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A pesticide composition and fungicide containing toxic fluorophosphorus and amide fungicides

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

Active Publication Date: 2017-09-05
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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  • A pesticide composition and fungicide containing toxic fluorophosphorus and amide fungicides
  • A pesticide composition and fungicide containing toxic fluorophosphorus and amide fungicides
  • A pesticide composition and fungicide containing toxic fluorophosphorus and amide fungicides

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0034] 1. Preparation of wettable powder

[0035] According to the formula ratio of each embodiment in the following examples, the components are mixed uniformly, pulverized and mixed by a pulverizer, and the wettable powder of the fungicide of the present invention is prepared.

[0036]

[0037]

[0038] 2. Preparation of water dispersible granules

[0039] According to the formula ratio of each example in the following examples, mix the components uniformly, pulverize by the jet mill, stir for 30 minutes, knead, and then add to the fluidized bed for granulation. After granulation, dry and sieving are obtained. The water dispersible granules of the bactericide of the present invention.

[0040]

[0041]

[0042] Three, the preparation of suspension

[0043] According to the formula ratio of each example in the following examples, first grind the toxic fluoride phosphorus, component B, additives and part of the water in a sand mill. After the grinding is completed, the materials are pu...

Embodiment 2

[0078] Test method: Indoor potted tobacco susceptible plants to the 4-5 leaf stage, use different ratios and different concentrations of the drug solution to mix an equal volume of virus juice friction inoculation, 3 plants per treatment, 3 leaves per plant, repeat 4 times , Investigate the number of dead spots after 3-4 days, calculate the inhibition rate, use EC 50 The value is calculated by Sun Yunpei's method of co-toxicity coefficient. The measurement results are shown in Table 6-9.

[0079] Table 6 Test results of combined virulence for controlling tomato virus disease

[0080]

[0081]

[0082] Table 7 Test results of combined virulence for controlling tomato virus disease

[0083]

[0084] Table 8 Test results of combined virulence for controlling tomato virus disease

[0085]

[0086] Table 9 Test results of combined virulence for controlling tomato virus disease

[0087]

[0088]

[0089] It can be seen from the measurement results in Table 6-9 that toxafluphos is compounded...

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 Test results of combined virulence for controlling cucumber downy mildew

[0107]

[0108] Table 15 Test results of combined virulence for controlling cucumber downy mildew

[0109]

[0110] Table 16 Test results of combined virulence for controlling cucumber downy mildew

[0111]

[0112]

[0113] Table 17 Test results of combined virulence against cucumber downy mildew

[0114]

[0115] Table 18 Test results of combined virulence for controlling cucumber downy mildew

[0116]

[0117] From the measurement results in Table 14-18, it can be seen that toxafluphos is compounded with metalaxyl, boscalid and other amide fungicides in the range of (50~1): (1~50) to prevent cucumber downy mildew The co-toxicity coefficient of th...

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Abstract

The invention relates to a pesticide composition and a fungicide. The pesticide composition contains toxic fluorophosphorus and amide fungicides, wherein the weight ratio of toxic fluorophosphorus and amide fungicides is (50-1):(1-50) , The amide fungicides are selected from the group consisting of metalaxyl, metalaxyl, flufenapyramide, fluopyram, boscalid, thifuramide, fluoramide, mandipropamid, sulfamethanil, Any one of chloramid, fluopyram, benzamid, formofuramide, blastamide, fenhexamid or ethaboxam. The present invention also provides a fungicide, wherein the pesticide composition accounts for 0.1-90% of the total weight of the fungicide. The pesticide composition and fungicide of the present invention have obvious synergistic effects when used to prevent and treat viral and fungal diseases of various crops, and can achieve improved control effects, delayed drug resistance, expanded antibacterial spectrum, reduced chemical usage, and reduced costs , labor-saving and labor-saving effects.

Description

Technical field [0001] The invention relates to the technical field of pesticides, in particular to a bactericidal composition containing toxic fluorophosphate and amide bactericides and a bactericide. Background technique [0002] In recent years, due to the long-term single use of amide fungicides by farmers, the level of disease resistance to such fungicides has increased, and the effectiveness of such fungicides for preventing crop diseases has declined. The use of pesticide active ingredients with different action mechanisms for compounding 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 experiments can we know the type of action of different pesticide active ingredients. [0003] In order to better exert the excellent ba...

Claims

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Application Information

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Patent Type & Authority Patents(China)
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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