Method for comprehensively preventing and controlling tobacco bacterial wilt

A technology for comprehensive prevention and treatment of bacterial wilt disease of tobacco, which is applied in fields such as land preparation methods, botanical equipment and methods, horticulture, etc., can solve problems such as planting area limitation, difficulty in promotion, etc., and achieve the effect of reducing the loss of tobacco leaves

Inactive Publication Date: 2009-12-16
SOUTHWEST UNIVERSITY
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  • Summary
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In terms of biological control, no biocontrol agent with stable effect has been found yet. Although the effect of crop rotation is good, it is difficult to popularize due to the limitation of planting area.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0014] Set up comprehensive prevention and control fields and conventional management control fields for tobacco farmers. The comprehensive prevention and control fields are implemented according to the plan of "removal of diseased residues + deep ditches and high compartments + biocontrol agents + chemical agents", and the conventional management fields of tobacco farmers are implemented according to the plan of "conventional ditching + chemical agents" . The specific treatment plan for the comprehensive control field is as follows:

[0015] (1) Field cleaning: 15 to 20 days after the harvest of tobacco leaves, pull out the stems and remove the sick and residual bodies;

[0016] (2) Deep ditch and high chamber drainage: open side ditches around the tobacco field during the field period, and at the same time open a deep ditch in the center of the tobacco field, open 2 to 3 middle ditches per mu of field, and the ditch depth is 35cm;

[0017] (3) application of biocontrol fung...

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Abstract

The invention relates to a method for comprehensively preventing and controlling tobacco bacterial wilt. The method comprises the following steps of: mainly applying a biological anti-microbial agent Qing weisan; supplementing a chemical agent, namely 72 percent agricultural streptomycin sulphate soluble powder; clearing away the refuse in a tobacco field in winter; and taking tillage measures of deep furrow drainage in a field period. The comprehensive preventing and controlling treatment measures have the practical application value of controlling diseases and promoting production and reduce the tobacco loss. Field experiments show that the disease incidence and the disease index of the tobacco bacterial wilt in the comprehensive preventing and controlling field are obviously lower than those of a comparison field, and the relative preventing effect reaches 81.2 percent.

Description

technical field [0001] The invention relates to the technical field of crop disease prevention and control, in particular to a method for comprehensive prevention and treatment of tobacco bacterial wilt. Background technique [0002] Tobacco bacterial wilt is an important bacterial disease of tobacco in tropical and subtropical regions, and it is mainly transmitted by rain in the field. At present, it is common in the Yangtze River Basin and its south tobacco-growing areas in my country, and it often breaks out for years, causing devastating losses and seriously restricting the sustainable and stable development of tobacco leaf production in my country. [0003] Where the drainage is poor, the soil moisture is too high, and the disease is serious. Land with low-lying terrain and heavy soil is also prone to induce bacterial wilt. The incidence of bacterial wilt is severe in continuous cropping in tobacco fields, and agricultural operations will also aggravate the occurrence...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/00A01G13/00A01B79/00
Inventor 马冠华肖崇刚陈国康易龙窦彦霞董国菊
Owner SOUTHWEST UNIVERSITY
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