CN111134146A - Synergistic granule and preparation method and application thereof - Google Patents
Synergistic granule and preparation method and application thereof Download PDFInfo
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- CN111134146A CN111134146A CN201911368736.3A CN201911368736A CN111134146A CN 111134146 A CN111134146 A CN 111134146A CN 201911368736 A CN201911368736 A CN 201911368736A CN 111134146 A CN111134146 A CN 111134146A
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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
- A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
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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
- A01N25/12—Powders or granules
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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
- A01N51/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds having the sequences of atoms O—N—S, X—O—S, N—N—S, O—N—N or O-halogen, regardless of the number of bonds each atom has and with no atom of these sequences forming part of a heterocyclic ring
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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
- A01N53/00—Biocides, pest repellants or attractants, or plant growth regulators containing cyclopropane carboxylic acids or derivatives thereof
-
- 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
- A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
- A01N65/08—Magnoliopsida [dicotyledons]
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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
- A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
- A01N65/08—Magnoliopsida [dicotyledons]
- A01N65/28—Myrtaceae [Myrtle family], e.g. teatree or clove
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
Abstract
The invention provides a synergistic granule and a preparation method and application thereof, wherein the main effective components of the synergistic granule comprise clothianidin, cyfluthrin and plant essential oil, and also comprise an emulsifier and water-soluble nongfengbao particles, wherein the weight percentage of each component is 0.2% of clothianidin, 0.5% of cyfluthrin, 0.5-2% of plant essential oil, 0.2-0.5% of emulsifier and 100% of water-soluble nongfengbao particles; mixing clothianidin, cyfluthrin, plant essential oil and an emulsifier, grinding, spraying the mixture on the water-soluble granules of the agrofol and drying to obtain the pesticide composition; the obtained granules can be used for the traditional hole application and broadcast application, and can also be dissolved and diluted into emulsion by being mixed with water for spraying, root spraying or flushing application treatment, thereby providing a solution for preventing and killing underground pests with various application purposes of the medicament, and greatly improving the prevention and control effect on the underground pests.
Description
Technical Field
The invention relates to the technical field of pesticides, and particularly relates to a synergistic granule as well as a preparation method and application thereof.
Background
As is well known, the agricultural chemicals are classified into powder, wettable powder, emulsifiable concentrate, suspension and granules. Granule (GR) is a granular preparation processed by the aid of original drugs, carriers and other auxiliary agents.
The pesticide granules are generally applied in the early 50 s and the early 60 s and are widely used in Japan, and the later 60 s and are generally popularized and applied all over the world due to the development of environmental protection science, the development of granules in the later 70 s is mainly counted to be about 7 percent of the whole pesticide preparation, so the granules can become a common pesticide preparation because the granules have many incomparable characteristics of ① having directivity when being applied, leading the sprayed pesticide to fully reach target organisms and be safe to beneficial organisms such as natural enemies and the like, ② pesticide granules are not attached to stems and leaves of plants and avoid direct contact to generate pesticide damage, ③ has no dust flying when being applied, does not pollute the environment, ④ can reduce the body attachment or inhalation dosage of operators during the application process, avoids poisoning accidents, ⑤ enables high-toxicity pesticides to be low and avoids human poisoning, ⑥ can control the release speed of effective components in the granules, prolongs the service life, ⑦ is convenient to use, has better effect than other methods, and has better effect than the traditional method for single application.
Disclosure of Invention
The invention aims to solve the technical problem of providing a synergistic granule.
The invention also aims to provide a preparation method of the synergistic granule.
The invention also aims to provide application of the synergistic granule.
The technical scheme adopted by the invention is as follows:
the synergistic granule mainly comprises clothianidin, cyfluthrin and plant essential oil, and the weight ratio of the main effective components is 2: 5: 5-20.
The synergistic granule can be obtained by uniformly mixing and grinding.
Preferably, the synergistic granule also comprises an emulsifier and water-soluble nongfengbao particles (used as a carrier filler), wherein the weight percentage of each component is 0.2% of clothianidin, 0.5% of cyfluthrin, 0.5-2% of plant essential oil, 0.2-0.5% of the emulsifier, and the water-soluble nongfengbao particles are added to 100%.
