; the medicament consists of the following components in parts by weight: 15 parts of esfenpropathrin, 12 parts of fenpropathrin, 7 parts of fenvalerate, 3 parts of ethofenprox, 2.2 parts of 4.3% high-chlorine emamectin benzoate missible oil and 0.3 part of a pyrethroid medicament photodegradation catalyst;
the catalyst for the photodegradation of the pyrethroid is used for assisting the degradation of the pyrethroid under the irradiation of ultraviolet light, and consists of the following components in parts by weight: 18 parts of methanol, 8 parts of isopropanol and 5 parts of modified nano ceramic; the modified nano ceramic is nano ceramic loaded with copper oxide and silver oxide; the weight ratio of the copper oxide to the silver oxide to the nano ceramic is as follows: 0.2: 1.5: 10;
the preparation method of the modified nano ceramic comprises the following steps: 1) weighing copper oxide, silver oxide and nano ceramic according to the proportion, and then weighing a silicate inorganic adhesive, wherein the silicate inorganic adhesive and the nano ceramic are in parts by weight: 1: 15; 2) mixing a silicate inorganic adhesive, copper oxide, silver oxide and nano ceramic, performing ultrasonic dispersion, roasting at 450 ℃ for 3 hours, cooling to room temperature, and crushing to obtain the modified nano ceramic;
(2) preparing an atomizing agent: uniformly mixing all components for forming the atomizing agent to obtain the atomizing agent; the atomizing agent consists of the following components in parts by weight: 35 parts of polyoxyethylene ether, 13 parts of undecyl alcohol and 15 parts of trimethylolpropane;
(3) preparing a soil termite biocide: mixing the components for forming the soil-dwelling termite biocide to obtain the soil-dwelling termite biocide; the soil-inhabiting termite insecticide comprises the following components in percentage by weight: 5wt/%, 6wt/%, 12wt/%, and the balance water;
the surfactant is fatty alcohol polyoxyethylene ether ammonium sulfate;
the cosolvent consists of 95% ethanol and acetone in a volume ratio of 1: 1;
(4) controlling soil-inhabiting termites: 1) finding traces of activities, hazards and flying separation on the ground with the ant damage, and finding an ant track downwards along the traces; 2) make the soil whiteFilling the termite pesticide into the superfine particle atomizer, inserting the air outlet of the superfine particle atomizer into the termite channel, heating and gasifying the soil-inhabiting termite pesticide by the superfine particle atomizer to form tiny particles with the average diameter of 0.2-0.4 mu m, and injecting the tiny particles into a termite nest to achieve the purpose of preventing and controlling termite damage; the using amount of the termite pesticide for soil cultivation is 3 ml/m; carrying out ultraviolet irradiation for 3 times after applying the soil termite biocide for 5 days; the ultraviolet irradiation process parameters are as follows: the power of the ultraviolet lamp tube is 50W, the wavelength is 253.7nm, and the irradiation intensity is 110 mu W/cm 2 The irradiation time is 3 h.
