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Polyoxin and ningnan mycin compounded pesticide

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

Active Publication Date: 2013-04-10
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

[0008] 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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  • Polyoxin and ningnan mycin compounded pesticide
  • Polyoxin and ningnan mycin compounded pesticide
  • Polyoxin and ningnan mycin compounded pesticide

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] Embodiment 1 The preparation of the composition containing Ningnanmycin

[0044] 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

[0048] The formula of embodiment 2 compound pesticides

[0049] 1,2% polyoxin+2% Ningnanmycin wettable powder (WP): get polyoxin 2g; 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) to make up to 100g, crushed into wettable powder.

[0050] 2, 1% polyoxin+1% Ningnanmycin water dispersible granules (WG): get polyoxin 1g; Ningnanmycin 1g prepared in Example 1; Sodium alkylnaphthalene sulfonate (dispersant ) 4g; sodium lignosulfonate (dispersant) 8g; sodium lauryl sulfate (wetting agent) 1.5g; ammonium sulfate (disintegrant) 5g; light calcium carbonate (filler) to 100g, crushed.

Embodiment 3

[0051] The control effect of embodiment 3 compound pesticides

[0052] We used 2% polyoxin + 2% Ningnanmycin wettable powder (WP1) prepared according to Example 2 and an equivalent amount of commercially available 5% polyoxin wettable powder (purchased from Japan Research Pharmaceutical Co., Ltd. ) (WP2) and 2% polyoxin + 2% Ningnanmycin wettable powder (WP3) prepared with the original drug; it refers to the corresponding formula of Example 2, but with Ningnanmycin Qianger Biochemical Technology Development Co., Ltd.) instead) to do field test comparisons to show its control effect on various crops.

[0053] (1) Field efficacy test of rice stripe leaf blight

[0054] In the high-incidence area of ​​Henan Province, 2 mu of rice test field was divided into equal parts, and each area was tested with WP1, WP2, WP3 and blank control (CP). After 7 days, apply the same amount of pesticide again, and observe the effect of controlling rice stripe leaf blight on the 7th day after the la...

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Abstract

The invention provides a pesticide composition, which comprises ningnan mycin and polyoxin, wherein the ningnan mycin is purified or is provided by a ningnan mycin-containing composition. 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, and in particular, the invention relates to a pesticide composition comprising ningnanmycin and polyoxin, wherein ningnanmycin can be provided by a composition containing ningnanmycin. In addition, the present invention also relates to the pesticide formulation prepared from the above agricultural composition and the like. Background technique [0002] Polyoxin is a broad-spectrum antibiotic fungicide, which has good systemic properties, interferes with the biosynthesis of the cell wall of the bacteria, and can also inhibit the sporulation of bacteria and the expansion of lesions. It is effective against cucumber downy mildew, powdery mildew Disease, ginseng black spot, apple pear gray spot and rice sheath blight have good control effect. However, the combined administration of polyoxin and Ningnanmycin has not been reported. [0003] Ningnanmycin (ningnanmycin) is a kind of basic water-soluble cytosi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N47/12A01N43/54A01N43/16A01P3/00C12P21/02C12R1/465
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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