Compound composition containing dufulin and pyrazole amide bactericide and bactericide

A compound composition and pyrazole amide technology, applied in the field of pesticides, can solve the problem of not finding related reports on fluorophos and pyrazole amide fungicides, and achieve delaying pathogen resistance, rational mixing and bactericidal effect improvement. Effect

Active Publication Date: 2015-09-09
GAUNGXI TIANYUAN BIOCHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

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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  • Compound composition containing dufulin and pyrazole amide bactericide and bactericide
  • Compound composition containing dufulin and pyrazole amide bactericide and bactericide
  • Compound composition containing dufulin and pyrazole amide bactericide and bactericide

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Experimental program
Comparison scheme
Effect test

preparation example Construction

[0037] 1. Preparation of wettable powder

[0038] Preparation method: Mix hexafluorophos, pyrazole amide fungicides (abbreviated as component B), wetting agent, dispersant, white carbon black, and fillers evenly, pulverize them with a jet mill, and stir for 30 minutes to obtain the fungicides of the present invention. wettable powder.

[0039]

[0040]

[0041] 2. Preparation of water dispersible granules

[0042] Preparation method: Mix hexafluorophos, pyrazole amide fungicides (abbreviated as component B), wetting agent, dispersant, and filler evenly, pulverize through a jet mill, stir for 30 minutes, knead and add to a fluidized bed to make Granules, then dry in a dryer and sieve to obtain the water-dispersible granules of the fungicide of the present invention.

[0043]

[0044] 3. Preparation of suspending agent

[0045] Preparation method: mix emulsifier, antifreeze, thickener, and deionized water, and mix evenly through high-speed shearing, then add poisonou...

Embodiment 2

[0075] Test method: Indoor potted tobacco susceptible plants are planted to the 4-5 leaf stage, mixed with different ratios and different concentrations of drug solutions mixed with equal volumes of virus juice for friction inoculation, 3 plants for each treatment, 3 leaves for each plant, and repeated 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 diseases

[0077] Element

EC 50 (μg / ml)

ATI

TTI

CTC

Phosphate (A)

34.56

100.00

/

/

Fluoxamid (B)

121.60

28.42

/

/

A:B=40:1

26.33

131.26

98.25

133.59

A:B=30:1

25.16

137.36

97.69

140.61

A:B=20:1

25.60

135.00

96.59

139.76

A...

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PUM

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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 invention relates to the technical field of pesticides, in particular to a compound composition mixed with diafluorophos and pyrazole amide fungicides and the fungicide. Background technique [0002] Chemical agents are an important means of preventing and controlling crop diseases, and with the change of environment, the degree of viral diseases in crops has increased. However, while crops are damaged by viral diseases, they are also damaged by other diseases, and the market can prevent and control various diseases. Insufficient medicament or high resistance and reduced control effect. The compounding of active ingredients of pesticides with different action mechanisms is an effective and fast way to develop new pesticide products and control resistant pests and diseases. After the active ingredients of different pesticides are compounded, they will show three types of effects: additive effect, synergistic effect and antagonistic effect. Usually...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N57/24A01P3/00A01N43/40A01N43/56
Inventor 舒恒杰周慧芬黄凤玲
Owner GAUNGXI TIANYUAN BIOCHEM
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