Preferably, in the synergistic granule, the plant essential oil is a mixture of eucalyptus oil, tea tree essential oil and mustard essential oil, wherein the weight percentages of the eucalyptus oil, the tea tree essential oil and the mustard essential oil are as follows: 9: 2: 1.
preferably, in the synergistic granule, the plant essential oil accounts for 1% by weight.
Preferably, the emulsifier is one or more of sodium dodecyl sulfate, secondary alkyl sodium sulfate, sodium dodecyl benzene sulfonate, calcium dodecyl benzene sulfonate, polyoxyethylene fatty acid ester, polyoxyethylene fatty alcohol ether, polyoxyethylene fatty ammonia, Nongru 0201B, Nongru 0203B, sodium lignosulfonate, nekal, calcium lignosulfonate, sodium laurate, sodium alkyl alcohol polyoxyethylene ether sulfate, octyl phenol polyoxyethylene ether sulfate, alkylphenol polyoxyethylene ether formaldehyde condensate sulfate, sodium alkyl sulfonate, sodium dodecyl benzene sulfonate, a penetrating agent JFC, a penetrating agent T and Tween 80.
Preferably, in the synergistic granule, the emulsifier accounts for 0.24% by weight.
Preferably, the synergistic granule is a water-soluble granule of nong feng bao, which is obtained from agricultural chemical industry ltd, Jilin province.
The preparation method of the synergistic granule comprises the following specific steps:
(1) mixing and dispersing clothianidin, cyfluthrin, vegetable essential oil and an emulsifier uniformly according to a proportion, then grinding in a sand mill, and filtering to obtain white viscous liquid, wherein the grinding particle size D90 to be detected is not more than 5 microns;
(2) spraying the water soluble granules on the water soluble granules, mixing uniformly, and drying with hot air at 70-90 deg.C.
The resulting synergistic granules had the appearance of shiny white granules. The synergistic granule can be applied to soil treatment by a broadcasting method, and can also be dissolved in water and diluted into emulsion to be applied to irrigated roots for soil treatment.
The synergistic granule is applied to the preparation of medicines for preventing and treating plant pests caused by underground pests.
Preferably, the plant insect pest is Athetis lepigone in a corn field or Stephania cepacia in a sugarcane field.
The invention has the beneficial effects that:
1. the neutral inert white crystalline particles are prepared by extracting and developing the water-soluble particles of the Nongfengbao serving as a filler and the Nongfengbao serving as a raw material through a special process, and have the characteristics of no odor, no toxicity, no residue, no moisture absorption, no color change, caking resistance, good water solubility, good fluidity, uniform color, no bag expansion, stable property and the like; and the nongfengbao is tested by the national authority department to be nontoxic. The water soluble pesticide granule features that in the presence of small amount of water, the water soluble pesticide granule can change free water into crystal water to inhibit the dissolution and capillary adsorption of water, resulting in hindered water exchange between crystal product and atmosphere and balanced water, so that the granule is maintained intact, has certain hardness and is not easy to break. Meanwhile, under the condition of a large amount of water, the nong Feng Bao granules can be dissolved in a small amount of heat in the water, are completely transparent, and can form emulsion after being added with a medicament, so that a plurality of schemes can be provided for the using method of the granules, and the purposes of one dosage form and multiple purposes can be realized.
2. The added plant essential oil is eucalyptus oil, tea tree essential oil and mustard essential oil: the eucalyptus oil has the special cool eucalyptus citriodora leaf fragrance and a few camphor smells, and has a certain repelling effect on pests; the tea tree essential oil has very strong antibacterial property and comprises bacteria, parasites, moulds and viruses; the mustard essential oil is extracted from cruciferous plants such as horseradish and mustard, contains isothiocyanate compounds as main components, contains allyl isothiocyanate with high content, has good biological activity on harmful microorganisms and pests, and is a high-quality biological fumigant. According to the invention, a large number of experimental tests show that the weight percentage of the eucalyptus oil, the tea tree essential oil and the mustard essential oil is 9: 2: 1, the essential oil mixture has the most obvious synergistic effect on the combination of clothianidin and cyfluthrin and has good synergistic effect.
