CN115886025A - Seed treatment agent containing penflufen and clothianidin and application thereof - Google Patents
Seed treatment agent containing penflufen and clothianidin and application thereof Download PDFInfo
- Publication number
- CN115886025A CN115886025A CN202211309199.7A CN202211309199A CN115886025A CN 115886025 A CN115886025 A CN 115886025A CN 202211309199 A CN202211309199 A CN 202211309199A CN 115886025 A CN115886025 A CN 115886025A
- Authority
- CN
- China
- Prior art keywords
- seed treatment
- agent
- clothianidin
- penflufen
- seed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000005888 Clothianidin Substances 0.000 title claims abstract description 34
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- 239000005815 Penflufen Substances 0.000 title claims abstract description 30
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Classifications
-
- 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 seed treatment agent containing penflufen and clothianidin, which comprises the following active ingredients in percentage by weight, namely 0.2-10% of penflufen, 1-8% of azoxystrobin or fludioxonil, and 5-30% of clothianidin. The seed treatment agent is used for treating crop seeds, can realize simultaneous prevention and control of crop diseases and insect pests, has a remarkable promoting effect, can remarkably reduce the using dosage of active ingredients, and slows down the generation of drug resistance of the diseases and the insect pests.
Description
Technical Field
The invention relates to the technical field of pesticides, and particularly relates to a seed treatment agent containing penflufen and clothianidin and application thereof.
Background
The seed treatment agent is a pesticide preparation with film-forming property for treating crop or other plant seeds. The conventional seed treating agent is prepared by processing raw pesticide (insecticide, bactericide, hormone, seed fertilizer and the like), a film-forming agent, a wetting agent, a dispersing agent, a penetrating agent and other auxiliary agents, and can be coated on the surface of seeds directly or after being diluted to form a water-based suspension preparation with a protective film with certain strength and permeability. There is no report in the prior art about the use of penflufen, azoxystrobin or fludioxonil and clothianidin for crop seed treatment.
The penflufen is a novel pyrazole amide bactericide developed in recent years, and has the effects of protection, treatment, systemic absorption, transportation and the like. The bactericide is Succinate Dehydrogenase (SDH) inhibitor, and mainly acts on respiratory chain electron transfer complex II to block energy metabolism. Can prevent and treat seed-borne and soil-borne basidiomycetes and ascomycetes diseases, mainly potato black nevus, wheat sharp eyespot, rice sheath blight and the like caused by rhizoctonia, and also wheat loose smut, wheat stinking smut, corn small spot and the like. The treated seeds can absorb penflufen in the germination process and conduct the penflufen to other parts of the plant body through xylem, so that the crop protection effect is achieved.
Azoxystrobin is a novel high-efficiency strobilurin fungicide, has the activity of protection, treatment, eradication, permeation and systemic, and can destroy the energy synthesis of germs by inhibiting the respiratory action of the germs to enable the germs to lose vitality. Azoxystrobin has broad-spectrum bactericidal activity, has good bactericidal activity on dozens of diseases such as powdery mildew, rust disease, scab, net blotch, downy mildew, rice blast and the like of almost all fungoid (ascomycetes, basidiomycetes, oomycetes and fungi imperfecti), is suitable for various crops such as grains, vegetables, rice, fruit trees and the like, and has good crop safety and outstanding environmental compatibility.
Fludioxonil is a broad-spectrum contact fungicide, is used as a foliar fungicide for preventing and treating rhizoctonia solani and the like, and has a special effect on gray mold; when used as seed treating agent, it can prevent and treat most of seed bacteria and soil-borne fungal diseases. Is stable in soil, and forms a protective area at the rhizosphere of seeds and seedlings to prevent the invasion of pathogenic bacteria. The structure is novel, and the cross resistance with other bactericides is not easy to occur.
Clothianidin belongs to a neonicotinoid insecticide, is a novel insecticide with high efficiency, safety and high selectivity, mainly acts on a nicotinic acetylcholine receptor (nAChR), is an agonist of the nAChR, can selectively inhibit the nAChR of an insect nervous system, enables ACh not to be combined with AChR, further blocks the normal conduction of insect central nervous system signals, causes insect paralysis to die, and has contact poisoning, stomach toxicity and systemic activity. The insecticidal composition is mainly used for preventing and treating hemiptera, coleopteran, dipteran and certain lepidopteran pests such as aphids, leafhoppers, thrips, plant hoppers and the like on rice, vegetables, fruit trees and other crops, and has the characteristics of high efficiency and broad spectrum.
