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Combination sterilization composition

A composition, the technology of penconazole, which is applied in the direction of fungicides, biocides, biocides, etc., can solve the problems of serious resistance problems, high cost, and resistance generation, and achieve the improvement of drug efficacy, production and use costs The effect of decreasing, increasing safety

Active Publication Date: 2010-01-06
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 supplemented to 100%.

[0046] This embodiment is applied to the control of strawberry powdery mildew. Dilute and spray 10.2% boscalid penconazole EC 500 times (the effective concentration of boscalid is 200 μg / ml, and the effective concentration of penconazole is 4 μg / ml) with water, and the control of The effects were 93.1% and 90.1%, respectively. 25% boscalid suspension concentrate is used in the same way as 1000 times (boscalid effective concentration is 250 μg / ml) and 8% penconazole water dispersible granule is 2000 times (effective concentration is 40 μg / ml), The control effects were 84.3%, 82.7%, 75.4%, 73.3% after 7 days and 15 days after the medicine. The combination of boscalid and penconazole has obvious synergistic effect, and the control effect on strawberry powdery mildew is obviously better than that of sin...

Embodiment 2

[0049] Example 2: 5% boscalid penconazole microemulsion

[0050]Boscalid 2.5%, penconazole 2.5%, N-methylpyrrolidine 10%, isopropanol 10%, Nongru 500#5%, Nongru1601#5%, water to 100%.

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

[0052] 3. Water em...

Embodiment 3

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

[0055] Boscalid 15%, penconazole 10%, N-methylpyrrolidone 10%, calcium dodecylbenzenesulfonate 5%, Nongru 600# 5%, water to make up to 100%.

[0056] This example is applied to powdery mildew of zucchini. Dilute and spray 25% boscalid penconazole aqueous emulsion 2500 times (the effective concentration of boscalid is 60 μg / ml, and the effective concentration of penconazole is 40 μg / ml) and spray it with water. The control effects were 93.1% and 91.4% respectively. 10% boscalid suspending agent is used at 1000 times (effective concentration is 100 μg / ml) and 5% penconazole EC is used at 500 times (effective concentration is 100 μg / ml) in the same way, 7 days and 15 days after the drug The control effects were 73.7%, 70.3%, 86.1%, and 80.3%, respectively. The synergistic effect of the combination of boscalid and penconazole was obvious, and the control effect on zucchini powdery mildew was significantly better than ...

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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 crop disease, which occurs occasionally on cucumbers, wheat, grapes, flowers and other crops, causing heavy losses. Triazoles are still popular agents for the prevention and treatment of powdery mildew, but the problem of resistance is becoming more and more serious. In addition, triazoles can inhibit the growth of crops, and there are hidden 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 nicotinamide fungicide developed by BASF, Germany, with a wide bactericidal spectrum , has protective and therapeutic effects, and can be used to prevent and treat powdery mildew. Mainly by inhibiting mitochondrial succinate dehydrogenase, hindering the tricarboxylic aci...

Claims

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Application Information

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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
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