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Method for screening and researching anti-thrips trait in tobacco field

A technology of tobacco and traits, which is applied in the field of tobacco resistance to thrips traits screening and can solve problems such as environmental pollution and ecological balance destruction

Active Publication Date: 2019-08-23
YUNNAN TOBACCO WENSHANZHOU CO +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] The purpose of the present invention is to provide a screening research method for tobacco field resistance to thrips traits, to solve the problem of using chemical insecticides to kill the pests while also killing the natural enemies of the pests, causing the destruction of ecological balance and the pollution of the environment

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  • Method for screening and researching anti-thrips trait in tobacco field
  • Method for screening and researching anti-thrips trait in tobacco field
  • Method for screening and researching anti-thrips trait in tobacco field

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Embodiment Construction

[0028] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0029] A method for screening and researching resistance to thrips in a tobacco field, the method of the present invention comprises the following steps: 1) material selection; 2) sowing in a plot; 3) statistics; 4) data analysis; 5) calculating the incidence index of tobacco thrips , to obtain the resistance screening categories of each variety of tobacco to thrips insect resistance.

[0030] Further, step 1) of the present invention selects materials, specifically: the tobacco varieties for testing are provided by Wenshan Tobacco Company in Yunnan Province, and the selected varieties are respe...

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Abstract

The invention discloses a method for screening and researching anti-thrips trait in a tobacco field. The method comprises the following steps: 1) selecting materials; 2) sowing seeds on a sample plot;3) counting data; 4) analyzing the data; and 5) calculating the disease index of tobacco thrips to obtain resistance screening categories of tobacco varieties to thrips insect resistance. The methodis carried out under the condition that thrips are naturally sensed in the tobacco field, compared with the traditional insect-receiving test, the method has the advantages that the thrips-resistant characters of different types and varieties of tobaccos in the natural state can be reflected, and meanwhile, the method is more easily influenced by the natural environment. The method can provide a theoretical basis for large-area popularization of tobacco production in areas where thrips occur seriously in the future.

Description

technical field [0001] The invention relates to the technical field of comprehensive management of tobacco pests, in particular to a method for screening and researching tobacco resistance to thrips. Background technique [0002] Tobacco is an important economic crop in Yunnan Province, and its area and total output both rank first in the country. The occurrence of insect damage seriously affects its quality and yield, and then affects the economic income of tobacco growers. Among them, thrips is one of the important pests that harm tobacco. Thrips is a general term for Thysanoptera insects. In addition to directly feeding on tobacco and causing harm to tobacco, thrips can also efficiently transmit a variety of plant viruses. The economic loss caused by virus transmission is far greater than the harm caused by direct feeding, which seriously threatens tobacco leaf production. [0003] At present, there are more than 7,700 species of thrips reported in the world. The inves...

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Application Information

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IPC IPC(8): A01G7/00A01G22/45
CPCA01G7/00A01G22/45
Inventor 殷红慧张晓明朱艳梅徐天养陈国华吴道慧张传树王竞戴珏陈斌胡昌雄
Owner YUNNAN TOBACCO WENSHANZHOU CO