Table 2 below shows the statistical results of the control effects of the toxic gas injection on the soil-dwelling termites in this example
TABLE 2
Figure DEST_PATH_IMAGE002A
Example 3
A method for fumigating and killing soil-dwelling termites by smoke comprises the following steps:
(1) preparation of the medicament: mixing the components for forming the medicament to obtain the medicament; the medicament consists of the following components in parts by weight: 13 parts of esfenpropathrin, 11 parts of fenpropathrin, 6 parts of fenvalerate, 2 parts of ethofenprox, 1.9 parts of 4.3% high-chlorine emamectin benzoate missible oil and 0.2 part of a pyrethroid medicament photodegradation catalyst;
the catalyst for the photodegradation of the pyrethroid is used for assisting the degradation of the pyrethroid under the irradiation of ultraviolet light, and consists of the following components in parts by weight: 16 parts of methanol, 6 parts of isopropanol and 4 parts of modified nano ceramic; the modified nano ceramic is nano ceramic loaded with copper oxide and silver oxide; the weight ratio of the copper oxide to the silver oxide to the nano ceramic is as follows: 0.2: 1.5: 9;
the preparation method of the modified nano ceramic comprises the following steps: 1) weighing copper oxide, silver oxide and nano ceramic according to the proportion, and then weighing a silicate inorganic adhesive, wherein the silicate inorganic adhesive and the nano ceramic are in parts by weight: 1: 12; 2) mixing a silicate inorganic adhesive, copper oxide, silver oxide and nano ceramic, performing ultrasonic dispersion, roasting at 350 ℃ for 2.5 hours, cooling to room temperature, and crushing to obtain the modified nano ceramic;
(2) preparing an atomizing agent: uniformly mixing all components for forming the atomizing agent to obtain the atomizing agent; the atomizing agent consists of the following components in parts by weight: 32 parts of polyoxyethylene ether, 11 parts of undecyl alcohol and 12 parts of trimethylolpropane;
(3) preparing a soil termite insecticide: mixing the components for forming the soil-dwelling termite biocide to obtain the soil-dwelling termite biocide; the soil-inhabiting termite insecticide comprises the following components in percentage by weight: 2wt/%, 4wt/%, 9wt/%, 4wt/%, and the balance water;
the surfactant is fatty alcohol polyoxyethylene ether sodium sulfate and lauryl alcohol sodium sulfate in a volume ratio of 1: 1;
the cosolvent consists of 95% ethanol and acetone in a volume ratio of 1: 1;
(4) controlling soil-inhabiting termites: 1) finding traces of activities, hazards and flying separation on the ground with the ant damage, and finding an ant track downwards along the traces; 2) the soil-dwelling termite pesticide is filled into the ultrafine particle atomizer, the air outlet of the ultrafine particle atomizer is inserted into the ant channel, the soil-dwelling termite pesticide is heated and gasified by the ultrafine particle atomizer to form micro particles with the average diameter of 0.2-0.4 mu m, and the micro particles are injected into an ant nest to achieve the purpose of preventing and controlling the ant damage; the using amount of the termite pesticide for soil cultivation is 2 ml/m; carrying out ultraviolet irradiation for 3 times after applying the soil termite biocide for 5 days; the technological parameters of ultraviolet irradiation are as follows: the power of the ultraviolet lamp tube is 50W, the wavelength is 253.7nm, and the irradiation intensity is 100 muW/cm 2 The irradiation time is 2.5 h.
Table 3 below shows the statistical results of the control effects of the toxic gas injection on the soil-dwelling termites in this example
TABLE 3
Figure DEST_PATH_IMAGE002AA
Example 4
A method for fumigating and killing soil-dwelling termites by smoke comprises the following steps:
(1) preparation of the medicament: mixing the components for forming the medicament to obtain the medicament; the medicament consists of the following components in parts by weight: 13 parts of esfenpropathrin, 11 parts of fenpropathrin, 6 parts of fenvalerate, 2 parts of ethofenprox, 1.9 parts of 4.3% high-chlorine emamectin benzoate missible oil and 0.2 part of a pyrethroid medicament photodegradation catalyst;
the catalyst for the photodegradation of the pyrethroid is used for assisting the degradation of the pyrethroid under the irradiation of ultraviolet light, and consists of the following components in parts by weight: 16 parts of methanol and 4 parts of modified nano ceramic; the modified nano ceramic is nano ceramic loaded with copper oxide and silver oxide; the weight ratio of the copper oxide to the silver oxide to the nano ceramic is as follows: 0.2: 1.5: 9;