The applicant researches and discovers that the combination of clothianidin and compound bactericide (penflufen and azoxystrobin/fludioxonil) can remarkably enhance the insecticidal or bactericidal effect, has a remarkable promoting effect, can remarkably reduce the use dosage of active ingredients, and can slow down the occurrence of pest and disease resistance, and meanwhile, the combination of the insecticide and the bactericide has the effect of facilitating the use of medicines.
Disclosure of Invention
The invention aims to provide a seed treatment agent containing penflufen and clothianidin and application thereof. The specific technical scheme is as follows:
a seed treatment agent containing penflufen and clothianidin comprises the following active ingredients, by weight, 0.2-10% of penflufen, 1-8% of azoxystrobin or fludioxonil, and 5-30% of clothianidin.
Preferably, in the seed treatment agent, the penflufen is 0.5-5%, the azoxystrobin or fludioxonil is 1-6%, and the clothianidin is 10-20%.
Preferably, in the seed treatment agent, the penflufen is 1%, the azoxystrobin is 4%, and the clothianidin is 19%.
In the seed treatment agent, the penflufen is 1 percent, the fludioxonil is 2 percent, and the clothianidin is 19 percent.
The seed treatment agent also comprises auxiliary material components acceptable in pesticide. Can be prepared into a proper preparation; preferred formulations are seed treatment suspensions, seed treatment emulsions, seed treatment liquids, solid seed treatment dispersible powders, seed treatment dry powders, seed treatment soluble powders. Preferably, the auxiliary materials in the seed treatment agent are selected from: wetting agent, dispersant, film forming agent, colorant, thickener, antifreeze, antiseptic, defoamer, emulsifier, water, filler, organic solvent in one or more combinations. The auxiliary materials are all common auxiliary materials in the field. Particularly preferred formulations are seed treatment suspending agents.
The wetting agent and the dispersing agent are preferably one or more of fatty alcohol polyoxyethylene ether, alkylphenol polyoxyethylene ether, polyoxyethylene fatty acid, alkylaryl polyglycol ether, alkyl sulfonate, aryl sulfonate, fatty acid polyethylene glycol, dodecyl benzene sulfonate, polyoxyethylene phenol formaldehyde condensate, naphthalene or alkyl naphthalene formaldehyde condensate sulfonate, fatty alcohol polyoxyethylene ether sulfonate, alkylphenol polyoxyethylene ether sulfonate, lignin and derivative sulfonate thereof, alkylphenol polyoxyethylene ether phosphate, alkylphenol polyoxyethylene ether formaldehyde condensate sulfate and nekal.
In order to ensure that limited pesticide components are intensively applied to seeds and roots, the components are not easy to fall off and scatter, the diffusion of pesticides in the environment and the contact of non-targets are reduced, and the suspension seed treatment agent also needs to comprise a film forming agent. The film-forming agent not only ensures that the prepared film has good air permeability and water permeability and the seeds normally germinate and grow, but also ensures that the prepared film is insoluble in water, the active ingredients in the film can be slowly released, and the lasting time is long. The film forming agent is preferably one or more than two of methyl cellulose, ethyl cellulose, sodium carboxymethyl cellulose, hydroxypropyl cellulose, sodium alginate, polyvinyl alcohol, polyethylene glycol, polyvinylpyrrolidone, polyacrylamide and sodium polyacrylate.
The coloring agent is also called as a policeman agent, and can improve the use safety of the suspended seed treatment agent, wherein the coloring agent is preferably one or more than two of aqueous rose bengal, acid scarlet, red-8110, red-131 and FGR-131.
The seed treatment agent of the present invention further comprises a thickener to increase the viscosity of the dispersion medium and reduce the settling rate of the particles, thereby improving the stability of the formulation. Preferably, the tackifier is one or more than two of acacia gum, animal glue, pectin, xanthan gum, magnesium aluminum silicate and bentonite.
In order to improve the low-temperature storage stability of the seed treatment agent, the seed treatment agent is also added with an antifreezing agent. Preferably, the antifreeze is one or more of ethylene glycol, propylene glycol, glycerol, hexanediol, urea, ammonium sulfate, sodium chloride and calcium chloride.
