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Compound composition and fungicide containing poisonous fluorophosphorus and pyrazole amide fungicides
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A technology of compound composition and pyrazole amide, which is applied in the field of pesticides, can solve the problems such as the undiscovered reports of parafluorophos and pyrazole amide fungicides, etc., so as to delay the drug resistance of pathogenic bacteria, rationally mix and reduce the dosage Effect
Active Publication Date: 2017-01-25
GAUNGXI TIANYUAN BIOCHEM
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Problems solved by technology
[0012] After searching, no relevant reports were found on the compound composition of diaflufos and pyrazole amide fungicides
Method used
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preparation example Construction
[0037] 1. Preparation of wettable powder
[0038] Preparation method: Mix fluorophos, pyrazole amide fungicides (abbreviated as component B), wetting agent, dispersant, white carbon black, and filler uniformly, pulverize by a jet mill, and stir for 30 minutes to obtain the sterilization of the present invention The wettable powder of the agent.
[0039]
[0040]
[0041] 2. Preparation of water dispersible granules
[0042] Preparation method: Mix fluorophos, pyrazole amide fungicides (abbreviated as component B), wetting agent, dispersant, and filler evenly, pulverize by jet mill, stir for 30 min, knead and add to fluidized bed to make The granules are then dried and sieved in a dryer to obtain the water-dispersible granules of the bactericide of the present invention.
[0043]
[0044] Three, the preparation of suspension
[0045] Preparation method: mix emulsifier, antifreeze, thickener, and deionized water, mix uniformly through high-speed shearing, add toxflufen and pyrazole amid...
Embodiment 2
[0075] Test method: Indoor potted tobacco susceptible plant to the 4-5 leaf stage, use different ratios and different concentrations of the drug solution to mix the same volume of virus juice friction inoculation, 3 plants for each treatment, 3 leaves for each plant, repeat 4 times After 3-4 days, investigate the number of dead spots, calculate the inhibition rate, and use the EC50 value to calculate the co-toxicity coefficient according to Sun Yunpei's method. The measurement results are shown in Table 4-6.
[0076] Table 4 Indoor virulence test results for controlling tomato virus disease
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Abstract
The invention provides compound composition containing dufulin and a pyrazole amide bactericide and bactericide. The active ingredients of the compound composition comprise dufulin and the pyrazole amide bactericide, wherein the pyrazole amide bactericide is selected from one or more of fluopicolide, Bixafen, sedaxane, isopyrazam, benzovindiflupyr or penflufen; a weight ratio of dufulin to the pyrazole amide bactericide is (40:1)-(1:70). The invention further provides the bactericide. The compound composition accounts for 0.5%-84% of the total weight of the bactericide. The compound composition has remarkable synergistic interaction effect compared with a single pesticide, can effectively control diseases of various crops, has the function of improving the control effect, and has the effects of reducing pesticide application quantity and cost, delaying pesticide resistance and the like.
Description
Technical field [0001] The present invention relates to the technical field of pesticides, in particular to a compound composition of fluorophos and pyrazole amide fungicides and the fungicides thereof. Background technique [0002] Chemical agents are an important means to prevent and control crop diseases, and with the change of the environment, the degree of virus diseases in crops increases. However, crops are affected by virus diseases and also suffer from other diseases. However, many diseases can be prevented in the market. The lack of medicament or the decrease of resistance. The use of pesticide active ingredients with different mechanisms of action to compound is currently an effective and quick way to develop new pesticide products and prevent and control resistant pests. After the effective ingredients of different pesticides are compounded, they will show three types of effects: additive, synergistic and antagonistic. Usually, only through a large number of experim...
Claims
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