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Bactericidal composition and its application
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A technology of composition and amide fungicides, applied in the application, fungicides, biocides and other directions, can solve the problems of unsatisfactory control effect and drug resistance of bacteria, so as to overcome and delay the drug resistance of bacteria, reduce pollution, good control effect
Active Publication Date: 2017-05-17
LIER CROPSCIENCE CO LTD
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[0011] The frequent use of fungicides containing a single active component has led to the resistance of most bacteria, and the control effect is not ideal
Method used
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Embodiment 1
[0059] Example 1: 32% Methienamide Furafen Suspending Concentrate
[0060] Weigh 2% thiamin, 30% furamet, 4% sodium polycarboxylate, 3% fatty alcohol polyoxyethylene ether, 6% ethylene glycol, 0.35% XG, 0.6% silicone defoamer , 0.4% sodium benzoate, deionized water added to 100% by weight. The components are mixed, mixed evenly by high-speed shearing, and then sanded by a sand mill for 2-3 hours to reach a fineness of 1-5 microns, and the 32% foramidine furamet suspension concentrate is obtained.
[0061] Fubifen in this example can be replaced by other amide fungicides (such as dimethomorph, boscalid, thiaflunamide, metalaxyl, etc.) to form a new example.
[0063] Weigh 15% thiamin, 15% furamet, 4% sodium naphthalenesulfonate, 2% nonylphenol polyoxyethylene phosphate, 6% ethylene glycol, 0.30% XG, 0.6% organic silicon disinfectant Foaming agent, 0.4% sodium benzoate, deionized water is added to 100% weight part. The components are mixed, mixed evenly by high-speed shearing, and then sanded by a sand mill for 2-3 hours to reach a fineness of 1-5 microns, and then 30% thiamid-furamet suspension concentrate is obtained.
[0064] Fubifen in this example can be replaced by other amide fungicides (such as dimethomorph, boscalid, thiaflunamide, metalaxyl, etc.) to form a new example.
[0066] Weigh 2% furamet, 3% phosphate polyoxyethylene ether, 2% nonylphenol polyoxyethylene ether, 10% carbon nine aromatic hydrocarbon solvent, mix and stir evenly for later use, weigh 20% methylthiamin, 2% % phosphate polyoxyethylene ether, 6% ethylene glycol, 0.25% XG, 0.6% silicone defoamer, 0.4% sodium benzoate, deionized water added to 100% by weight. After sanding to a fineness of 1-4 microns, add the prepared furamet solution and use a high-shear disperser to cut for 30 minutes and mix well to prepare 22% fortidine-furamet suspoemulsion .
[0067] Fubifen in this example can be replaced by other amide fungicides (such as dimethomorph, boscalid, thiaflunamide, metalaxyl, etc.) to form a new example.
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Abstract
The invention discloses a bactericidal composition and its application and belongs to the field of pesticides. Active ingredients of the bactericidal composition are N-(5-methyl-1,3-thiazole-2-yl)-4-methyl-1,2,3-thiadiazole-5-formamide (A) and an amide fungicide (B). Weight ratio of (A) to (B) is 1:30-40:1, preferably 1:15-20:1, and more preferably 1:7-10:1. Dimethomorph, boscalid, thifluzamide, furametpyr, metalaxyl and the like can be selected as the amide fungicide (B). Adjuvant ingredients which are allowed to be used in other pesticides can be added into the composition to obtain any dosage form. Effects of the bactericidal composition are obviously higher than effects of the single ingredients (A) and (B). The bactericidal composition has obvious synergism and application amount of each single ingredient is effectively reduced. The bactericidal composition has good effects of broadening bacteriocidal spectrum and delaying plant resistance to drugs and can effectively control tobacco virus diseases, black shank, tomato early blight, late blight, cucumber downy mildew, pepper phytophthora blight, Rhizoctonia solani and the like.
Description
technical field [0001] The invention relates to a bactericidal composition, in particular to a bactericidal composition containing methiamide and an amide bactericide and application thereof. Background technique [0002] In agricultural production, the healthy growth of crops is not only affected by insects and weeds, but also the prevention and control of diseases is very important. With the strengthening of environmental protection concepts and the implementation of sustainable development strategies, high efficiency, low toxicity, high activity, and low residue have become an inevitable trend in the development of pesticides. However, even if high-efficiency fungicides are used alone for a long time, it is easy to cause disease resistance, leading to problems such as increased dosage, reduced control effect, and shortened duration, which is not conducive to sustainable development of the environment. Therefore, how to use scientifically, reduce the amount of chemical pe...
Claims
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