In conclusion, the synergistic granule can be used for the traditional hole application and broadcasting, can also be dissolved and diluted into emulsion by being mixed with water for spraying, root spraying or flushing, provides a solution for preventing and killing underground pests with multiple use purposes of the medicament, and greatly improves the prevention and control effect on the underground pests.
Detailed Description
To further illustrate the present invention, reference is made to the following examples:
the invention is further illustrated by the following non-limiting examples, wherein the percentages are by weight and the amounts of the biologically active agents are in the form of active ingredient.
The plant essential oil in the following examples is a mixture of eucalyptus oil, tea tree essential oil and mustard essential oil, wherein the weight percentages of the eucalyptus oil, the tea tree essential oil and the mustard essential oil are as follows: 9: 2: 1.
example 1
Example 2
Example 3
The processing method of examples 1-3 was: the clothianidin, the cyfluthrin, the plant essential oil and the emulsifier are mixed and dispersed uniformly according to the proportion, then the mixture enters a sand mill for grinding, the grinding particle size D90 to be detected is less than or equal to 5 microns, the filtered white viscous liquid is sprayed on the agrofol particle filler and is mixed uniformly, then the white viscous liquid is dried by hot air at 70-90 ℃, and the appearance of the white granular material is oily white particles, namely the multifunctional synergistic granular material of 0.7 percent of clothianidin and cyfluthrin.
Example 4 (bioactive example)
The field efficacy test of the 0.7% clothianidin-cyfluthrin multifunctional synergistic granule for preventing and controlling athetis lepigone in corn is described in example 1.
1) Purpose of the experiment
Through field tests, the synergistic granule with 0.7 percent of clothianidin and cyfluthrin and multiple functions has strong control effect on the Athetis lepigone in a corn field, proper dosage and safety on corn.
2) Test conditions
Selection of test subjects, crops and varieties
Athetis lepigone (Athetis lepigone), corn, variety "Zhengdan 958m
Environmental conditions
The test is carried out in a Lianghong corn production field of a deep village farmer in Dingli town, Xiao, Anhui, and the area is 2 mu. Wheat is adopted as the previous crop of the test field, corn is sown in the field in 18-day stubbles after wheat harvest 6 months, in order to facilitate the generation of the two-point commission night system, wheat straws are directly sprinkled into the field, the corn is sown by using an accurate single-seed sowing machine, the row spacing is 0.5 m, the seed manure is sown at the same time, 24-8-10% of corn controlled release fertilizer is applied per mu, the corn seedlings are neat, and the management measures are consistent with the local production practice.
3) Experimental design and arrangement:
4) cell area and repetition: the cell area is 50m, and the repetition times are 4 times.
5) The application method comprises the following steps:
spreading, in order to ensure uniform application, fine soil (25kg/m) and the used medicament are uniformly mixed and then are uniformly spread in the whole field.
6) Time and frequency of application:
the medicine is applied 1 time in the morning of the low-age larvae of Athetis lepigone (7 months and 3 days), and the corn is in the 5-6 leaf stage.
7) Investigation, recording and measuring method
7.1) meteorological data
Rainstorm occurs 3-4 days before the application, and the temperature is 23.9-31.5 ℃, the average temperature is 26.4 ℃ and the relative humidity is 75% in the day of application. Three times of small to medium rain processes are carried out after the survey is finished, and the weather is alternate between cloudy and sunny, which is beneficial to the occurrence of the Athetis lepigone.
7.2) soil data
The corn field tested is flat, the soil quality is sandy soil, the fertility is medium, the content of organic matters is 1.4%, and the pH value is 7.8.
7.3) investigation method, time and number of times
Investigation time and number of times
The number of surviving insects was examined 3 days, 7 days, and 14 days (7 months, 6 days, 10 days, and 17 days) after the application of the drug, 4 times in total.
Investigation method
Sampling at 5 points per cell at a fixed point, wherein each sample point is 1 square meter (2 meters is multiplied by 0.5 meter along a single row of corn), checking the place where the athetis lepigone is hidden by 25 centimeters around the corn root by raking each plant, recording the number of larvae, and covering the original place by a covering without damaging the living environment.
