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Pesticide combination containing fluazinam and cyflufenamid as well as application of pesticide combination

A pesticide composition, the technology of cycloflufenamide, which is applied in application, fungicide, biocide, etc., can solve the problems of great ecological environmental hazards, low crop safety, and large dosage, so as to prolong the service life and expand the Bactericidal spectrum and the effect of reducing the cost of medication

Active Publication Date: 2015-09-02
GUANGDONG ZHONGXUN AGRI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved by the present invention is: to overcome the shortcomings of the prior art, such as large dosage, high cost, great harm to the ecological environment, and low safety to crops, to provide a high-efficiency, safe, low-toxicity and long-lasting, Pesticide composition containing fluazinam and cycloflufenam beneficial for comprehensive control of crop powdery mildew

Method used

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  • Pesticide combination containing fluazinam and cyflufenamid as well as application of pesticide combination
  • Pesticide combination containing fluazinam and cyflufenamid as well as application of pesticide combination
  • Pesticide combination containing fluazinam and cyflufenamid as well as application of pesticide combination

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Embodiment 1: Indoor toxicity determination of fluazinam · cycloflufen to powdery mildew graminearum (Blumeria graminis f.sp.tritici), the test object is collected from the wheat powdery mildew pathogen Brucella in the field Powdery mildew graminis (Blumeria graminis f.sp.tritici), the method refers to the "People's Republic of China Agricultural Industry Standard NY / T 1156.4-2006", pot test method.

[0019] According to Sun Yunpei's method, the synergistic effect of drug mixture is evaluated according to the co-toxicity coefficient (CTC), that is, CTC≤80 is synergistic antagonism, 8050 / EC of test agent 50 ) × 100; Theoretical toxicity index TTI = the toxicity index of A agent × the percentage content of A agent in the mixture + the toxicity index of B agent × the percentage content of B agent in the mixture; co-toxicity coefficient (CTC) =[Actual Toxicity Index (ATI) of Mixture / Theoretical Toxicity Index (TTI) of Mixture]×100.

[0020] Table 1. Indoor toxicity test ...

Embodiment 2

[0024] Example 2: Determination of the indoor toxicity of fluazinam · cycloflufen to Sphaerotheca fuliginea, the test object is the cucumber powdery mildew pathogen Sphaerotheca fuliginea collected from the field, and the pot test method.

[0025] Table 2. Indoor toxicity test results of fluazinam·cyclaflufen on monofilament shell (Sphaerotheca fuliginea)

[0026]

[0027]

[0028] It can be seen from Table 2 that the mixture of fluazinam and cycloflufenam at the ratio of 20:1 to 1:20 has obvious synergistic effect on Leveillula taurica, and the co-toxicity coefficients are all 140 above.

Embodiment 3

[0029] Embodiment 3: Indoor toxicity determination of fluazinam · cycloflufen to Leveillula taurica (Leveillula taurica), the test object is the tomato powdery mildew pathogen Leveillula taurica collected from the field ), pot test method.

[0030] Table 3. Indoor toxicity test results of fluazinam·cyclaflufen against Leveillula taurica

[0031]

[0032]

[0033] It can be seen from Table 3 that the mixture of fluazinam and cycloflufenam at the ratio of 20:1 to 1:20 has obvious synergistic effect on Leveillula taurica, and the co-toxicity coefficients are all 150 above.

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Abstract

The invention discloses a pesticide combination containing fluazinam and cyflufenamid as well as application of the pesticide combination. The pesticide combination comprises common additives, fluazinam and cyflufenamid, wherein the weight part ratio of fluazinam to cyflufenamid ranges from (1:20) to (20:1); the total weight of fluazinam to cyflufenamid is 5 to 80 percent of the pesticide combination by weight. The pesticide combination is suitable for preventing and treating crop diseases caused by pathogen fungi, particularly crop powdery mildew caused by erysiphaceae pathogens. Compared with single pesticide, the pesticide combination is greatly higher in preventing and treating effect, lower in dosage and use cost, longer in service life, and lower in adverse effect on the ecological environment.

Description

technical field [0001] The pesticide composition involved in the present invention uses fluazinam and fluflufenam as active ingredients, and is suitable for preventing and treating crop diseases caused by pathogenic fungi, especially for preventing and treating crop diseases caused by pathogenic fungi, especially powdery mildew Crop powdery mildew caused by pathogens of the Erysiphales family. Background technique [0002] Fluazinam, English common name fluazinam, belongs to 2,6-dinitroaniline compounds, Chinese alias 3-chloro-N-(3-chloro-5-trifluoromethyl-2-pyridyl)-α, α , α-trifluoro-2,6-dinitro-p-toluidine, is a protective fungicide. Fluazinam has special effects on various botrytis cinerea caused by Botrytis cinerea. It has no cross-resistance with benzimidazoles, dicarboximides and fungicides currently on the market. It also has good activity on diseases caused by Alternaria, Phytophthora, Plasmodium, Sclerotinia and Scabella. [0003] Cyflufenamide, the English com...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/40A01P3/00A01N37/52
Inventor 王礼文张志伟朱刚陈佛祥吴泽伟
Owner GUANGDONG ZHONGXUN AGRI TECH