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A bactericidal composition and preparation containing toxic fluorophosphorus and dextran
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A dextran and composition technology, which is applied in the field of pesticides, can solve the problems of no toxic fluorophosphine and dextran and the like, and achieve the effects of reducing drug dosage, delaying resistance and reducing residual amount
Active Publication Date: 2017-06-06
GAUNGXI TIANYUAN BIOCHEM
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[0005] So far, there have been no relevant reports on the composition of hexafluorophos and dextran at home and abroad
Method used
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preparation example Construction
[0031] 1. Preparation of wettable powder
[0032] Preparation method: After mixing the original drug of fluorophosphine, the original drug of dextran, wetting and dispersing agent and other additives and carriers, add it into a pulverizer and pulverize until the particle size meets the requirements, discharge the material and stir evenly to obtain the poisonous fluorine Pesticides of phosphorus and dextran fungicidal compositions.
[0034] Phosphate 40%, Dextran 1%, Morwet D-42 53%, Sodium Dodecyl Benzene Sulfonate 3%, Kaolin Clay Top Up 100%.
Embodiment 2
[0035] Example 2: 21% hexafluorophos-dextran wettable powder (1:20)
[0036] Hexafluorophos 1%, Dextran 20%, Sodium Carboxymethyl Cellulose 3%, Morwet EFW 4%, Silica 5%, Bentonite Clay Top Up 100%.
[0037] 2. Preparation of suspending agent
[0038] Preparation method: according to the formula proportions of each example in the following example, firstly grind chlorpheniramine, dextran, auxiliary agents and part of water in a sand mill, and after the grinding is completed, the materials are pumped into a high-speed shearing machine, Antifreeze, thickener, remaining water and defoamer are added to carry out high-speed shearing, and the pesticide containing poisonous fluorophosphorus and dextran bactericidal composition is prepared after shearing.
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Abstract
The invention relates to a sterilization composition and a bactericide thereof. The sterilization composition contains Dufulin and a bactericide named Pujuxitang, wherein a weight ratio of Dufulin to the bactericide named Pujuxitang is 40:1-1:20, and preferably 30:1-1:10. The sterilization composition accounts for 0.1-80% of the total weight of the bactericide. The bactericide has obvious synergistic effects in control of viral and fungal diseases of various crops, and has the advantages of great improvement of the control effect, reduction of the use amount of drugs, cost reduction and drug resistance delaying.
Description
technical field [0001] The invention relates to the technical field of pesticides, in particular to a bactericidal composition mixed with toxic fluorophosphorus and dextran and its preparation. Background technique [0002] With the change of planting structure and climate, during the growth of various crops, more and more crops are currently damaged by viral diseases. At present, the medicaments for the prevention and treatment of viral diseases mainly include amino-oligosaccharins, Junduqing, and virus A. However, due to the long service life and high frequency of use of these medicaments, viral diseases have a certain resistance to these medicaments, resulting in a decline in the control effect. Even if the dosage is increased, it cannot meet the needs of farmers for the prevention and treatment of viral diseases. [0003] Hexafluorophos is a new generation of plant anti-virus product transferred by the inventor from Guizhou University (Patent No. ZL200510003041.7). In ...
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Application Information
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