Drug effect calculation method
Direct effect on crops
After the pesticide is applied, no phytotoxicity on the corn caused by the treatment of each pesticide is found in each investigation
8) Results and analysis:
TABLE 20.7% Thinserin-cyfluthrin granules for controlling Athetis lepigone in corn field
Test results show that the control effect of four medicament treatments on the athetis lepigone in the corn field is that the control effect is highest 7 days after the treatment, 3 days and 14 days after the treatment, and the low dose (1500g/667 m) of the medicament in example 1 is2) The control effect of the synergistic granule is always over 79 percent, the control effect of the synergistic granule for the multifunctional use of the thiamethoxam and the cyfluthrin of example 10.7 percent is increased along with the increase of the using dosage, and the high dosage and the medium dosage (3000, 2250g/667 m)2) The control effect of the composition reaches more than 83 percent in 3 days after the composition is applied, reaches more than 88 percent in 7 days after the composition is applied, and is still maintained at more than 85 percent in 14 days after the composition is applied, and the control effect is obviously higher than 0.7 percent of clothianidin-cyfluthrin common granules, 0.5 percent of clothianidin granules and 1 percent of cyfluthrin granules. The example shows that 10.7 percent of the thiamethoxam and cyfluthrin multifunctional synergistic granules have good synergistic performance.
Example 5 (bioactive example)
0.7 percent clothianidin-cyfluthrin multifunctional synergistic granule is used for preventing and controlling field pesticide effect tests (spraying method) of the athetis lepigone.
1) Purpose of the experiment
The 0.7 percent thiamethoxam-cyfluthrin multifunctional synergistic granule is a product developed by Shanxi Qixing pesticide Co Ltd, and is mainly used for preventing and treating the corn Athetis lepigone. In order to clarify the control effect, the application method is verified, and the field efficacy test of the pesticide is carried out in 2017 in Niuhou test base of cotton institute of agricultural academy of sciences of Shanxi province.
2) Test conditions
Test subjects: athetis lepigone (Moschler)
And (3) test crops: corn (jin dan 64) was provided by the group of corn subjects at the institute of cotton, academy of agricultural sciences, shanxi.
Environmental conditions:
the test is carried out in Niujia concave test base of cotton institute of agricultural sciences, Shanxi province, brown soil, moderate soil fertility, 1.45% of organic matter content and 7.5 of pH value. And (4) re-sowing corns (Jindan 64) after wheat and performing field management according to the conventional method.
3) Design and arrangement of experiments
4) Cell area and repetition:
cell area (number of plants): 66.7 m; the number of repetitions: 4 times.
5) Method, time and frequency of application
Summer corn is used for preventing and treating athetis lepigone, 30 kilograms of water is added into the preparation in the amount of each mu of the preparation in the example 1 according to the dosage of each mu of the preparation from the egg hatching peak to the larva stage, the uniform emulsion is diluted, then soil spraying is carried out, the rest granules are uniformly mixed with soil and broadcast for application, and the application is carried out for 1 time in 11 days after 7 months.
6) Investigation method, time and number of times
The control effect is adjusted for 1 time 15 days after the drug administration (7 months and 26 days).
And (4) control effect investigation: the total number of plants excluding the protection row in the cell was examined, and the number of damaged plants (including cut/dead plants, and partially damaged plants) was examined.
The drug effect calculation method comprises the following steps:
7) results and analysis:
7.1) direct impact on crops:
the field observation shows that the pesticide in the example 1 has no phytotoxicity to crops under the condition of using dosage in the test.
7.2) control of other pests:
under the test conditions, the test reagent example 1 is observed to have a combined treatment effect on corn armyworm, beet armyworm and small-field old apprehension, and is beneficial to the biological safety in the test area.
7.3) evaluation of the drug
Test agent example 1 field efficacy test results for control of athetis lepigone are shown in table 3. The investigation results show that the control effect of the three dose treatments (157.5, 236.25, 315 g/ha) in example 1 on the night line of Athetis lepigone is 84.91%, 90.39% and 94.18% respectively; the control agents of 0.7 percent of clothianidin-cyfluthrin common granules, 0.5 percent of clothianidin granules and 1 percent of cyfluthrin granules have control effects of 86.52 percent, 88.32 percent and 86.31 percent respectively. The experimental result shows that the soil spray treatment of the embodiment 1 also has good prevention effect, and the effect is also superior to that of a control medicament of 0.7 percent of clothianidin-cyfluthrin common granules, 0.5 percent of clothianidin granules and 1 percent of cyfluthrin granules. Thus, there is room for various methods of use for the granules of the invention.