Preferably, the defoaming agent is one or more of organic silicon, C8-10 fatty alcohol, silicon, C10-20 saturated fatty acid and ester thereof;
the preservative is one or more than two of benzoic acid, benzaldehyde, sodium benzoate, potassium sorbate and sodium salicylate.
The preferred seed treatment suspension formulation is as follows:
0.5-5% of fluxapyroxad, 1-6% of azoxystrobin or fludioxonil, 10-20% of clothianidin, 1-5% of an antifreezing agent, 1-10% of a wetting dispersant, 1-4% of a thickening agent, 1-5% of a film forming agent, 0.1-6% of a coloring agent, 0.1-1% of a preservative, 0.1-1% of an antifoaming agent and the balance of water to 100%.
The preparation method of the seed treatment suspending agent comprises the following steps: the active ingredients are subjected to air flow crushing, wetting, dispersing agent, film forming agent, coloring agent, thickening agent, antifreezing agent, preservative, defoaming agent and water are completely mixed, and then the mixture is put into a sand mill to be ground according to a proportion until the particle fineness of the suspension reaches D90 which is less than or equal to 4 mu m, and the product is obtained.
The seed treatment suspending agent prepared by the invention is flowable suspension, the low-temperature and heat storage stability is qualified, the suspension rate is more than 95%, and the particle fineness D90 is less than or equal to 4 mu m.
The seed treatment agent is used for treating crop seeds. The crop seeds are rice, wheat, corn, cotton, peanut and potato crop seeds; is used for preventing and controlling crop diseases and insect pests. The diseases and insect pests comprise banded sclerotial blight, black nevus, root rot, take-all disease, smut and corn stalk rot; aphids, grubs, wireworms and thrips.
The invention also provides the following technical scheme:
clothianidin is used for enhancing the control effect of the bactericide combination of penflufen and azoxystrobin/fludioxonil on rice sheath blight.
The bactericide combination of the penflufen and the azoxystrobin/fludioxonil is used for enhancing the control effect of clothianidin on rice thrips.
The beneficial technical effects are as follows:
the seed treatment agent prepared by the invention is used for treating crop seeds, can realize simultaneous prevention and control of crop diseases and insect pests, has a remarkable promoting effect, can remarkably reduce the using dosage of active ingredients, and slows down the generation of drug resistance of the diseases and the insect pests.
Detailed Description
The present invention will be further explained with reference to specific embodiments.
Example 1.1 indoor testing of compounded Agents on Rhizoctonia solani
Test strains: rhizoctonia solani (Rhizoctonia solani); and (4) separating, identifying and storing in a laboratory for field collection in a test field.
Reagent to be tested: the raw materials are prepared by using commercially available raw materials.
The test method comprises the following steps: the hyphal growth rate method is adopted for testing. Adding quantitative medicament according to the set mass concentration to prepare a toxic culture medium containing different dosages, inoculating the rhizoctonia solani cakes with the diameter of 5mm after the toxic culture medium is fully cooled, and setting blank control without medicament, wherein the treatment is repeated for 3 times. Culturing the inoculated plate in an incubator (25 ℃), measuring the growth diameter of a bacterial colony by adopting a cross method after 72 hours, and then calculating the bacteriostasis rate
Bacteriostatic ratio (%) = (control colony growth diameter-treated colony growth diameter)/control colony growth diameter × 100.
And (3) testing results: as can be seen from Table 1, the penflufen and the azoxystrobin/fludioxonil/pyraclostrobin compound pair has excellent control effect on rice sheath blight bacteria, and can remarkably inhibit the hypha growth of rice sheath blight bacteria. Clothianidin, dinotefuran and thiamethoxam belong to neonicotinoid insecticides, and the concentration of the neonicotinoid insecticides is 40mg/L, so that the neonicotinoid insecticides have no inhibition effect on the growth of rice sheath blight hyphae. After the compound bactericide (fluxapyroxad and azoxystrobin/fludioxonil/pyraclostrobin compound) is respectively combined with clothianidin, dinotefuran and thiamethoxam, the ternary compound medicament shows different effects on the hypha growth of rhizoctonia solani. Compared with dinotefuran or thiamethoxam compounding, after the compound bactericide (fluxapyroxad and azoxystrobin/fludioxonil are compounded) and clothianidin are compounded, the inhibition effect of the bactericide on the growth of hyphae of rhizoctonia solani is improved, and the control effect of the bactericide and the compound bactericide is very obvious in difference. After the compound bactericide (compounded by triflumizole aniline and azoxystrobin/fludioxonil) and dinotefuran or thiamethoxam, the inhibition effect of the compound bactericide is not obviously different from that of the compound bactericide; in addition, after the penflufen and the pyraclostrobin are compounded, the inhibition effect of the bactericide on the hypha growth of rhizoctonia solani is not obviously enhanced by combining the clothianidin, dinotefuran and thiamethoxam respectively. The specific mechanism is yet to be further studied.