the preparation method of the modified nano ceramic comprises the following steps: 1) weighing copper oxide, silver oxide and nano ceramic according to the proportion, and then weighing a silicate inorganic adhesive, wherein the silicate inorganic adhesive and the nano ceramic are in parts by weight: 1: 12; 2) mixing a silicate inorganic adhesive, copper oxide, silver oxide and nano ceramic, performing ultrasonic dispersion, roasting at 350 ℃ for 2.5 hours, cooling to room temperature, and crushing to obtain the modified nano ceramic;
(2) preparing an atomizing agent: uniformly mixing all components for forming the atomizing agent to obtain the atomizing agent; the atomizing agent consists of the following components in parts by weight: 32 parts of polyoxyethylene ether, 11 parts of undecyl alcohol and 12 parts of trimethylolpropane;
(3) preparing a soil termite insecticide: mixing the components for forming the soil-dwelling termite biocide to obtain the soil-dwelling termite biocide; the soil-inhabiting termite insecticide comprises the following components in percentage by weight: 2wt/%, 4wt/%, 9wt/%, 4wt/%, and the balance water;
the surfactant is fatty alcohol polyoxyethylene ether sodium sulfate and lauryl alcohol sodium sulfate in a volume ratio of 1: 1;
the cosolvent consists of 95% ethanol and acetone in a volume ratio of 1: 1;
(4) controlling soil-inhabiting termites: 1) for finding movement, damage, or flying on the ground damaged by ant damageTrace, finding the ant track down the trace; 2) the soil-dwelling termite pesticide is filled into the ultrafine particle atomizer, the air outlet of the ultrafine particle atomizer is inserted into the ant channel, the soil-dwelling termite pesticide is heated and gasified by the ultrafine particle atomizer to form micro particles with the average diameter of 0.2-0.4 mu m, and the micro particles are injected into an ant nest to achieve the purpose of preventing and controlling the ant damage; the using amount of the termite pesticide for soil cultivation is 2 ml/m; carrying out ultraviolet irradiation for 3 times after applying the soil termite biocide for 5 days; the ultraviolet irradiation process parameters are as follows: the power of the ultraviolet lamp tube is 50W, the wavelength is 253.7nm, and the irradiation intensity is 100 muW/cm 2 The irradiation time is 2.5 h.
Table 4 below shows the statistical results of the control effects of the toxic gas injection on the soil-dwelling termites in this example
TABLE 4
Figure DEST_PATH_IMAGE002AAA
Comparative example 1
A method for fumigating and killing soil-dwelling termites by smoke comprises the following steps:
(1) preparation of the medicament: mixing the components for forming the medicament to obtain the medicament; the medicament consists of the following components in parts by weight: 13 parts of esfenpropathrin, 11 parts of fenpropathrin, 6 parts of fenvalerate, 2 parts of ethofenprox and 0.2 part of pyrethrin drug photodegradation catalyst;
the catalyst for the photodegradation of the pyrethroid is used for assisting the degradation of the pyrethroid under the irradiation of ultraviolet light, and consists of the following components in parts by weight: 16 parts of methanol, 6 parts of isopropanol and 4 parts of modified nano ceramic; the modified nano ceramic is nano ceramic loaded with copper oxide and silver oxide; the weight ratio of the copper oxide to the silver oxide to the nano ceramic is as follows: 0.2: 1.5: 9;
the preparation method of the modified nano ceramic comprises the following steps: 1) weighing copper oxide, silver oxide and nano ceramic according to the proportion, and then weighing a silicate inorganic adhesive, wherein the silicate inorganic adhesive and the nano ceramic are in parts by weight: 1: 12; 2) mixing a silicate inorganic adhesive, copper oxide, silver oxide and nano ceramic, performing ultrasonic dispersion, roasting at 350 ℃ for 2.5 hours, cooling to room temperature, and crushing to obtain the modified nano ceramic;
(2) preparing an atomizing agent: uniformly mixing all components for forming the atomizing agent to obtain the atomizing agent; the atomizing agent consists of the following components in parts by weight: 32 parts of polyoxyethylene ether, 11 parts of undecyl alcohol and 12 parts of trimethylolpropane;
(3) preparing a soil termite insecticide: mixing the components for forming the soil-dwelling termite biocide to obtain the soil-dwelling termite biocide; the soil-inhabiting termite insecticide comprises the following components in percentage by weight: 2wt/%, 4wt/%, 9wt/%, 4wt/%, and the balance water;
