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Pesticide composition containing tetramycin and sedaxane

A technology of fluoxafen and pesticide composition, applied to pesticide composition and its application field, can solve the problems of easy to produce drug resistance control effect, unsatisfactory and the like, and achieve the advantages of reducing energy consumption, reducing auxiliary agent and improving effect. Effect

Inactive Publication Date: 2015-12-30
GUANGDONG ZHONGXUN AGRI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to solve the problem of easy occurrence of drug resistance in the existing pesticide application technology and the unsatisfactory actual control effect, to provide a high-efficiency, low toxicity, good quick-acting and long-lasting effect, which is not easy to produce drug resistance and is safe for crops. , a pesticide composition containing tetramycin and fenfluxamin, which is conducive to the realization of integrated pest management

Method used

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  • Pesticide composition containing tetramycin and sedaxane
  • Pesticide composition containing tetramycin and sedaxane

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Example 1: Indoor virulence test for Rhizoctonia solani mixed with tetramycin and fenfluxamin.

[0023] Referring to the standard bioassay method NY / T1156.2-2006, the drug-containing medium method is adopted: take 6 mL of the drug solution with a series concentration of each single agent and mixed agent, add it to 54 mL of PDA medium cooled to 45 ° C, and prepare the A plate of drug-containing media is required at the final concentration. Then, a 6mm-diameter hyphae piece was prepared from the edge of the target bacterial colony cultured for 7 days, and moved to each series of drug-containing medium, with the hyphae facing down, and each treatment was repeated 4 times. After the treatment, they were cultured in a constant temperature biochemical incubator at 25±1°C. After 3 days, the medium plate was taken out, and the colony diameter of each treatment was measured by the cross method, and the mycelial growth inhibition rate of each treatment was calculated.

[0024] ...

Embodiment 2

[0028] Example 2: 19.16% tetramycin·fluxazone suspension.

[0029] Tetramycin 0.1% (active ingredient), pyraclostrobin 19.5% (active ingredient), polycarboxylate 4% (dispersant), sodium lignosulfonate 3% (dispersant), Nongru 700#5 % (Emulsifier), Sodium Lauryl Sulfate 2% (Wetting Agent), Xanthan Gum 2% (Thickener), Silicone 1% (Defoamer), Urea 1% (Antifreeze), Make up to 100% (filler) with deionized water. The raw materials were weighed in proportion, stirred and mixed, ground by a ball mill, and sheared by a high-speed shearing machine to obtain a 19.6% tetramycin·fluxazone suspension concentrate.

Embodiment 3

[0030] Example 3: Field efficacy test of 19.6% tetramycin·fluxazone suspension concentrate for controlling rice sheath blight.

[0031] The test site is Chuao Village, Renshan Town, Huidong County, Huizhou City, Guangdong Province. The pesticide was sprayed with water at the early stage of rice sheath blight, and the control effect was investigated 5 days and 10 days after spraying.

[0032] As can be seen from Table 2, the prevention and treatment of rice sheath blight disease, 19.6% tetramycin·fluxazone suspension concentrate active ingredient dosage 15~20 grams / hectare 5 days, 10 days control effect 84.34~89.65%, 91.57-94.23%, the control effect is obviously better than a single agent of 44% flufenoxetine suspension concentrate and 0.15% tetramycin water agent, and the agents have no adverse effects on rice.

[0033] Table 2. Field efficacy test results of 19.6% tetramycin·fluxastrobin suspension concentrate for controlling rice sheath blight.

[0034]

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Abstract

The invention discloses a pesticide composition containing tetramycin and sedaxane. The effective constituents are the tetramycin and the sedaxane, the weight part ratio of the tetramycin to the sedaxane in the composition is 20:1-1:40, and the weight sum of the tetramycin and the sedaxane accounts for 5%-50% of the weight percentage content of the composition. The pesticide composition can be processed into a suspending agent and is suitable for prevention and treatment of crop diseases such as a rice sheath blight disease caused by infection of rhizoctonia solani. According to the pesticide composition, the using dosage of pesticide is lowered, the using frequency of the pesticide is reduced, the using cost of the pesticide is lowered, and the pesticide composition is safe to crops.

Description

technical field [0001] The present invention relates to a pesticide composition and its application field, in particular to a pesticide composition with tetramycin and fenfluxamin as active ingredients, which is used to prevent and treat crop diseases caused by Rhizoctonia solani infection, Such as: rice sheath blight. Background technique [0002] Rhizoctonia solani (Rhizoctonia solani) is a half-knowledge fungus of the genus Rhizoctonia in the family Apoporaceae. The diseases caused by the infection of Rhizoctonia solani include rice sheath blight, potato stem rot, and peanut blight , Soybean Fusarium root rot, cabbage brown rot, cabbage leaf rot, cabbage black root disease, broccoli blight, chicory brown rot, water spinach rot and other diseases seriously affect agricultural production. In order to effectively control Rhizoctonia solani and protect crops from losses caused by R. Disclosed in the literature, a large number of chemicals have been used in practice. [000...

Claims

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Application Information

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IPC IPC(8): A01N43/90A01P3/00A01N43/56
Inventor 陈佛祥张志伟吴泽伟朱刚王礼文颜石雷
Owner GUANGDONG ZHONGXUN AGRI TECH
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