TABLE 1.1 indoor testing of the compounded Agents on Rhizoctonia solani
EXAMPLE 1.2 indoor testing of Compound Agents against Leporium potamoeba
Test strains: rhizoctonia solani of potato black nevus; and (5) separating, identifying and storing in a laboratory for field collection in a test field.
Reagent to be tested: the raw materials are prepared by using commercially available raw materials.
The test method comprises the following steps: indoor toxicity was determined by growth rate method. Firstly, culturing a test strain on a PDA culture medium plate for 5 days for later use, uniformly beating bacterial cakes with the diameter of 5mm on the cultured bacterial colonies by using a puncher, respectively inoculating the bacterial cakes on drug-containing culture medium plates treated by different mass concentrations of various test drugs, performing blank control without adding the drugs, and finally placing the test treatment in a biochemical incubator (25 ℃) for culture. And measuring the growth diameter of the bacterial colony by adopting a cross method, and then calculating the bacteriostasis rate.
Bacteriostatic ratio (%) = (control colony growth diameter-treated colony growth diameter)/control colony growth diameter × 100.
Evaluation of the combined Effect of Agents Using CTC values
And (3) testing results: as can be seen from the table 1.2, the mass ratio of the penflufen to the fludioxonil is 1. As can be seen from the table 1.3, the mass ratio of the penflufen to the azoxystrobin is 1. When the composition shows synergistic effect, the use dosage of active ingredients can be effectively reduced, and the generation of drug resistance of diseases is slowed down.
TABLE 1.2 Combined Effect of Fluxapyroxad and Pyrolusitum on Leporis potamonas
TABLE 1.3 Combined action of Fluxapyroxad and azoxystrobin on Leporium niveum
EXAMPLE 2 formulation
24% suspension concentrate for seed treatment of fluoro-pyrimethanil and thiamine
1% of penflufen, 4% of azoxystrobin, 19% of clothianidin, 3% of sodium lignosulfonate, 2% of sodium dodecyl benzene sulfonate, SP-2700 2%, 2% of polyvinyl alcohol, 0.5% of potassium sorbate, 2% of propylene glycol, 0.15% of xanthan gum, 0.2% of acid scarlet, 0.5% of organic silicone oil and the balance of deionized water to 100%.
32% suspension concentrate for seed treatment of fluoro-pyrimethanil
10% of penflufen, 2% of azoxystrobin, 20% of clothianidin, 2% of sodium lignosulfonate, 4% of sodium dodecyl benzene sulfonate, SP-2700, 3% of polyvinyl alcohol, 0.8% of potassium sorbate, 1.5% of propylene glycol, 0.2% of xanthan gum, 0.5% of acid scarlet, 0.5% of silicone oil and the balance of deionized water to 100%.
25% of fluorine-pyrimidine-thiamine seed treatment suspending agent
5% of penflufen, 5% of azoxystrobin, 15% of clothianidin, 1% of sodium lignosulfonate, 3% of sodium dodecyl benzene sulfonate, SP-2700 2%, 2% of polyvinyl alcohol, 0.5% of potassium sorbate, 2% of propylene glycol, 0.1% of xanthan gum, 0.5% of acid scarlet, 0.5% of organic silicone oil and the balance of deionized water to 100%.
37% of fluorine pyrrole thiamine seed treatment suspending agent
4% of fluxapyroxad aniline, 3% of fludioxonil, 30% of clothianidin, 5% of nekal, 3% of sodium dodecyl sulfate, SP-2700, 2.5% of polyvinyl alcohol, 1% of sodium benzoate, 3% of ethylene glycol, 0.15% of xanthan gum, 0.2% of acid scarlet, 0.5% of organic silicone oil and deionized water for making up 100%.
