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Combination sterilization composition

A composition, penconazole technology, applied in the directions of fungicides, biocides, biocides, etc., can solve the problems of resistance, high cost, serious resistance problems, etc., and achieve increased safety, improved efficacy, The effect of lower production and use costs

Active Publication Date: 2012-05-02
SHENZHEN NOPOSION AGROCHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Triazoles are still popular agents for the control of powdery mildew, but the problem of resistance is becoming more and more serious
[0004] Boscalid is a new type of high-efficiency agent for the control of crop powdery mildew, but it is expensive to use alone and has the risk of resistance

Method used

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  • Combination sterilization composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] Example 1: 10.2% Boscalid·Penconazole EC

[0045] Boscalid 10%, penconazole 0.2%, N-methylpyrrolidone 10%, Nongru 1601# 5%, Nongru 500# 5%, xylene to make up to 100%.

[0046] This embodiment is applied to control strawberry powdery mildew. Dilute 10.2% boscalid·penconazole EC with 500 times (the effective concentration of boscalid is 200μg / ml, and the effective concentration of penconazole is 4μg / ml) diluted with water and sprayed for 7 days and 15 days after treatment The effects were 93.1% and 90.1%, respectively. 25% boscalid suspension at 1000 times (effective concentration of boscalid 250μg / ml) and 8% penconazole water dispersible granules at 2000 times (effective concentration of 40μg / ml), use the same method, The control effects at 7 days and 15 days after the drug were 84.3%, 82.7% and 75.4%, 73.3%, respectively. The synergistic effect of boscalid and penconazole compounded is obvious, and the control effect of strawberry powdery mildew is obviously better than t...

Embodiment 2

[0049] Example 2: 5% Boscalid·Pentonazole Microemulsion

[0050] Boscalid 2.5%, penconazole 2.5%, N-methylpyrrolidine 10%, isopropanol 10%, Nongru 500# 5%, Nongru 1601# 5%, water supplement to 100%.

[0051] This embodiment is applied to control grape powdery mildew. Dilute 5% boscalid · penconazole microemulsion 1000 times (the effective concentration of boscalid is 25μg / ml, and the effective concentration of penconazole is 25μg / ml) diluted with water and sprayed, 7 days and 15 days after administration The control effects were 96.7% and 95.2% respectively. 20% boscalid suspension is 1000 times (effective concentration is 200μg / ml) and 10% penconazole wettable powder is 2000 times (effective concentration is 50μg / ml), use the same method, and 7 days after administration The 15-day control effect was 83.7%, 81.3% and 83.4%, 80.3%. The synergistic effect of boscalid and penconazole is obvious, and the control effect of grape powdery mildew is obviously better than that of single ...

Embodiment 3

[0054] Example 3: 25% boscalid penconazole water emulsion

[0055] Boscalid 15%, penconazole 10%, N-methylpyrrolidone 10%, calcium dodecyl benzene sulfonate 5%, Nongru 600# 5%, water supplement to 100%.

[0056] This embodiment is applied to Chiehqua powdery mildew. Dilute the 25% boscalid penconazole emulsion with water at 2500 times (the effective concentration of boscalid is 60μg / ml, and the effective concentration of penconazole is 40μg / ml) and spray it with water for 7 days and 15 days after administration. The control effects were 93.1% and 91.4% respectively. 10% boscalid suspension is 1000 times (effective concentration is 100μg / ml) and 5% penconazole EC is 500 times (effective concentration is 100μg / ml), use the same method, 7 days and 15 days after administration The preventive effects of Boscalid were 73.7%, 70.3% and 86.1%, 80.3%, respectively. The synergistic effect of the combination of boscalid and penconazole is obvious, and the preventive effect of chicquat powde...

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Abstract

The invention relates to a sterilization composition, which comprises the effective components of boscalid and penconazole, wherein the weight ratio of the boscalid and the penconazole is 50:1 to 1:50. The boscalid and the penconazole have obvious synergistic action after combination, and are used for controlling powdery mildew of crops such as vegetables, wheat, fruit trees, flowers and the like.

Description

Technical field [0001] The invention relates to a bactericidal composition, in particular to a compound bactericidal composition containing boscalid. Background technique [0002] Powdery mildew is a very important type of crop disease, which occurs from time to time on cucumbers, wheat, grapes, flowers and other crops, causing heavy losses. Triazole agents are still popular agents for the prevention and treatment of powdery mildew, but the accompanying resistance problems have become increasingly serious. In addition, triazoles can inhibit the growth of crops, and there are safety concerns in use. [0003] Boscalid, English common name boscalid, chemical name: 2-chloro-N-(4′-chlorobiphenyl-2-yl)nicotinamide, is a new type of niacinamide fungicide developed by BASF, Germany, with a broad sterilization spectrum , Has protective and therapeutic effects, and can be used to prevent powdery mildew. Mainly by inhibiting mitochondrial succinate dehydrogenase, hindering the tricarboxyli...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N43/653A01N43/40A01P3/00
Inventor 张洪张承来曹明章殷如龙刘胜召孔建
Owner SHENZHEN NOPOSION AGROCHEM