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Green preventing and control method for tobacco diseases and insect pests

A technology for plant diseases and insect pests and tobacco is applied in the field of green prevention and control of tobacco plant diseases and insect pests.

Inactive Publication Date: 2017-01-04
GUIZHOU TOBACCO CO LTD QIANDONGNAN AUTONOMOUS PREFECTURE BRANCH
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  • Abstract
  • Description
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Problems solved by technology

At present, chemical control is still the main means of preventing and controlling tobacco pests in my country. Long-term and unreasonable use of chemical pesticides will cause the following problems: 1) The ecological environment of tobacco fields has been seriously damaged; 2) The resistance of insect pests is getting stronger and stronger, making chemical pesticides The use of tobacco has increased year by year, forming a vicious circle, polluting the environment, and increasing planting costs; 3) Pesticide residues in tobacco leaves generally exceed the standard, causing long-term hidden harm to consumers. The quality of tobacco leaf products is low, which affects the value of subsequent tobacco leaves

Method used

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Embodiment Construction

[0023] Below in conjunction with accompanying drawing and specific embodiment the invention is further introduced:

[0024] A green method for preventing and controlling tobacco diseases and insect pests, the method comprising the following steps:

[0025] (1) Tobacco field soil improvement and sanitation:

[0026] Before the beginning of spring, plow the tobacco field, clean up and destroy the tobacco field and its surrounding tobacco stems and tobacco plant residues scattered in the previous year, and prohibit farmyard manure with tobacco residues; Apply quicklime 80~120kg / mu, and then use quicklime at 40~60kg / mu to water the smoke ridges at the tree group stage.

[0027] (2) Nitrogen control and densification are implemented in the smoke field:

[0028] Control the application amount of nitrogen fertilizer, apply 6.5±1.0 kg of pure nitrogen per mu to ensure the nitrogen content of the soil, and plant the tobacco plants at a density of 1100-1200 plants / mu.

[0029] (3) Br...

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Abstract

The invention discloses a green preventing and control method for tobacco diseases and insect pests. The green preventing and control method comprises the following steps of (1) soil improving and sanitation of a tobacco land; (2) nitrogen control and densifying of the tobacco land; (3) propagation and releasing of aphidius gifuensis; (4) arranging of an insect trapper on the tobacco land; (5) spraying of biological pesticide. The green preventing and control method has the advantages that by combining the technical means of improving soil of the tobacco land, performing nitrogen control and densifying technologies on the tobacco land, releasing the aphidius gifuensis, arranging the insect trapper, and spraying the biological pesticide, the green preventing and control purpose on the diseases and the insect pests is realized in the tobacco planting process, the usage amount of chemical pesticide is greatly reduced, the influence to the quality of tobacco leaves by the chemical pesticide is reduced, and the pollution to environment is reduced.

Description

technical field [0001] The invention relates to the field of comprehensive prevention and control of plant diseases and insect pests, in particular to a green prevention and control method for tobacco diseases and insect pests. Background technique [0002] my country is the largest tobacco producing country in the world today, and tobacco has become an important economic crop in our country. There are many kinds of tobacco diseases and insect pests, such as tobacco powdery mildew, tobacco red spot disease and tobacco black shank, and major pests such as tobacco aphid, cutworm, tobacco budworm and Spodoptera litura, which are very harmful to tobacco production. At present, chemical control is still the main means of preventing and controlling tobacco pests in my country. Long-term and unreasonable use of chemical pesticides will cause the following problems: 1) The ecological environment of tobacco fields has been seriously damaged; 2) The resistance of insect pests is getti...

Claims

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Application Information

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IPC IPC(8): A01G13/00A01B79/02
CPCA01B79/02A01G13/00
Inventor 杨颜付继刚邹光进杨静杨秀春蔡翼杨肖慈平张继黄清忠黄浩蒋辉倩龙秋蓉潘和平
Owner GUIZHOU TOBACCO CO LTD QIANDONGNAN AUTONOMOUS PREFECTURE BRANCH
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