the surfactant is fatty alcohol polyoxyethylene ether sodium sulfate and lauryl alcohol sodium sulfate in a volume ratio of 1: 1;
the cosolvent consists of 95% ethanol and acetone in a volume ratio of 1: 1;
(4) controlling soil-inhabiting termites: 1) finding traces of activities, hazards and flying separation on the ground with the ant damage, and finding an ant track downwards along the traces; 2) the soil-dwelling termite pesticide is filled into the ultrafine particle atomizer, the air outlet of the ultrafine particle atomizer is inserted into the ant channel, the soil-dwelling termite pesticide is heated and gasified by the ultrafine particle atomizer to form micro particles with the average diameter of 0.2-0.4 mu m, and the micro particles are injected into an ant nest to achieve the purpose of preventing and controlling the ant damage; the using amount of the termite pesticide for soil cultivation is 2 ml/m; carrying out ultraviolet irradiation for 3 times after applying the soil termite biocide for 5 days; the ultraviolet irradiation process parameters are as follows: the power of the ultraviolet lamp tube is 50W, the wavelength is 253.7nm, and the irradiation intensity is 100 muW/cm 2 The irradiation time is 2.5 h.
Table 5 below shows the statistical results of the control effects of the toxic gas injection on the soil-dwelling termites in this example
TABLE 5
Figure DEST_PATH_IMAGE006
Comparative example 2
A method for fumigating and killing soil-dwelling termites by smoke comprises the following steps:
(1) preparation of the medicament: mixing the components for forming the medicament to obtain the medicament; the medicament consists of the following components in parts by weight: 13 parts of permethrin, 1.9 parts of 4.3% high-chlorine emamectin benzoate missible oil and 0.2 part of a pyrethroid medicament photodegradation catalyst;
the catalyst for the photodegradation of the pyrethroid is used for assisting the degradation of the pyrethroid under the irradiation of ultraviolet light, and comprises the following components in parts by weight: 16 parts of methanol, 6 parts of isopropanol and 4 parts of modified nano ceramic; the modified nano ceramic is nano ceramic loaded with copper oxide and silver oxide; the weight ratio of the copper oxide to the silver oxide to the nano ceramic is as follows: 0.2: 1.5: 9;
the preparation method of the modified nano ceramic comprises the following steps: 1) weighing copper oxide, silver oxide and nano ceramic according to the proportion, and then weighing a silicate inorganic adhesive, wherein the silicate inorganic adhesive and the nano ceramic are in parts by weight: 1: 12; 2) mixing a silicate inorganic adhesive, copper oxide, silver oxide and nano ceramic, performing ultrasonic dispersion, roasting at 350 ℃ for 2.5 hours, cooling to room temperature, and crushing to obtain the modified nano ceramic;
(2) preparing an atomizing agent: uniformly mixing all components for forming the atomizing agent to obtain the atomizing agent; the atomizing agent consists of the following components in parts by weight: 32 parts of polyoxyethylene ether, 11 parts of undecyl alcohol and 12 parts of trimethylolpropane;
(3) preparing a soil termite insecticide: mixing the components for forming the soil-dwelling termite biocide to obtain the soil-dwelling termite biocide; the soil-inhabiting termite insecticide comprises the following components in percentage by weight: 2wt/%, 4wt/%, 9wt/%, 4wt/%, and the balance water;
the surfactant is fatty alcohol polyoxyethylene ether sodium sulfate and lauryl alcohol sodium sulfate in a volume ratio of 1: 1;
the cosolvent consists of 95% ethanol and acetone in a volume ratio of 1: 1;
(4) controlling soil-inhabiting termites: 1) finding the trace of activity, harm and flying on the ground with the harm of the ant damageTrace downward finding ant channel; 2) the soil-dwelling termite pesticide is filled into the ultrafine particle atomizer, the air outlet of the ultrafine particle atomizer is inserted into the ant channel, the soil-dwelling termite pesticide is heated and gasified by the ultrafine particle atomizer to form micro particles with the average diameter of 0.2-0.4 mu m, and the micro particles are injected into an ant nest to achieve the purpose of preventing and controlling the ant damage; the using amount of the termite pesticide for soil cultivation is 2 ml/m; carrying out ultraviolet irradiation for 3 times after applying the soil termite biocide for 5 days; the technological parameters of ultraviolet irradiation are as follows: the power of the ultraviolet lamp tube is 50W, the wavelength is 253.7nm, and the irradiation intensity is 100 muW/cm 2 And the irradiation time is 2.5 h.
