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Pesticide composition containing tetramycin and dithianon

A technology of pesticide composition and dicyanoanthraquinone, which is applied in biocides, animal repellents, plant growth regulators, etc., can solve the problems of unsatisfactory and easy-to-produce drug resistance control effects, and achieve the reduction of adjuvants, Reduced energy consumption and improved effects

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 generation 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 dicyanoanthraquinone that is beneficial to the realization of integrated pest management

Method used

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  • Pesticide composition containing tetramycin and dithianon
  • Pesticide composition containing tetramycin and dithianon

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Example 1: Indoor toxicity determination test of tetramycin mixed with dicyanoanthraquinone against Pleurotus sp.

[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 cal...

Embodiment 2

[0028] Example 2: 20% tetramycin·dicyananthraquinone suspension.

[0029] Tetramycin 0.3% (active ingredient), dicyanoanthraquinone 19.7% (active ingredient), lignin 1% (dispersant), polycarboxylate 2% (dispersant), sodium lauryl sulfate 2% ( Wetting agent), white carbon black 1% (thickener), silicone 1% (defoamer), ethylene glycol 3% (antifreeze), deionized water to 100% (filler). The raw materials are weighed in proportion, stirred and mixed, ground by a ball mill, and sheared by a high-speed shear to prepare a 20% tetramycin·dicyananthraquinone suspension.

Embodiment 3

[0030] Example 3: Field efficacy test of 20% tetramycin·dicyananthraquinone suspension concentrate for controlling cucumber anthracnose.

[0031] The test site is Bazai Village, Renshan Town, Huidong County, Huizhou City, Guangdong Province. The pesticide was sprayed with water at the early stage of cucumber anthracnose, 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 cucumber anthracnose disease, the active ingredient dosage of 20% tetramycin dicyanoanthraquinone suspension concentrate is 100~150 grams / hectare 5 days, 10 days control effect 81.68~85.06%, 86.41~ 90.63%, the control effect is obviously better than a single dose of 25% dicyanoanthraquinone suspension concentrate and 0.15% tetramycin water spray, and the medicines have no adverse effects on rice.

[0033] Table 2, 20% Tetramycin·Dicyananthraquinone Suspension Concentrate of Controlling Cucumber Anthracnose Field Effic...

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Abstract

The invention discloses a pesticide composition containing tetramycin and dithianon. The effective constituents are the tetramycin and the dithianon, the weight part ratio of the tetramycin to the dithianon in the composition is 1:10-1:500, and the weight sum of the tetramycin and the dithianon accounts for 1%-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 cucumber anthracnose. 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 invention relates to a pesticide composition and its application field, in particular to a pesticide composition with tetramycin and dicyanoanthraquinone as active ingredients. Background technique [0002] Cucumber anthracnose is a disease caused by the fungus of the subphylum Auteromycetes and the infection of Colletotrichum morbiculare in Cucurbitaceae. Cucumber anthracnose can occur from seedlings to adult plants, and the disease occurs on seedlings, mostly on the edge of cotyledons. Oval light brown lesions with orange-yellow dot-like gums; adult leaves infected, lesions nearly round, 4-18 mm in diameter, grayish brown to reddish brown, when severe, leaves dry; stems and petioles infected The lesions are oval or oblong, yellowish-brown, slightly sunken, and in severe cases, the lesions connect and circle the stem, and the plant dies; the melon strips are infected, and the lesions are nearly round. The spot is slightly sunken, with pink sticky...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/90A01N25/04A01P3/00A01N43/32
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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