25% of fluorine pyrrole thiamine seed treatment suspending agent
8% of fluxapyroxad aniline, 2% of fludioxonil, 15% of clothianidin, 3% of nekal, 2% of sodium dodecyl sulfate, SP-2700, 3% of polyvinyl alcohol, 0.5% of sodium benzoate, 2% of ethylene glycol, 0.15% of xanthan gum, 0.8% of acid scarlet, 1% of organic silicone oil and deionized water for making up 100%.
22% fluorine, pyrrole and thiamine seed treatment suspending agent
Fluxapyroxad aniline 1%, fludioxonil 2%, clothianidin 19%, nekal 4%, sodium dodecyl sulfate 2%, SP-2700 2%, polyvinyl alcohol 2.5%, sodium benzoate 0.1%, ethylene glycol 3%, xanthan gum 0.2%, acid scarlet 0.8%, silicone oil 0.3%, and deionized water to make up 100%.
Example 3.1 field control of Compound Agents on Rice pests
And (3) testing crop diseases and insect pests: rice sheath blight disease, rice thrips.
Testing the medicament:
treatment 1
For 1: 1% of penflufen, 4% of azoxystrobin, 3% of sodium lignosulfonate, 2% of sodium dodecyl benzene sulfonate, SP-2700 2%, 2% of polyvinyl alcohol, 0.5% of potassium sorbate, 2% of propylene glycol, 0.15% of xanthan gum, 0.2% of acid scarlet, 0.5% of organic silicone oil and the balance of deionized water to 100%.
For the pair 2: 19% of clothianidin, 3% of sodium lignosulfonate, 2% of sodium dodecyl benzene sulfonate, SP-2700 2%, 2% of polyvinyl alcohol, 0.5% of potassium sorbate, 2% of propylene glycol, 0.15% of xanthan gum, 0.2% of acid scarlet, 0.5% of organic silicone oil and deionized water for making up 100%.
And (3) treatment 2:22% fluorine, pyrrole and thiamine seed treatment suspending agent
For 3: fluxapyroxad aniline 1%, fludioxonil 2%, nekal 4%, sodium dodecyl sulfate 2%, SP-2700 2%, polyvinyl alcohol 2.5%, sodium benzoate 0.1%, ethylene glycol 3%, xanthan gum 0.2%, acid scarlet 0.8%, organic silicone oil 0.3%, and deionized water to make up 100%.
For 4: 19% of clothianidin, 4% of nekal, 2% of sodium dodecyl sulfate, SP-2700, 2.5% of polyvinyl alcohol, 0.1% of sodium benzoate, 3% of ethylene glycol, 0.2% of xanthan gum, 0.8% of acid scarlet, 0.3% of organic silicon oil and the balance of deionized water to 100%.
The test method comprises the following steps: preparing the germination accelerating white seeds into uniform liquid medicine according to the seed liquid medicine ratio of 80: 1, spraying the liquid medicine on the seeds, stirring and spraying at the same time to uniformly color the seeds, spreading the seeds in a ventilated and cool place, airing and sowing. Cell area 50m 2 (ii) a This was repeated three times.
The investigation method comprises the following steps:
1) Investigation of rice thrips prevention: investigation is carried out 30 days after sowing, a 5-point sampling method is adopted in each district, each point is investigated by 25cm multiplied by 25cm, the total leaf number and the number of thrips harming scroll tips are counted, and the scroll tip rate and the control effect are counted.
Tip rolling ratio = number of tips rolled/total number of leaves investigated × 100%;
control effect = (blank control area rolling tip rate-medicament treatment area rolling tip rate)/blank control area rolling tip rate × 100%.
2) And (5) investigating rice sheath blight disease. And (4) investigating the incidence of the sheath blight every 7d from the end of tillering, investigating twice in total, and counting and calculating the prevention effect of the second time. The specific investigation method and disease index grading refer to GB/T17980.20-2000.