Table 6 below shows the statistical results of the control effects of the toxic gas injection on soil-dwelling termites in this example
TABLE 6
Figure DEST_PATH_IMAGE008
Comparative example 3
A method for fumigating and killing soil-dwelling termites by smoke comprises the following steps:
(1) preparation of the medicament: mixing the components for forming the medicament to obtain the medicament; the medicament consists of the following components in parts by weight: 13 parts of d-phenothrin, 11 parts of fenpropathrin, 6 parts of fenvalerate, 2 parts of ethofenprox, 1.9 parts of 4.3% high-chlorine emamectin benzoate and 0.2 part of a pyrethroid medicament photodegradation catalyst;
the pyrethroid medicament photodegradation catalyst is used for assisting pyrethroid medicaments to degrade under the irradiation of ultraviolet light, and is modified nano ceramic; the modified nano ceramic is nano ceramic loaded with copper oxide and silver oxide; the weight ratio of the copper oxide to the silver oxide to the nano ceramic is as follows: 0.2: 1.5: 9;
the preparation method of the modified nano ceramic comprises the following steps: 1) weighing copper oxide, silver oxide and nano ceramic according to the proportion, and then weighing a silicate inorganic adhesive, wherein the silicate inorganic adhesive and the nano ceramic are in parts by weight: 1: 12; 2) mixing a silicate inorganic adhesive, copper oxide, silver oxide and nano ceramic, performing ultrasonic dispersion, roasting at 350 ℃ for 2.5 hours, cooling to room temperature, and crushing to obtain the modified nano ceramic;
(2) preparing an atomizing agent: uniformly mixing all components for forming the atomizing agent to obtain the atomizing agent; the atomizing agent consists of the following components in parts by weight: 32 parts of polyoxyethylene ether, 11 parts of undecyl alcohol and 12 parts of trimethylolpropane;
(3) preparing a soil termite insecticide: mixing the components for forming the soil-dwelling termite biocide to obtain the soil-dwelling termite biocide; the soil-inhabiting termite insecticide comprises the following components in percentage by weight: 2wt/%, 4wt/%, 9wt/%, 4wt/%, and the balance water;
the surfactant is fatty alcohol polyoxyethylene ether sodium sulfate and lauryl alcohol sodium sulfate in a volume ratio of 1: 1;
the cosolvent consists of 95% ethanol and acetone in a volume ratio of 1: 1;
(4) controlling soil-inhabiting termites: 1) finding traces of activities, hazards and flying separation on the ground with the ant damage, and finding an ant track downwards along the traces; 2) the soil-dwelling termite pesticide is filled into the ultrafine particle atomizer, the air outlet of the ultrafine particle atomizer is inserted into the ant channel, the soil-dwelling termite pesticide is heated and gasified by the ultrafine particle atomizer to form micro particles with the average diameter of 0.2-0.4 mu m, and the micro particles are injected into an ant nest to achieve the purpose of preventing and controlling the ant damage; the using amount of the termite pesticide for soil cultivation is 2 ml/m; carrying out ultraviolet irradiation for 3 times after applying the soil termite biocide for 5 days; the ultraviolet irradiation process parameters are as follows: the power of the ultraviolet lamp tube is 50W, the wavelength is 253.7nm, and the irradiation intensity is 100 muW/cm 2 The irradiation time is 2.5 h.
