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Method for preventing and treating tobacco bacterial wilt

A technology for tobacco bacterial wilt and tobacco seedlings, applied in the field of plant disease prevention and control, can solve the problems of being easily restricted and interfered by environmental factors, slow in biological pesticide control effect, complex effective active ingredients, etc. Control effect, easy to grasp effect

Inactive Publication Date: 2015-03-18
TOBACCO RES INST OF HUBEI PROVINCE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the control effect of biological pesticides is generally slow, and the effective active ingredients are relatively complex, which is easily restricted and interfered by environmental factors, and its validity period is short and its quality stability is poor.

Method used

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  • Method for preventing and treating tobacco bacterial wilt
  • Method for preventing and treating tobacco bacterial wilt
  • Method for preventing and treating tobacco bacterial wilt

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] The comparative test of embodiment one:

[0017] The applicant is for verifying and popularizing the method for preventing and treating tobacco bacterial wilt described in the present invention, carried out respectively at the same place (Zhutian Village, Liangwu Township, Lichuan City, and Wanjiaba, Dingzhai Township, Xianfeng County) planted in Example 1 A comparative test of pesticides for the control of tobacco bacterial wilt was conducted in random blocks and repeated three times. The area of ​​each plot is 3.6m×13.2m, 72 tobacco plants are planted, 216 tobacco plants are selected for each chemical treatment method, and the half growth period is covered with film. And the water treatment was used as the control to calculate the relative control effect of the medicament.

[0018] Three treatment methods were used in the comparison test in Zhutian Village, Liangwu Township, Lichuan City, and Wanjiaba, Dingzhai Township, Xianfeng County:

[0019] Treatment 1: Dilute...

Embodiment 2

[0027] On the basis of the experiment in 2009, in 2010, in the yellow-brown soil where the soil is argillaceous rock slope deposits, the soil fertility is relatively balanced, the soil texture is loose, the permeability is good, and the fertility is good in Lichuan and Xianfeng respectively. The "Field Drug Efficacy Screening Test for Controlling Tobacco Bacterial Wilt" was carried out. The test was arranged in random blocks and repeated three times. There are 4 rows of tobacco in each plot, 20 plants in each row, and 80 tobacco plants; the distance between rows is 1.1m, the distance between plants is 0.6m, and the half growth period is covered with film. Adopt this method to wherein 240 tobacco strains have been processed, concrete processing method is as follows:

[0028] (1) Weigh 12g of Likujing wettable powder produced by Shandong Libang Chemical Co., Ltd., dilute the weighed 12g of Likujing wettable powder and water according to the weight ratio of 1:1000 to prepare Liku...

Embodiment 3

[0048] On the basis of the experiments in 2009 and 2010, in 2011, Yunyan 87 was carried out in the tobacco planting area in Example 1 and Example 2 for the "Field Drug Efficacy Re-experiment for the Prevention and Treatment of Tobacco Bacterial Wilt". Arrange and repeat three times. There are 3 rows of tobacco in each plot, 30 plants in each row, and 90 tobacco plants; the row spacing is 1.1m, the plant spacing is 0.6m, and the film is covered in the half growth period. 270 tobacco strains were treated with the method described in the present invention and other drug treatment methods, and the relative control effect of the drug was calculated with the water treatment as a control.

[0049] Processing method described in the present invention is as follows:

[0050] (1) Weigh 13.5g of Likujing wettable powder produced by Shandong Libang Chemical Co., Ltd., dilute the weighed 13.5g of Likujing wettable powder and water according to the weight ratio of 1:1200 to prepare Likujin...

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Abstract

The invention provides a method for preventing and treating tobacco bacterial wilt, and belongs to the technical field of protecting of plants. The method for preventing and treating the tobacco bacterial wilt includes the first step, when tobacco seedlings are transplanted, Likujing (a kind of farm chemical) and water are mixed according to the weight ratio of 1:800-1200 to prepare Likujing pesticide liquid in a diluting mode, root-irrigation is performed on the tobacco seedlings with the Likujing pesticide liquid, and 40-60ml pesticide liquid is used for the root-irrigation of each tobacco seedling; the second step, in the early period of morbidity of tobacco plants, Baikang (a kind of farm chemical) and water are mixed according to the weight ratio of 1:500-1000 to prepare Baikang pesticide liquid, the Baikang pesticide liquid is sprayed on the rootstock portions of the tobacco pants in the morbidity, and 75-150ml pesticide liquid is sprayed on each tobacco plant. The method for preventing and treating the tobacco bacterial wilt has the advantages of being scientific, practical, easy and convenient to operate, easy to master, free of affecting production value and yield of tobacco leaves, free of negative affects on the environment and the like, and has good preventing and treating effect on the tobacco bacterial wilt, the occurrence rate of the tobacco bacterial wilt is obviously reduced after the method is adopted, and therefore the quality of tobacco can be improved, and the method is suitable for being popularized in a larger area.

Description

technical field [0001] The invention belongs to methods for preventing and treating plant diseases, in particular to a method for preventing and treating tobacco bacterial wilt. Background technique [0002] Tobacco bacterial wilt (Tobacco bacterial wilt) is one of the most devastating diseases in tobacco production. It spreads all over the world's major tobacco-producing areas. The pathogen Pseudomonas solanacearum (E.F.Smith) Smith is called Pseudomonas solanacearum, which belongs to bacteria. In my country, tobacco bacterial wilt has always been one of the main diseases affecting tobacco production, and tobacco scientific and technological workers have been devoting themselves to research on the prevention and control of tobacco bacterial wilt. Traditional chemical control methods not only have high costs, heavy pollution, and damage to soil ecology, but also cause excessive residues of harmful substances. Because biological control overcomes the above disadvantages of c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G13/00A01G7/06
Inventor 李锡宏黎妍妍许汝冰上官力
Owner TOBACCO RES INST OF HUBEI PROVINCE
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