Compound antibacterial composition containing penthiopyrad

A penthiopyram and composition technology, applied in the field of compound bactericidal compositions containing penthiopyram, can solve the problems of high cost, resistance and the like, achieve improved drug efficacy, reduced production and use costs, and improved disease A clear synergistic effect

Active Publication Date: 2014-04-09
SHENZHEN NOPOSION AGROCHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Penthiopyrad is a new type of high-efficiency agent for the control of botrytis cinerea, but it is expensive to use alone and has the risk of resistance

Method used

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  • Compound antibacterial composition containing penthiopyrad
  • Compound antibacterial composition containing penthiopyrad
  • Compound antibacterial composition containing penthiopyrad

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] Example 1: 30% penthiopyrad·pyridoxazole suspension concentrate

[0044] Penthiopyrad 25%, Pyridoxazole 5%, Sodium Naphthalene Sulfonate Formaldehyde Condensate 10%, Magnesium Aluminum Silicate 1%, White Carbon Black 1%, Ethylene Glycol 4%, Water to 100% .

[0045] This embodiment is applied to the prevention and treatment of gray mold of cucumber. Dilute and spray 30% penthiopyrad·pyridoxazole suspension 1500 times (the effective concentration of penthiopyrad is 125 μg / ml, and the effective concentration of pyridoxazole is 25 μg / ml) with water. The control effects of days were 92.5%, 90.2%. 20% penthiopyrad suspension was used in the same way by 1000 times (effective concentration is 200 μg / ml) and 50% pyridoxazole suspension by 2500 times (effective concentration was 200 μg / ml), after 7 days and The 15-day control effects were 84.9%, 92.5%, 74.4%, 72.6%, respectively. The compounding of penthiopyrad and pyridoxazole had obvious synergistic effect, and the control ...

Embodiment 2

[0046] Example 2: 21% penthiopyrad·pyridoxazole suspension concentrate

[0047] Penthiopyrad 20%, Pyridoxazole 1%, Naphthalene Sulfonate Sodium Formaldehyde Condensate 10%, Xanthan Gum 1%, Bentonite 1%, Glycerin 4%, water to make up to 100%.

[0048]This embodiment is applied to control tomato gray mold. 21% Penthiopyrad · Pyridoxazole suspension was diluted and sprayed with water 1500 times (the effective concentration of Penthiopyrad was 133 μg / ml, and the effective concentration of Pyridoxazole was 6.67 μg / ml), and sprayed after 7 days and The 15-day control effects were 87.3% and 85.5%, respectively. 20% penthiopyrad wettable powder by 1000 times (effective concentration is 200 μg / ml) and 15% pyridoxazole suspension concentrate by 1000 times (effective concentration is 150 μg / ml), use the same method, 7 days after the drug and 15-day control effects were 82.5%, 78.2% and 73.4%, 71.6%, respectively. The compounding of penthiopyrad and pyridoxazole has obvious synergistic...

Embodiment 3

[0049] Example 3: 3% Penthiopyrad·pyridoxazole suspension concentrate

[0050] Penthiopyrad 1.5%, Pyridoxazole 1.5%, Sodium Naphthalene Sulfonate Formaldehyde Condensate 10%, Magnesium Aluminum Silicate 1%, White Carbon Black 1%, Ethylene Glycol 4%, Water to 100% .

[0051] This embodiment is applied to the prevention and treatment of gray mold of cucumber. Dilute and spray 3% penthiopyrad·pyridoxazole suspension 300 times (effective concentration of penthiopyrad is 50 μg / ml, effective concentration of pyridoxazole is 50 μg / ml) with water. The control effects of days were 82.5%, 80.2%. 20% penthiopyrad suspension was used 2000 times (effective concentration is 100 μg / ml) and 25% pyricoxazole suspension was used in the same way 2500 times (effective concentration was 100 μg / ml), after 7 days and The 15-day control effects were 73.9%, 71.5%, and 70.4%, 68.6%, respectively. The compounding of penthiopyrad and pyridoxazole had obvious synergistic effect, and the control effect...

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Abstract

The invention relates to an antibacterial composition. Active ingredients of the antibacterial composition are penthiopyrad (A) and pyrisoxazole (B), and mass ratio of (A) to (B) ranges from 50:1 to 1:50. Obvious synergistic effect is obtained by combining (A) with (B); and the compound antibacterial composition is used for gray mold control of crops such as fruit trees, flowers, cotton, wheat, and vegetables.

Description

technical field [0001] The invention relates to a bactericidal composition, in particular to a compound bactericidal composition containing penthiopyrad. Background technique [0002] Botrytis cinerea, such as cucumber gray mold and tomato gray mold, is a very important disease of crops, often causing major losses of crops. According to literature reports, due to monotherapy and other unscientific drug use methods, Botrytis cinerea has developed resistance to commonly used pesticides, and the field control effect of pesticides has dropped significantly. After the emergence of resistance, the increase in the amount of pesticide application and the frequency of pesticide application will increase the burden on farmers and aggravate environmental pollution. New fungicides with high efficiency, low toxicity, environmental protection and no cross-resistance and their compositions are one of the ways to solve this problem. [0003] Penthiopyrad, English common name Penthiopyrad,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/80A01N43/56A01P3/00
Inventor 张洪曹明章王新军杨立平李广泽
Owner SHENZHEN NOPOSION AGROCHEM
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