Table 7 below shows the statistical results of the control effects of the toxic gas injection on the soil-dwelling termites in this example
TABLE 7
Figure DEST_PATH_IMAGE002AAAA
Comparative example 4
A method for fumigating and killing soil-dwelling termites by smoke comprises the following steps:
(1) preparation of the medicament: mixing the components for forming the medicament to obtain the medicament; the medicament consists of the following components in parts by weight: 13 parts of d-phenothrin, 11 parts of fenpropathrin, 6 parts of fenvalerate, 2 parts of ethofenprox and 1.9 parts of 4.3% high-chlorine emamectin benzoate missible oil;
(2) preparing an atomizing agent: uniformly mixing all components for forming the atomizing agent to obtain the atomizing agent; the atomizing agent consists of the following components in parts by weight: 32 parts of polyoxyethylene ether, 11 parts of undecyl alcohol and 12 parts of trimethylolpropane;
(3) preparing a soil termite insecticide: mixing the components for forming the soil-inhabiting termite biocide to obtain the soil-inhabiting termite biocide; the soil-inhabiting termite insecticide comprises the following components in percentage by weight: 2wt/%, 4wt/%, 9wt/%, 4wt/%, and the balance water;
the surfactant is fatty alcohol polyoxyethylene ether sodium sulfate and lauryl alcohol sodium sulfate in a volume ratio of 1: 1;
the cosolvent consists of 95% ethanol and acetone in a volume ratio of 1: 1;
(4) and (3) controlling soil-dwelling termites: 1) finding traces of activities, hazards and flying separation on the ground with the ant damage, and finding an ant track downwards along the traces; 2) the soil-dwelling termite pesticide is filled into the ultrafine particle atomizer, the air outlet of the ultrafine particle atomizer is inserted into the ant channel, the soil-dwelling termite pesticide is heated and gasified by the ultrafine particle atomizer to form micro particles with the average diameter of 0.2-0.4 mu m, and the micro particles are injected into an ant nest to achieve the purpose of preventing and controlling the ant damage; the using amount of the termite pesticide for soil cultivation is 2 ml/m; carrying out ultraviolet irradiation for 3 times after applying the soil termite biocide for 5 days; the ultraviolet irradiation process parameters are as follows: the power of the ultraviolet lamp tube is 50W, the wavelength is 253.7nm, and the irradiation intensity is 100 muW/cm 2 The irradiation time is 2.5 h.
Table 8 below shows the statistical results of the control effects of the toxic gas injection on the soil-dwelling termites in this example
TABLE 8
Figure DEST_PATH_IMAGE002_5A
In the above examples 1 to 4 and comparative examples 1 to 4, before ultraviolet irradiation, soil at a test point was taken as a sample, and the amount of the pyrethroid drug residue was determined by detection; after the ultraviolet irradiation is carried out for 5 days, soil at the test point is taken as a sample, the gas chromatography is adopted for detection, the degradation condition of the pyrethroid medicaments is detected, and the measurement results are shown in the following table 9:
TABLE 9 pyrethroid degradation rate (%)
Item D-phenothrin Fenpropathrin Fenvalerate Ether chrysanthester
Example 1 94 95 96 95
Example 2 95 93 96 96
Example 3 95 92 95 94
Example 4 87 85 86 84
Comparative example 1 93 92 94 95
Comparative example 2 -- 93 -- --
Comparative example 3 45 36 55 52
Comparative example 4 0 0 0 0
According to the statistical result of the control effect of the soil-dwelling termites and the statistical result of the degradation of the pyrethroid medicaments, the method for fumigating the smoke of the soil-dwelling termites is characterized in that a medicament and an atomizing agent are mixed by using an ultramicron atomizer, and the liquid medicament is instantly gasified by a heating system to form tiny particles with the average diameter of 0.2-0.4 micron, so that the tiny particles can be suspended in the air for a long time, have excellent penetrability and adhesive property, are low in dosage, low in pesticide residue, low in pollution, safe, labor-saving and high in working efficiency; the combination of four pyrethroid insecticides of D-phenothrin, fenpropathrin, fenvalerate and ethofenprox enhances the ant killing effect, and the ant killing effect is better than that of a single pyrethroid insecticide; the soil-dwelling termite is more milky white, yellowish white and more tender, but has a layer of oil on the surface, only four pyrethroid insecticides of