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Pesticide composition containing Dufulin and amide fungicide, and fungicide

A technology of amide fungicides and pesticide compositions, applied in the field of pesticides, can solve the problems of undiscovered parafluorophos and amide fungicides, and achieve the effects of improving drug efficacy, delaying resistance, and reducing residues

Active Publication Date: 2015-11-04
GAUNGXI TIANYUAN BIOCHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] So far, there are no relevant reports on the combination of parafluorophos and amide fungicides at home and abroad

Method used

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  • Pesticide composition containing Dufulin and amide fungicide, and fungicide
  • Pesticide composition containing Dufulin and amide fungicide, and fungicide
  • Pesticide composition containing Dufulin and amide fungicide, and fungicide

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0034] 1. Preparation of wettable powder

[0035] According to the formula ratio of each example in the following example, mix each component evenly, grind and mix through a pulverizer, and obtain the wettable powder of the fungicide of the present invention.

[0036]

[0037]

[0038] 2. Preparation of water dispersible granules

[0039] According to the formula ratio of each example in the following example, mix each component evenly, pulverize through a jet mill, stir for 30 minutes, knead, then add to a fluidized bed for granulation, dry and sieve after granulation to obtain The water-dispersible granule of the fungicide of the present invention.

[0040]

[0041]

[0042] 3. Preparation of suspending agent

[0043] According to the formula proportions of each example in the following example, firstly grind pentadophos, component B, additives and part of water in a sand mill, after the grinding is completed, pump the materials into a high-speed shearing machi...

Embodiment 2

[0078] 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 EC 50 The co-toxicity coefficient was calculated by Sun Yunpei's method. The measurement results are shown in Table 6-9.

[0079] Table 6 Results of combined virulence assays for the control of tomato virus diseases

[0080]

[0081]

[0082] Table 7 Results of combined virulence assays for the control of tomato virus diseases

[0083]

[0084] Table 8 Results of combined virulence assays for the control of tomato virus diseases

[0085]

[0086] Table 9 Results of combined virulence assays for the control of tomato virus diseases

[0087]

[0088]

[0089...

Embodiment 3

[0105] Test method: refer to "NYT 1156.7-2006" and "NY / T 1156.6-2006" to calculate the EC of each agent 50 , and calculate the co-toxicity coefficient of the mixture according to Sun Yunpei's method. The measurement results are shown in Table 14-18.

[0106] Table 14 Combined virulence test results for the control of cucumber downy mildew

[0107]

[0108] Table 15 Combined virulence test results for the control of cucumber downy mildew

[0109]

[0110] Table 16 Combined virulence test results for the control of cucumber downy mildew

[0111]

[0112]

[0113] Table 17 Combined virulence test results for the control of cucumber downy mildew

[0114]

[0115] Table 18 Results of combined virulence assays for the control of cucumber downy mildew

[0116]

[0117] From the measurement results in Table 14-18, it can be seen that the compounding of hexafluorophos with amide fungicides such as metalaxyl and boscalid in the range of (50~1):(1~50) can control cu...

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Abstract

The present invention relates to a pesticide composition and a fungicide, wherein the pesticide composition contains Dufulin and an amide fungicide, a weight ratio of the Dufulin to the amide fungicide is (50-1):(1-50), and the amide fungicide is any one selected from metalaxyl-M, metalaxyl, fluxapyroxad, fluopyram, boscalid, thifluzamide, flutolanil, mandipropamid, flusulfamide, silthiopham, fluopicolide, zoxamide, ofurace, fenoxanil, fenhexamid and ethaboxam. The present invention further provides a fungicide, wherein the pesticide composition accounts for 0.1-90% of the total weight of the fungicide. According to the present invention, the pesticide composition and the fungicide are used for prevention and control of viral and fungal diseases of a variety of crops, have significant synergy effects, and can achieve effects of control effect improving, drug resistance delaying, antibacterial spectrum expanding, drug consumption reducing, cost reducing, working time saving, labor saving, and the like.

Description

technical field [0001] The invention relates to the technical field of pesticides, in particular to a fungicide composition containing toxic fluorophosphorus and amide fungicides and the fungicide. Background technique [0002] In recent years, due to the long-term single use of amide fungicides by farmers, the resistance level of diseases to these fungicides has increased, and the control effect of these fungicides on crop diseases has declined. 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, only through a large number of experiments can we know the type of action after the active ingredients of different pesticides are compounded. [0003] In order to make...

Claims

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Application Information

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IPC IPC(8): A01N57/24A01P1/00A01P3/00A01N37/46A01N43/56A01N43/40A01N47/02A01N37/24A01N37/36A01N41/06A01N55/10A01N37/20A01N43/08A01N39/04A01N43/78
Inventor 刘妤玲李卫国韦邦帜
Owner GAUNGXI TIANYUAN BIOCHEM
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