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Biology coating agent, preparation and application in control of flue-cured tobacco axillary bud thereof

A bio-coating and flue-cured tobacco technology, applied in the field of bio-engineering, can solve the problems of influence of flue-cured tobacco quality, environmental pollution, residual toxicity, etc., achieve good bud suppression effect, do not pollute the environment, and improve the effect of flue-cured tobacco quality

Inactive Publication Date: 2008-12-03
重庆迎龙化工有限公司
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AI Technical Summary

Problems solved by technology

The bud-inhibiting effects of these agents are different, but they are all organic synthetic agents, which have residual toxicity, pollute the environment, affect the quality of flue-cured tobacco, and have high costs. Systemic MH varieties are currently banned

Method used

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Experimental program
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Effect test

Embodiment Construction

[0011] The biological coating agent provided by the invention has an active ingredient of β-phenylethyl alcohol, a molecular weight of 122, and a molecular formula of C 6 h 5 CH 2 -CH 2 OH, the structural formula is

[0012] When preparing the above-mentioned biological coating agent, carry out according to the following processing steps:

[0013] (1), collect the disease specimen of Botrytis Cinerea Persr fungus from the plant (delivered in 1998 to the General Microbiology Center of China Microbiological Culture Collection Management Committee, preservation number CGMCCNO NO 0357-1), select fresh, typical specimens of symptoms to carry out Disinfect the surface, rinse with sterilized water, and then use tissue separation or direct spore shake-off method to separate and purify single spores, and then select the bacteria with strong biological activity and solid fermentation product yield of 25% according to the indoor strain screening and production process method. % to ...

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Abstract

The invention provides a biological coating agent containing active composition beta-phenylethyl alcohol. The biological coating agent is made through the following steps that: plant strains with strong biological activity and high yield are selected from plants through collection, separation and purifying cultivation; wheat sprout-inhibiting quick detection is carried out and then high-yield strains are screened out through repeated comparison; and the biological coating agent is made through cultivation, solvent extraction, concentration and drying. When the biological coating agent is used in the control of flue-cured tobacco axillary bud, the available rate can reach to 92 to 98 percent, and the entire manufacturing process is safe and nontoxic; moreover, the biological coating agent does not contain toxic compositions, thereby causing no environmental pollution and no residual toxicity along with low production cost and low price; in addition, the biological coating agent can also be used in flower and vegetable preserving, crop growing regulation and control so as to improve quality and increase output, and so on.

Description

technical field [0001] The invention belongs to the technical field of bioengineering, and in particular relates to the technology of screening active components from secondary metabolites by utilizing the principle of microbial fermentation and applying them. Background technique [0002] Flue-cured tobacco is one of the economic crops widely planted in more than 100 countries in the world, and the capping and pruning operation in field cultivation management is extremely laborious and laborious. In order to increase the yield of tobacco leaves and reduce fatigue, since the 1950s, many countries have successively applied chemical agents to inhibit the growth of axillary buds. Since the 1980s, my country has introduced Flumetralin (Yiyamin), Maleichydrazide (Yiyadan, Yadi), Pendimethalin (Chuyatong), Butradlin (Zhiyasu) and other tests from abroad. The bud-inhibiting effects of these agents are different, but they are all organic synthetic agents, which have residual toxici...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N31/04C12P7/22A01P21/00
Inventor 沈嘉祥刘令辉陈正邦刘云辉
Owner 重庆迎龙化工有限公司
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