esfenpropathrin, fenvalerate and ethofenprox are difficult to permeate into the termite body, 4.3 percent of perchloro-emamectin benzoate missible oil is added for further improving the termite killing effect, and under the multiple action of the 4.3 percent of perchloro-emamectin benzoate missible oil and the four pyrethroid insecticides of esfenpropathrin, fenvalerate, esfenvalerate and ethofenprox, the insecticide can permeate into the termite body, thereby achieving the purpose of efficiently preventing and controlling the termite; the pyrethroid pesticide photodegradation catalyst is added to assist the pyrethroid pesticide to degrade under the irradiation of ultraviolet light, so that the pyrethroid pesticide has the advantages of less residual quantity of pesticide, less pollution, safety, labor saving and high work efficiency; the pyrethroid pesticide photodegradation catalyst is prepared by compounding methanol and nano ceramic loaded with copper oxide and silver oxide, can effectively decompose four pyrethroid insecticides of D-phenothrin, fenpropathrin, fenvalerate and ethofenprox simultaneously under the multiple actions of the methanol, the nano ceramic loaded with the copper oxide and the silver oxide and ultraviolet irradiation, and has the advantages of low pesticide residue and small pollution; optimizing the composition ratio of the atomizing agent to assist the liquid medicine to vaporize instantly to form micro particles with the average diameter of 0.2-0.4 mu m, wherein the time for suspending the atomized particles in the air reaches 135 min; isopropanol is added into the pyrethroid photodegradation catalyst, and under the multiple actions of methanol, isopropanol, nano ceramic loaded with copper oxide and silver oxide and ultraviolet irradiation, the decomposition effects of four pyrethroid insecticides of D-phenothrin, fenpropathrin, fenvalerate and ethofenprox are further improved, so that the pesticide residue is less and the pollution is less.
Although the invention has been described in detail hereinabove with respect to a general description and specific embodiments thereof, it will be apparent to those skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims (10)

1. A method for fumigating and killing soil-dwelling termites by smoke is characterized by comprising the following steps:
(1) preparation of the medicament: mixing the components for forming the medicament to obtain the medicament; the medicament consists of the following components in parts by weight: 12-15 parts of esfenpropathrin, 10-12 parts of fenpropathrin, 5-7 parts of fenvalerate, 1-3 parts of ethofenprox, 1.8-2.2 parts of 4.3% high-chlorine emamectin benzoate missible oil and 0.1-0.3 part of a pyrethroid drug photodegradation catalyst;
the catalyst for the photodegradation of the pyrethroid is used for assisting the degradation of the pyrethroid under the irradiation of ultraviolet light, and consists of the following components in parts by weight: 15-18 parts of methanol and 3-5 parts of modified nano ceramic; the modified nano ceramic is nano ceramic loaded with copper oxide and silver oxide; the weight ratio of the copper oxide to the silver oxide to the nano ceramic is as follows: 0.2: 1.5: 8-10;
(2) preparing an atomizing agent: uniformly mixing all components for forming the atomizing agent to obtain the atomizing agent; the atomizing agent consists of the following components in parts by weight: 30-35 parts of polyoxyethylene ether, 10-13 parts of undecyl alcohol and 10-15 parts of trimethylolpropane;
(3) preparing a soil termite biocide: mixing the components for forming the soil-dwelling termite biocide to obtain the soil-dwelling termite biocide; the soil-inhabiting termite insecticide comprises the following components in percentage by weight: 1-5 wt/percent of medicament, 3-6 wt/percent of atomizing agent, 8-12 wt/percent of surfactant, 3-12 wt/percent of cosolvent and the balance of water;
(4) controlling soil-inhabiting termites: 1) finding traces of activities, hazards and flying separation on the ground with the ant damage, and finding an ant track downwards along the traces; 2) and (2) filling the soil-dwelling termite pesticide into the ultrafine particle atomizer, inserting the air outlet of the ultrafine particle atomizer into the ant channel, heating and gasifying the soil-dwelling termite pesticide by the ultrafine particle atomizer to form micro particles with the average diameter of 0.2-0.4 mu m, and injecting the micro particles into the ant nest to achieve the purpose of preventing and controlling the ant damage.
