Compound pesticide containing cyprodinil and ningnanmycin

A kind of technology of ningnanmycin and cyprodinil, applied in the field of pesticides

Active Publication Date: 2011-08-24
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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  • Compound pesticide containing cyprodinil and ningnanmycin
  • Compound pesticide containing cyprodinil and ningnanmycin
  • Compound pesticide containing cyprodinil and ningnanmycin

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]1,50% cyprodinil+5% Ningnanmycin wettable powder (WP): get cyprodinil 50g; Ningnanmycin 5g 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.

[0052] 2. 38% cyprodinil + 2% ningnanmycin suspension concentrate (SC): take cyprodinil 38g; ningnanmycin 2g prepared in Example 1; sodium lignosulfonate (dispersant) 3g; Sodium methylene dinaphthalene sulfonate (NNO, dispersant) 2g; Ethylene glycol (antifreeze) 4g; Xanthan gum (thickener) 0.2g; Silicone oil (defoamer) 0.3g; 100g.

[0053] 3, 20% cyprodinil+5% ningnanmycin microemulsion (ME): get cyprodinil 20g; Ningnanmycin 5g prepared in Example 1; acetone (solvent) 30g; dodecyl Calcium benzenesulfonate (emulsifier) ​​4g; Styrylphenol polyoxyethylene ether (emulsifier) ​​6.5g; Tristyrylphe...

Embodiment 3

[0056] The control effect of embodiment 3 compound pesticides

[0057] We used 38% cyprodinil+2% Ningnanmycin suspension (SC1) prepared according to Example 2 and an equivalent amount of commercially available 50% cyprodinil suspension (purchased from Yantai Keda Chemical Co., Ltd.) (SC2) and 38% cyprodinil+2% Ningnanmycin suspension concentrate (SC3) prepared with the original drug; 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 experiments 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 again, and the effect of controlling rice blast was observ...

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Abstract

The invention provides a pesticide composition which contains cyprodinil and ningnanmycin, wherein ningnanmycin is purified or provided by a ningnanmycin-containing composition. Besides, the invention also provides pesticide formulations 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 cyprodinil, 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] Cyprodinil (cyprodinil) is a pyrimidine amine fungicide, which has low toxicity and has special effects on crop gray mold. , morpholines, dicarboxylic acid imines, and phenylpyrrole fungicides have no cross-resistance, and can be used to control gray mold, powdery mildew, scab, infestation blight, and wheat eye spot (see Shen Yingchun. Indoor toxicity test and field efficacy test of cyprodinil against Botrytis cinerea. Pesticides, Vol. 49, No. 4: 306-307). However, the combined administration of cyprodinil and ningnanmycin has not been reported. [0003] Ni...

Claims

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Application Information

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IPC IPC(8): A01N43/54A01N43/16A01N25/14A01N25/12A01N25/04A01P3/00C12P21/02C12R1/57
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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