TABLE 3 field test results after 15 days of drug action
| Processing number | Total plant number (plant) | Number of damaged plants (plant) | Control effect (%) |
| 1 | 162.50 | 1.95 | 84.91 |
| 2 | 162.50 | 1.25 | 90.39 |
| 3 | 162.00 | 0.75 | 94.18 |
| 4 | 160.00 | 1.70 | 86.52 |
| 5 | 160.00 | 1.50 | 88.32 |
| 6 | 160.00 | 1.75 | 96.31 |
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements made to the technical solution of the present invention by those skilled in the art without departing from the spirit of the present invention shall fall within the protection scope defined by the claims of the present invention.
Claims (9)
1. A synergistic granule, characterized in that: the main functional components comprise clothianidin, cyfluthrin and plant essential oil, and the weight ratio of the clothianidin to the cyfluthrin is 2: 5: 5-20.
2. The synergistic granule according to claim 1, wherein: the pesticide also comprises an emulsifier and water-soluble pesticide granules, wherein the components comprise, by weight, 0.2% of clothianidin, 0.5% of cyfluthrin, 0.5-2% of plant essential oil, 0.2-0.5% of the emulsifier, and the water-soluble pesticide granules are added to 100%.
3. Synergistic granules according to claim 1 or 2, characterized in that: the plant essential oil is a mixture of eucalyptus oil, tea tree essential oil and mustard essential oil, wherein the eucalyptus oil, the tea tree essential oil and the mustard essential oil are as follows by weight percent: 9: 2: 1.
4. the synergistic granule according to claim 2, wherein: the plant essential oil accounts for 1 percent by weight.
5. Synergistic granules according to claim 1 or 2, characterized in that: the emulsifier is one or more of sodium dodecyl sulfate, secondary alkyl sodium sulfate, sodium dodecyl benzene sulfonate, calcium dodecyl benzene sulfonate, polyoxyethylene fatty acid ester, polyoxyethylene fatty alcohol ether, polyoxyethylene fatty ammonia, Nongru 0201B, Nongru 0203B, sodium lignosulfonate, nekal, calcium lignosulfonate, sodium laurate sulfate, sodium alkyl alcohol polyoxyethylene ether sulfate, octyl phenol polyoxyethylene ether sulfate, alkylphenol polyoxyethylene ether formaldehyde condensate sulfate, sodium alkyl sulfonate, sodium dodecyl benzene sulfonate, a penetrating agent JFC, a penetrating agent T and Tween 80.
6. The synergistic granule according to claim 2, wherein: the weight percentage of the emulsifier is 0.24%.
7. A process for preparing the synergistic granule of claim 2, wherein: the method comprises the following specific steps:
(1) mixing and dispersing clothianidin, cyfluthrin, vegetable essential oil and an emulsifier uniformly according to a proportion, then grinding in a sand mill, and filtering to obtain white viscous liquid, wherein the grinding particle size D90 to be detected is not more than 5 microns;
(2) spraying the water soluble granules on the water soluble granules, mixing uniformly, and drying with hot air at 70-90 deg.C.
8. Use of the synergistic granules of claim 1 or 2 for the preparation of a medicament for controlling plant pests caused by subterranean pests.
9. Use of the synergistic granule according to claim 8, characterized in that: the plant insect pest is Athetis lepigone in a corn field or Stephania cepacia in a sugarcane field.
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| CN112321354A (en) * | 2020-10-28 | 2021-02-05 | 中诚国联（河南）生物科技有限公司 | Pesticide fertilizer granules for preventing and treating Chinese chive and Chinese chive maggots and preparation method thereof |
| CN112956480A (en) * | 2021-02-04 | 2021-06-15 | 四川眉山凯尔化工有限公司 | Pesticide raw material formula |
| CN113712050A (en) * | 2021-10-09 | 2021-11-30 | 四川宸煜林业开发有限责任公司 | Eucalyptus oil-containing plant protection additive and preparation method thereof |
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Application publication date: 20200512 |