2. The method of claim 1, wherein the agent of step (1) is comprised of the following ingredients in parts by weight: 13-15 parts of esfenpropathrin, 11-12 parts of fenpropathrin, 6-7 parts of fenvalerate, 2-3 parts of ethofenprox, 1.9-2.2 parts of 4.3% high-chlorine emamectin benzoate missible oil and 0.2-0.3 part of a pyrethroid drug photodegradation catalyst.
3. The method for fumigating and killing soil-dwelling termites with smoke as claimed in claim 1, wherein the pyrethroid drug photodegradation catalyst in the step (1) is composed of the following components in parts by weight: 16-18 parts of methanol and 4-5 parts of modified nano ceramic; the modified nano ceramic is nano ceramic loaded with copper oxide and silver oxide; the weight ratio of the copper oxide to the silver oxide to the nano ceramic is as follows: 0.2: 1.5: 9 to 10.
4. The method for smoke-killing soil-dwelling termites as claimed in claim 1, wherein the modified nanoceramic in step (1) is prepared by a method comprising the following steps: 1) weighing copper oxide, silver oxide and nano ceramic according to the proportion, and then weighing a silicate inorganic adhesive, wherein the silicate inorganic adhesive and the nano ceramic are in parts by weight: 1: 10-15; 2) mixing a silicate inorganic adhesive, copper oxide, silver oxide and nano ceramic, performing ultrasonic dispersion, roasting at 300-450 ℃ for 2-3 h, cooling to room temperature, and crushing to obtain the modified nano ceramic.
5. The method for fumigating and killing soil-dwelling termites with smoke as claimed in claim 1, wherein 5-8 parts by weight of isopropanol is further added into the pyrethroid photo-degradation catalyst in the step (1).
6. The method for fumigating termites inhabiting soil according to claim 1, wherein the atomizing agent in the step (2) is composed of the following components in parts by weight: 32-35 parts of polyoxyethylene ether, 11-13 parts of undecyl alcohol and 12-15 parts of trimethylolpropane.
7. The method for fumigating termites living in the soil as described in claim 1, wherein the surfactant in step (3) is one or more of sodium fatty alcohol-polyoxyethylene ether sulfate, ammonium fatty alcohol-polyoxyethylene ether sulfate and sodium lauryl sulfate.
8. The method of claim 1, wherein the co-solvent in step (3) consists of 95% ethanol and acetone in a volume ratio of 1: 1.
9. The method of claim 1, wherein the said soil-dwelling termite biocide of step (3) is comprised of the following components in weight percent: 2-5 wt/percent of medicament, 4-6 wt/percent of atomizing agent, 9-12 wt/percent of surfactant, 4-12 wt/percent of cosolvent and the balance of water.
10. The method according to claim 1, wherein the amount of the termiticide applied in step (4) is from 1 to 3ml/m for cultivation; carrying out ultraviolet irradiation for 2-3 times after applying the soil termite biocide for 5 days; the ultraviolet irradiation process parameters are as follows: the power of the ultraviolet lamp tube is 50W, the wavelength is 253.7nm, and the irradiation intensity is 90-110 mu W/cm 2 And the irradiation time is 2-3 h.
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