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Application of dibenzofuran to prevention and control of chili root rot and bacterial wilt

A technology for pepper root rot and pepper bacterial wilt, applied in the application field of dibenzofuran in the prevention and treatment of pepper root rot, can solve the problems of high labor cost and complicated operation, and achieve the effect of easy artificial synthesis

Inactive Publication Date: 2018-03-09
段曦
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In current agricultural production, grafting is the most effective way to prevent pepper root rot, but its labor cost is high and the operation is complicated, so there is an urgent need to develop effective agents

Method used

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  • Application of dibenzofuran to prevention and control of chili root rot and bacterial wilt
  • Application of dibenzofuran to prevention and control of chili root rot and bacterial wilt
  • Application of dibenzofuran to prevention and control of chili root rot and bacterial wilt

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Embodiment Construction

[0014] The present invention is described in detail below in conjunction with accompanying drawing and specific embodiment:

[0015] 1. Component analysis of capsicum root exudates

[0016] The rootstock variety tested is 'Guardian' (WS, Japan), a pepper rootstock variety with good resistance screened out by our laboratory in recent years, and the scion is 'Xinfeng 2' (XF) pepper (thin-skinned type, Xiaoxian County, Anhui Province Xinfeng Pepper Research Institute). Root rot pathogen is Fusarium solani ( Fusarium solani ) was isolated from pepper root rot diseased plants in Zaozhuang Agricultural Science and Technology Demonstration Park, Shandong, and the pathogenic bacteria of bacterial wilt was Pseudomonas (Ralstonia solanacearum) purchased from the Guangzhou Microorganism Culture Collection Center. Diisooctyl phthalate was purchased from Aladdin (Aladdin).

[0017] Root exudates from rootstock, grafted and self-rooted peppers were analyzed and listed in Table 1. The ...

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Abstract

The invention discloses application of dibenzofuran to prevention and control of chili root rot and bacterial wilt. A test proves that the inhibition rate of a 0.1g.L<-1> to 0.4g.L<-1> dibenzofuran compound preparation on fusarium solani reaches 5.5 percent to 25 percent and the bacterium inhibition rate on pseudomonas (ralstonia solanacearum) is 14 percent to 45 percent; the test proves that thecompound has certain chili root rot fusarium solani resisting and chili bacterial wilt pseudomonas resisting activity. The compound disclosed by the invention has a simple structure and artificial synthesis is easy to realize; the compound has good activity and has a remarkable effect on the chili root rot caused by the fusarium solani and the bacterial wilt caused by the pseudomonas (ralstonia solanacearum), has no damages on chili plants and can be used for producing chilies.

Description

technical field [0001] The invention relates to the field of phytochemistry and application technology, in particular to the application of dibenzofuran in preventing and treating pepper root rot. Background technique [0002] Fusarium solani ( Fusarium solani ) is the causative agent of pepper root rot, which belongs to Tumoraceae and Fusarium genus. The pathogen can survive for more than 10 years in the soil for a long time. The pathogen survives the winter in the soil with chlamydospores, mycelia or sclerotia along with the diseased residues. The overwintering bacteria spread by rainwater at the beginning of the next year and invade from the rhizomes and root wounds. , the conidia produced by the diseased part spread by rainwater. It is easy to occur under high-temperature and high-humidity climate conditions, especially after several days of continuous rainfall, the disease symptoms increase significantly. That is, the plots with continuous cropping and poor drainage ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/12A01P3/00A01P1/00
CPCA01N43/12
Inventor 段曦艾希珍李宜铭吴帼秀毕焕改
Owner 段曦