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A technology of cyflufenofen and nematicides, which is applied in the field of pesticides, can solve the problems of large amount of chemical pesticides used, rapid development of drug resistance, and limited scope of application, etc., to delay pest drug resistance, expand insecticidal spectrum, and reduce pesticides. residual effect
Active Publication Date: 2017-07-25
GUANGDONG ZHENGE BIOLOGICAL TECH CO LTD +1
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Problems solved by technology
[0006] The use of a single dose of chemical pesticides has disadvantages such as large usage, rapid development of drug resistance, relatively poor efficacy, and limited sco
Method used
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Embodiment 1
[0052] Example 1: 30% cyflumetate · thiazophosphine emulsifiable concentrate
[0053] Weigh 25% cyflumetate, 5% thiazophosphine, 3% Nongru 500# (calcium dodecylbenzenesulfonate), 4% Nongru 600# (styrylphenol polyoxyethylene ether), 3% Alkylphenol polyoxyethylene ether, 5% sodium ricinoleate, 8% dimethyl sulfoxide (solvent), and the balance xylene (solvent). Mix and stir cyflumet, thiazophos, co-solvent and solvent to completely dissolve cyflumet and thiazophos, then add other auxiliaries and stir evenly to prepare 30% cyflumet-thiazophos EC.
Embodiment 2
[0054] Example 2: 30% cyflumetate·fluthiazol sulfone emulsifiable concentrate
[0055] Weigh 20% cyflumetate, 10% fluthiazol sulfone, 5% sodium lauryl sulfate, 8% styrylphenol polyoxyethylene ether, 5% sodium ricinoleate, 10% dimethyl sulfoxide (cosolvent), balance xylene (solvent). Mix and stir flumetofen, flufenid sulfone, co-solvent and solvent to completely dissolve flufenflumet and fluthiafen sulfone, then add other auxiliaries and stir evenly to obtain 30% fluflumet Fluthiazol emulsifiable concentrate.
Embodiment 3
[0056] Example 3: 20% cyflumetate·thiazophosphine aqueous emulsion
[0057] Weigh 15% cyflumetate, 5% thiazole phosphine, 5% Nongru 2201#, 7% fatty alcohol polyoxyethylene ether, 8% naphthalenesulfonic acid formaldehyde condensate sodium salt, 1% ethylene glycol, 5% di Toluene, 0.5% benzoic acid, 0.2% xanthan gum, the balance deionized water. Mix and dissolve cyflumet, thiazophos, emulsifier, antifreeze, organic solvent, etc., and add the remaining amount of deionized water during high-speed shearing to prepare 20% cyflumet-thiazophos water emulsion.
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Abstract
The invention relates to a nematicidal composition containing cyflumetofen. The composition comprises an active ingredient A which is cyflumetofen and an active ingredient B which can be one of fosthiazate and cefotaxime. The weight ratio of cyflumetofen and fosthiazate is (20-1): (1-20); the weight ratio of cyflumetofen and cefotaxime is (30-1): (1-30); and the sum of the content of the active ingredients is 0.5-80% by weight of the composition. The composition can be prepared into agriculturally allowable missible oil, wettable powder, water dispersible granules, a microemulsion, a suspending agent, an emulsion in water and granules, and the effect of preventing and treating underground nematodes is not simply overlaid of the effects of the active ingredients. Compared with a single preparation, the composition has a remarkable nematicidal synergic effect, the dosage is reduced, the pesticidal residues are reduced, the service life of the pesticide is prolonged, generation of drug resistance of injurious insects is delayed, the composition is good in safety to crops and the output and quality are improved.
Description
technical field [0001] The invention relates to the technical field of pesticides, in particular to a nematicidal composition containing cyflufenate. Background technique [0002] Nematodes belong to the nematode class Nematodes. They are small in size and can only be observed with a microscope. Plant parasitic nematodes mainly include: root-knot nematodes, reniform nematodes, cyst nematodes (Heteroderma genus), and root-spot nematodes (breviphyllous nematodes). Nematodes spread through soil or seeds and can damage the root system of plants; eating plants directly can greatly reduce the absorption of nutrients and water by plants. Nematodes eating plants cause wounds and facilitate the invasion of plant pathogens. Bacteria and viruses interact to form compound infections, which indirectly spread fungal and bacterial diseases caused by other microorganisms, aggravating the damage to crops and causing huge economic pressure. [0003] Cyflumetofen (Cyflumetofen) is a new type...
Claims
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