And (3) testing results: the bactericide or the insecticide is used for seed treatment alone, and only single insect pest or disease can be controlled; the two are combined for use to simultaneously control insect pests and diseases of rice. The control effect of the combination of the bactericide (comparison 1 and comparison 3) used alone on the rice sheath blight disease is 74.6 percent and 84.8 percent respectively; after the bactericide and the insecticide are combined, the control effect of the treatment 1 and the treatment 2 on the rice sheath blight disease is as high as 82.6 percent and 90.4 percent. The control effect on thrips oryzae by using the combination of the insecticides alone (comparative 2 and 4) was 80.4% and 84.9%, respectively; after the bactericide and the insecticide are combined, the control effect of the treatment 1 and the treatment 2 on the thrips oryzae is as high as 90.6 percent and 93.5 percent.
In addition, by adopting dinotefuran and thiamethoxam as comparative tests, tests show that the dinotefuran and thiamethoxam have no obvious and no obvious enhancement effect on the bactericide composition (fluxapyroxad and azoxystrobin/fludioxonil/pyraclostrobin compound); and the combination of the bactericide (the triflumizole aniline and the azoxystrobin/fludioxonil/pyraclostrobin compound) does not enhance the control effect of dinotefuran and thiamethoxam on rice thrips. After the penflufen and the pyraclostrobin are compounded, the synergistic effect on banded sclerotial blight and rice thrips is avoided after the clothianidin, the dinotefuran and the thiamethoxam are combined. The specific mechanism is yet to be further studied.
TABLE 2.1 field control of rice pests with compounded agents
Example 3.2 field Effect test of Compound drug on Potato Black nevus disease
And (3) testing crop diseases: potato black nevus.
Testing the medicament: same as in example 3.1
The test method comprises the following steps: sowing potato in field by adopting double-row high-ridge film-covering cultivation mode, repeating for 4 times, randomly arranging in blocks, and obtaining 50m small area 2 . The application method adopts the pre-sowing pesticide and mixed with the seed potatoes for treatment, the incidence of black nevus disease of the potato blocks is investigated during harvesting, 30 potatoes are harvested in each cell, the incidence of black nevus disease of the potato blocks is investigated, and the disease level is divided according to the area of disease spots in the whole potato blocks:
level 0: the potato blocks have no disease spots;
stage 1: the disease spot is small, and the area of the disease spot accounts for less than 5% of the surface area of the whole potato block;
and 3, stage: the disease spots are small, and the area of the disease spots accounts for 6-10% of the surface area of the whole potato block;
stage 5: the disease spots are smaller or individually larger, and the area of the disease spots accounts for 11 to 25 percent of the surface area of the whole potato block;
and 7, stage: the sizes of the disease spots are distributed, and the area of the disease spots accounts for 26-50% of the surface area of the whole potato block;
and 9, stage: the sizes of the disease spots are distributed, and the area of the disease spots accounts for more than 51 percent of the surface area of the whole potato block.
Disease index = Σ (number of diseased potatoes at each level × relative level value)/(total investigated potatoes × 9) × 100; the prevention and treatment effect of the black nevus tuberosus disease/% = [ (control area disease index-treatment area disease index)/control area disease index ] × 100.
And (3) testing results: the control effects of the combination of the bactericide (comparison 1 and comparison 3) used alone on the potato black nevus are 80.2 percent and 87.3 percent respectively; after the bactericide and the insecticide are combined, the prevention effect of the treatment 1 and the treatment 2 on the potato black nevus is up to 88.5 percent and 94.1 percent.
TABLE 2.2 field Effect test of compound drug on potato black nevus disease
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same.
Claims (10)
1. The seed treatment agent containing penflufen and clothianidin is characterized by comprising the following active ingredients, by weight, 0.2-10% of penflufen, 1-8% of azoxystrobin or fludioxonil, and 5-30% of clothianidin.
2. The seed treatment agent according to claim 1, comprising the following active ingredients, by weight, fluxapyroxad 0.5-5%, azoxystrobin or fludioxonil 1-6%, and clothianidin 10-20%.
3. The seed treatment agent according to claim 1 or 2, further comprising a pesticidally acceptable adjuvant ingredient.
4. The seed treatment agent according to claim 3, wherein the dosage form is a seed treatment suspension, a seed treatment emulsion, a seed treatment liquid, a solid seed treatment dispersible powder, a seed treatment dry powder, a seed treatment soluble powder.
5. The seed treatment agent according to claim 3, wherein the auxiliary materials in the seed treatment agent are selected from the group consisting of: wetting dispersant, film forming agent, colorant, thickener, antifreeze, antiseptic, defoamer, emulsifier, water, filler, organic solvent in at least one.
