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Compound bactericidal composition containing boscalid

A technology of boscalid and composition, which is applied in the field of compound bactericidal composition containing boscalid, can solve the problems of high cost and resistance, and achieve the improvement of drug effect, the reduction of production and use costs, and the reduction of disease synergistic effect

Active Publication Date: 2010-02-24
SHENZHEN NOPOSION AGROCHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Boscalid is a new and highly effective agent for the control of botrytis cinerea and powdery mildew, but it is expensive to use alone and has the risk of resistance

Method used

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  • Compound bactericidal composition containing boscalid
  • Compound bactericidal composition containing boscalid

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0070] Example 1: 10.2% boscalid iprodione EC

[0071] Boscalid 10%, iprodione 0.2%, N-methylpyrrolidone 10%, Nongru 1601# 5%, Nongru 500# 5%, and xylene supplemented to 100%.

[0072] This embodiment is applied to the control of strawberry gray mold. Dilute and spray 10.2% boscalid·iprodione EC 400 times (the effective concentration of boscalid is 250 μg / ml, and the effective concentration of iprodione is 5 μg / ml) with water, and the prevention and control of 7 days and 15 days after treatment The effects were 94.8% and 92.2%, respectively. 15% boscalid suspension concentrate is used in the same way as 500 times (boscalid effective concentration is 300 μg / ml) and 30% iprodione water dispersible granule is 1000 times (effective concentration is 300 μg / ml), The control effects were 86.1%, 84.9%, 78.4%, 74.1% after 7 days and 15 days after the drug. The combination of boscalid and iprodione has obvious synergistic effect, and the control effect on strawberry botrytis is obvio...

Embodiment 2

[0075] Example 2: 5% boscalid · fludioxonil microemulsion

[0076] Boscalid 2.5%, fludioxonil 2.5%, xylene 10%, isopropanol 10%, Nongru 500# 5%, Nongru 1601# 5%, water to make up to 100%.

[0077] This embodiment is applied to the prevention and treatment of Botrytis cinerea. Dilute and spray 5% boscalid·fludioxonil microemulsion 250 times (the effective concentration of boscalid is 100 μg / ml, and the effective concentration of fludioxonil is 100 μg / ml) with water. The control effects were 96.3% and 94.3% respectively. 20% boscalid suspension concentrate is used in the same way by 1000 times (effective concentration is 200 μg / ml) and 24% fludioxonil WP by 2000 times (effective concentration is 120 μg / ml), after 7 days and The 15-day control effects were 84.9%, 82.9%, 89.4%, 88.3%, respectively. The compounding of boscalid and fludioxonil has obvious synergistic effect, and the control effect on botrytis cinerea is obviously better than that of single agent.

[0078] 3. Wat...

Embodiment 3

[0080] Example 3: 20% boscalid iprodione aqueous emulsion

[0081] Boscalid 5%, iprodione 15%, xylene 10%, calcium dodecylbenzenesulfonate 5%, Nongru 600# 5%, water to make up to 100%.

[0082] This embodiment is applied to tomato botrytis. Dilute and spray 20% boscalid·iprodione aqueous emulsion 500 times (the effective concentration of boscalid is 100 μg / ml, and the effective concentration of iprodione is 300 μg / ml) with water. The control effects were 97.6% and 96.9% respectively. 20% boscalid suspension was used 1000 times (effective concentration is 200 μg / ml) and 20% iprodione suspension was 500 times (effective concentration was 400 μg / ml), used in the same way, after 7 days and 15 days after the drug The control effects of days were 88.9%, 85.7%, and 86.3%, 84.5%, respectively. Boscalid and iprodione have obvious synergistic effect after compounding, and the control effect on tomato gray mold is obviously better than that of single agent.

[0083] 4. Suspending age...

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Abstract

The invention relates to a bactericidal composition, the effective ingredients of which are boscalid (A) and one (B) of iprodione and fludioxonil, and the mass ratio of A to B is 50:1-1:50. The effective ingredients A and B have obvious synergized action after being compounded, and are used for preventing and treating gray mold of crops, such as fruit trees, flowers, cotton, wheat, paddy, rape, vegetables 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] 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] Boscalid, English common name boscalid, chemical na...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/38A01N43/40A01N43/36A01P3/00
Inventor 张洪张承来曹明章刘胜召殷如龙王新军孔建
Owner SHENZHEN NOPOSION AGROCHEM
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