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A technology of suspending agent and pesticide, which is applied in the field of pesticides, can solve the problems such as the lack of suspending agent reports of iprodione and dimethomorph, and achieve the effects of reduced resistance risk, high suspension rate and good stability
Active Publication Date: 2010-02-03
SHENZHEN NOPOSION AGROCHEM
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Problems solved by technology
Obviously, neither iprodione nor dimethomorph alone can meet this requirement
[0005] A...
Method used
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Embodiment 1
[0027] Weigh iprodione (content 94%) 5.3g, dimethomorph (content 97%) 15.5g, alkylphenol formaldehyde resin polyoxyethylene ether 2g, calcium lignosulfonate 4g, ethylene glycol 3g, polyethylene glycol 0.4g of methyl siloxane, 0.25g of xanthan gum, 0.25g of sodium benzoate, and 69.3g of water are fully mixed and dispersed. After the dispersion is uniform, enter the sand mill for sand milling until the particle size of 90% is less than 5 microns to obtain 20 % Iprodione Dimethomorph Suspension Concentrate.
Embodiment 2
[0029] Weigh iprodione (content 94%) 21.3g, dimethomorph (content 97%) 20.6g, special polyether modified polyorganosiloxane 2g, alkylphenol polyoxyethylene phosphate 5g, propylene glycol 4g, 0.8g of isooctyl alcohol, 0.2g of gum arabic, 0.2g of Kathon, and 45.9g of water are fully mixed and dispersed. After the dispersion is even, enter the sand mill for sand grinding, and the sand is ground until 90% of the particle size is less than 5 microns to obtain 40% Iprodione Dimethomorph Suspension Concentrate.
Embodiment 3
[0031] Weigh iprodione (content 94%) 31.9g, dimethomorph (content 97%) 5.2g, fatty alcohol polyoxyethylene ether 2g, polynaphthaldehyde sulfonic acid sodium salt 4g, glycerol 4g, n-octanol 1g, 0.5g sodium alginate, 0.5g lactic acid, 50.9g water, fully mix and disperse, and evenly disperse, enter the sand mill for sand grinding, and sand grind until the particle size is 90% less than 5 microns to obtain 35% iprodione phylloline suspension.
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Abstract
The invention provides a pesticide suspension comprising effective amount of active components of iprodione and dimethomorph as well as a wetting agent, a dispersing agent, a defoaming agent, a thickening agent, a preservative and water with or without an antifreeze agent, wherein the wetting agent is one or more of alkylphenol formaldehyde resin polyethenoxy ether, polyether modified polysiloxane, fatty alcohol-polyoxyethylene ether and nekal. The iprodione and dimethomorph pesticide suspension is prepared by selecting the suitable wetting agent and compounding with other additives, has highsuspension rate and good stability, lowers the resistance risk of using the compound and enables the compound to have control effect obviously superior to that of a single preparation.
Description
technical field [0001] The invention belongs to the technical field of pesticides, in particular to a pesticide suspension. Background technique [0002] Iprodione is a broad-spectrum contact-killing protective fungicide, which can not only inhibit the germination and production of fungal spores, but also control the growth of mycelium, that is, it affects all developmental stages in the life cycle of pathogenic fungi . The main control objects are Botrytis, Bustle, Penicillium, Sclerotinia, Alternaria, Helminthias, Rhizoctonia, Phoma, Globulomyces, and Cercospora A variety of crops, fruit trees and fruit storage period diseases caused by such as grape gray mold, sclerotinia on drupe fruit trees, apple spot defoliation, pear black spot, tomato early blight, strawberry, vegetable gray mold Wait. Although iprodione has a wide spectrum of disease prevention, is safe, and has good preventive effects, its therapeutic effect is poor, and it is often used in conjunction with dru...
Claims
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