Rhizospheric prebiotics composition for reducing incidence rate of tomato bacterial wilt and application of composition

A prebiotic and composition technology, applied in the field of rhizosphere prebiotic composition, can solve problems such as failure to achieve effects, and achieve the effects of reduced investment, easy availability of raw materials, and better comprehensive prevention and control effects.
CN110679408APending Publication Date: 2020-01-14NANJING AGRICULTURAL UNIVERSITY
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
NANJING AGRICULTURAL UNIVERSITY
Publication Date
2020-01-14

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Abstract

The invention discloses a rhizospheric prebiotics composition for reducing the incidence rate of tomato bacterial wilt and an application of the composition. The soil microbial prebiotics compositioncomprises a carbohydrate substance or a carbohydrate substance, an ester substance and an alcohol substance, the carbohydrate substance is selected from any one or more of melibiose, fructose, sucrose, ribose, xylose, mannose and maltose, the ester substance is selected from gluconolactone, and the alcohol substance is selected from any one or two of inositol and ribtol adonite. The prebiotics composition is applied, total bacteria abundance in rhizospheric soil can be improved, proliferation of ralstonia solanaceara is restrained, so that the incidence rate of bacterial wilt is remarkably reduced, and the rhizospheric prebiotics composition is suitable for being applied to crops easily subjected to the bacterial wilt.
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Description

technical field

[0001] The invention belongs to the technical field of agricultural chemicals, and relates to a rhizosphere prebiotic composition for reducing the incidence of tomato bacterial wilt and its application. Background technique

[0002] Tomato bacterial wilt is a common soil-borne bacterial disease. It is easy to occur in continuous cropping fields under high temperature and high humidity conditions. In the early stage of the disease, the aboveground part of the plant will show symptoms of wilting, but the leaves will remain green. As the disease spreads , it will cause large areas of wilting of tomato plants and a sharp drop in tomato yield. The pathogen of tomato bacterial wilt is Ralstonia solanacearum. Ralstonia solanacearum can invade the xylem vessel of the plant through the plant root system and proliferate in large numbers, resulting in plant death. The host range of R. solanaceae is very wide, and it can infect more than 200 kinds of monocotyledonous an...

Claims

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