6. The seed treatment agent according to claim 5, wherein the dosage form is a seed treatment suspending agent, and the suspending agent comprises 0.5-5% of penflufen, 1-6% of azoxystrobin or fludioxonil, 10-20% of clothianidin, 1-5% of an antifreezing agent, 1-10% of a wetting dispersant, 1-4% of a thickening agent, 1-5% of a film forming agent, 0.1-6% of a coloring agent, 0.1-1% of a preservative, 0.1-1% of an antifoaming agent and the balance of water to 100%.
7. Use of a seed treatment according to any one of claims 1 to 5 for seed treatment of crops.
8. The use according to claim 6, wherein the crop seed is rice, wheat, corn, cotton, peanut, potato crop seed.
9. Use according to claim 8 for the control of crop diseases and pests.
10. The use according to claim 8, wherein the disease or pest includes banded sclerotial blight, black nevus, root rot, take-all, smut, corn stalk rot; aphids, grubs, wireworms and thrips.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211309199.7A CN115886025A (en) | 2022-10-25 | 2022-10-25 | Seed treatment agent containing penflufen and clothianidin and application thereof |
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| CN115886025A true CN115886025A (en) | 2023-04-04 |
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| CN202211309199.7A Pending CN115886025A (en) | 2022-10-25 | 2022-10-25 | Seed treatment agent containing penflufen and clothianidin and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102307478A (en) * | 2009-02-11 | 2012-01-04 | 巴斯夫欧洲公司 | Pesticidal mixtures |
| CN104872168A (en) * | 2015-06-17 | 2015-09-02 | 广东中迅农科股份有限公司 | Suspended seed coating containing fludioxonil, azoxystrobin and clothianidin |
| CN105410005A (en) * | 2015-11-18 | 2016-03-23 | 广东中迅农科股份有限公司 | Suspension seed coating concentrate containing triflumizole aniline, fludioxonil and thiamethoxam |
| CN105432650A (en) * | 2015-11-18 | 2016-03-30 | 广东中迅农科股份有限公司 | Suspension seed coating for treating peanut seeds |
| CN105901012A (en) * | 2016-06-08 | 2016-08-31 | 广东中迅农科股份有限公司 | Suspended seed coating prepared from pyraclostrobin, penflufen and clothianidin |
| CN108029693A (en) * | 2017-12-27 | 2018-05-15 | 青岛奥迪斯生物科技有限公司 | A kind of bactericidal composition containing fluorine azoles bacterium aniline, Fluoxastrobin and fludioxonil |
| CN108294007A (en) * | 2017-12-27 | 2018-07-20 | 青岛奥迪斯生物科技有限公司 | A kind of bactericidal composition containing fluorine azoles bacterium aniline, Fluoxastrobin |
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2022
- 2022-10-25 CN CN202211309199.7A patent/CN115886025A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102307478A (en) * | 2009-02-11 | 2012-01-04 | 巴斯夫欧洲公司 | Pesticidal mixtures |
| CN104872168A (en) * | 2015-06-17 | 2015-09-02 | 广东中迅农科股份有限公司 | Suspended seed coating containing fludioxonil, azoxystrobin and clothianidin |
| CN105410005A (en) * | 2015-11-18 | 2016-03-23 | 广东中迅农科股份有限公司 | Suspension seed coating concentrate containing triflumizole aniline, fludioxonil and thiamethoxam |
| CN105432650A (en) * | 2015-11-18 | 2016-03-30 | 广东中迅农科股份有限公司 | Suspension seed coating for treating peanut seeds |
| CN105901012A (en) * | 2016-06-08 | 2016-08-31 | 广东中迅农科股份有限公司 | Suspended seed coating prepared from pyraclostrobin, penflufen and clothianidin |
| CN108029693A (en) * | 2017-12-27 | 2018-05-15 | 青岛奥迪斯生物科技有限公司 | A kind of bactericidal composition containing fluorine azoles bacterium aniline, Fluoxastrobin and fludioxonil |
| CN108294007A (en) * | 2017-12-27 | 2018-07-20 | 青岛奥迪斯生物科技有限公司 | A kind of bactericidal composition containing fluorine azoles bacterium aniline, Fluoxastrobin |
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