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Composite pesticide of azoxystrobin and ningnan mycin

A technology of Ningnanmycin and azoxystrobin, applied in the field of pesticides

Active Publication Date: 2011-05-25
德强生物股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] This composition can be prepared at one time, and the composition ratio is stable. Although Ningnanmycin only accounts for about 40% of the weight of the composition, it can still play the same agricultural role as the existing commercially available Ningnanmycin. Control effect

Method used

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  • Composite pesticide of azoxystrobin and ningnan mycin
  • Composite pesticide of azoxystrobin and ningnan mycin
  • Composite pesticide of azoxystrobin and ningnan mycin

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] Embodiment 1 The preparation of the composition containing Ningnanmycin

[0046] Inoculate the frozen Streptomyces noursii var. Xichang (purchased from Heilongjiang Biopesticide Engineering Technology Research Center) on a freshly prepared solid medium, at 28 ° C, 80% relative humidity, and under the condition of sterile air circulation Cultured for 16 days for rejuvenation, and the resulting strain spores were picked. Then produce mycelium, that is, to inoculate the spores of the strain on the freshly prepared solid medium, and culture it aerobically at 28°C, 80% relative humidity, and under the condition of sterile air circulation for 14 days, and the mycelium can be clearly seen produce. Carry out proliferation culture then, promptly use the first freshly prepared liquid medium to wash mycelia from the surface of the solid medium and enter a 1L Erlenmeyer flask, add the first freshly prepared liquid medium to supplement to a medium volume of 250ml, Incubate for 14 ...

Embodiment 2

[0050] The formula of embodiment 2 compound pesticides

[0051]1. 45% azoxystrobin + 2% Ningnanmycin wettable powder (WP): take azoxystrobin 45g; Ningnanmycin 2g prepared in Example 1; sodium lauryl sulfate (wetting agent) 2g ; Sodium lignosulfonate (dispersant) 4g; Sodium methylene dinaphthalene sulfonate (NNO, dispersant) 5g; Kaolin (filler) made up to 100g, crushed into wettable powder.

[0052] 2, 20% azoxystrobin + 5% Ningnanmycin suspension concentrate (SC): take azoxystrobin 25g; Ningnanmycin 5g prepared in Example 1; sodium lignosulfonate (dispersant) 3g; methylene Sodium dinaphthalenesulfonate (NNO, dispersant) 2g; ethylene glycol (antifreeze) 4g; xanthan gum (thickener) 0.2g; silicone oil (defoamer) 0.3g; deionized water to make up to 100g.

[0053] 3. 15% azoxystrobin + 8% Ningnanmycin microemulsion (ME): take azoxystrobin 15g; Ningnanmycin 8g prepared in Example 1; acetone (solvent) 30g; dodecylbenzenesulfonate Calcium acid calcium (emulsifier) ​​4g; Styrylphenol...

Embodiment 3

[0056] The control effect of embodiment 3 compound pesticides

[0057] We dilute the 20% azoxystrobin+5% Ningnanmycin suspension concentrate (SC1) prepared according to Example 2 with an equivalent amount of commercially available 25% azoxystrobin suspension concentrate (purchased from Syngenta (China) Investment Co., Ltd.) (SC2) and 20% azoxystrobin + 5% Ningnanmycin suspension concentrate (SC3) prepared with the original drug (SC3; it refers to the corresponding formula of Example 2, but with the original drug of Ningnanmycin (purchased from Heilongjiang Qianger Biochemical Technology Development Co., Ltd.) instead) to do field test comparisons to show its control effect on various crops.

[0058] (1) Field efficacy test of rice blast

[0059] In the high-incidence area of ​​Jiangsu Province, 2 acres of rice test field were divided into equal parts, and each area was tested with SC1, SC2, SC3 and blank control (CP). After 7 days, the same amount of pesticide was applied ag...

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Abstract

The invention provides a pesticide composition. The pesticide composition contains ningnan mycin and azoxystrobin, wherein the ningnan mycin is purified or provided by a composition which contains the ningnan mycin. In addition, the invention also provides a pesticide preparation and the like prepared from the pesticide composition.

Description

technical field [0001] The invention belongs to the field of pesticides, in particular, the invention relates to a pesticide composition comprising ningnamycin and azoxystrobin, wherein ningnamycin can be provided by a composition containing ningnamycin. In addition, the present invention also relates to the pesticide formulation prepared from the above agricultural composition and the like. Background technique [0002] Azoxystrobin is a methoxyacrylate antifungal compound developed by British Syngenta Co., Ltd. It has the characteristics of high efficiency, low toxicity, and broad spectrum. It has good control effects on almost all fungal diseases, such as powdery mildew Disease, rust, glume blight, net spot, downy mildew, rice blast, etc., have been widely used in the control of fungal diseases of crops, such as grains, rice, peanuts, grapes, potatoes, fruit trees, vegetables, coffee, lawns, etc. ( See Zeng Qinghua. The Effect of 25% Azoxystrobin SE on Controlling Rice B...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/54A01N43/16A01P3/00C12P1/04C12R1/465
Inventor 孙新宇王敏刘伟徐艳吉
Owner 德强生物股份有限公司
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