Compounded seed coating agent containing pyraclostrobin, thifluzamide and dinotefuran and application
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A technology of pyraclostrobin and thifluzamide, which is applied in the field of pesticides, can solve the problems of high cost, heavy workload, environmental pollution, etc., achieve good fluidity and film-forming properties, improve the degree of dispersion, and facilitate volume measurement Effect
Inactive Publication Date: 2017-03-22
淄博市农业科学研究院
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Problems solved by technology
[0005] First of all, in the existing technology, cotton aphids need to be sprayed 3 to 7 times by spraying at the seedling stage. The amount of pesticide used is large, the workload is heavy, and the cost is high, and a large amount of pesticides seep into the ground during the spraying process, resulting in environmental pollution
Secondly, the existing seed coating agent has an unsatisfactory control effect on cotton blight, and the dosage is large and the control effect is poor. In the prior art: pyraclostrobin compound seed coating agent is used to prevent and control cotton blight, damping sick
240 g/L Thiofuramide Sus
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Embodiment 1
[0032] Examples 1 to 6 are specific implementation methods of the compound seed coating agent containing pyraclostrobin, thiafluzamide and dinotefuran and its application according to the present invention, of which Example 1 is the best example. The composition ratio of the stainless sand in Examples 1-6 is shown in Table 1. In the preparation method, the equipment used for shearing is a shear mixer, and the equipment used for grinding is a grinder. The preparation raw materials used in Examples 1-6 are 98% pyraclostrobin original drug and 98% thifuramide original drug. YUS-207K dispersant is produced by Takemoto, Japan.
[0033] Table 1 Composition ratio of Examples 1 to 6 (by mass percentage)
[0034]
Embodiment 1~2
[0035] Embodiment 1~2 preparation method
[0036] Add water, suspending agent, dispersant, pyraclostrobin, thifuramide and dinotefuran into the shear mixer in sequence according to mass percentage, shear for 20 minutes, then add anti-sedimentation agent, wetting agent and pigment, Continue shearing and mixing for 5 minutes to obtain a mixed solution, grind the mixed solution to a particle size of 3-5 microns, add a silicone defoamer for defoaming, and finally add a thickener for high-shear mixing to obtain the Compound seed coating agent of ester, thiafuramide and dinotefuran.
Embodiment 3~4
[0037] Embodiment 3~4 preparation method
[0038] Add water, suspending agent, dispersant, pyraclostrobin, thiafluzamide and dinotefuran into the shear mixer in sequence according to mass percentage, shear for 30 minutes, then add anti-sedimentation agent, wetting agent and pigment, Continue shearing and mixing for 5 minutes to obtain a mixed solution, grind the mixed solution until the particle size is less than or equal to 3 to 5 microns, add a silicone defoamer to stir and defoam, and finally add a thickener for high-shear mixing to obtain a pyridine-containing Compound seed coating agent of pyraclostrobin, thiafluzamide and dinotefuran.
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Abstract
The invention discloses a compounded seed coating agent containing pyraclostrobin, thifluzamide and dinotefuran and application, and belongs to the technical field of pesticide. The pyraclostrobin is a strobilurin fungicide, the thifluzamide is a thifluzamide fungicide, the objects and the ranges of control diseases are different, and if the pyraclostrobin and the thifluzamide are mixed and matched, the synergism effect is achieved, resistance increasing of cotton rhizoctonia to the two fungicides can also be inhibited, and the control range of a compounded preparation is enlarged; the dinotefuran is a third-generation chloronicotinyl insecticide, as the structure is different, the control effect and the lasting period on pests such as cotton aphids, plant hoppers, leafhoppers, thrips and whiteflies are better than the control effect and the lasting period of a traditional chloronicotinyl insecticide such as imidacloprid; the pyraclostrobin, the thifluzamide and the dinotefuran have the advantage of being long in lasting period and are suitable for serving as effective constituents of the seed coating agent, cotton aphids and damping off in the cotton seeding stage can be controlled when seeds are stirred with the compounded seed coating agent, the aim that diseases and pests are controlled through once seed stirring is achieved, and meanwhile the pesticide using amount and the control cost for diseases and pests in the cotton seeding stage are greatly reduced.
Description
technical field [0001] The compound seed coating agent containing pyraclostrobin, thifluzamide and dinotefuran and its application belong to the technical field of pesticides. Background technique [0002] Dinotefuran (dinotefuran) is a third-generation neonicotinoid insecticide, and its control effect and duration are better than those of imidacloprid and other second-generation neonicotinoid insecticides. Dinotefuran is very safe for mammals. It can control aphids, planthoppers, leafhoppers, thrips, whiteflies and their resistant strains on wheat, rice, vegetables, cotton, fruit trees and other crops. Thiofuramide, also known as tifluzamide, belongs to the thiazole amide fungicides, with strong systemic conductivity and long-lasting effect; Thiofuramide is effective against Rhizoctonia, Puccinia, Pathogenic fungi such as Powdery mildew, Pleurophora, and Sclerotinia are active, especially for diseases caused by Basidiomycetes, such as sheath blight and damping-off. Pyracl...
Claims
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Application Information
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