Rapid screening method for identification of tomato cold resistance and application

A screening method, cold resistance technology, applied in the fields of application, horticultural methods, botanical equipment and methods, etc., can solve the problems of poor repeatability, large amount of data, unstable traits, etc.

Inactive Publication Date: 2017-11-24
安徽普元生物科技股份有限公司
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AI Technical Summary

Problems solved by technology

[0005] Relying on the natural cold climate approach to screen excellent cold-resistant plants, the amount of resources is too large, the cycle is too long, and the traits are unstable, etc.
In addition, some indoor screening methods, such as the determination of proline and soluble sugar, ...

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  • Rapid screening method for identification of tomato cold resistance and application
  • Rapid screening method for identification of tomato cold resistance and application
  • Rapid screening method for identification of tomato cold resistance and application

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Embodiment Construction

[0022] The tomato strains used in the test are all provided by the School of Life Sciences, University of Science and Technology of China, and the technical scheme of the present invention is further described by specific examples:

[0023] The varieties involved in the test are: three groups of tomato varieties with different degrees of cold resistance, cold-resistant varieties K1, K2, K3; non-cold-resistant varieties P1, P2, P3. Get K1 and P1 to measure relative conductivity after cold treatment under specific conditions. The experimental method is the same as the technical scheme of the content of the invention. The measured conductivity values ​​of K1 and P1 are shown in Table 2 below. K2, K3 and P2, P3 continue to be normal after cold treatment Cultivate in the culture room for a week, see the growth status figure 1 , figure 2 .

[0024]

[0025] The results show that: under the above-mentioned conditions of cold treatment, the electrical conductivity of the cold-re...

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PUM

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Abstract

The invention provides a rapid screening method for identification of tomato cold resistance. Known tomato varieties with different cold resistant abilities are utilized, firstly brief drought treatment is carried out, then study is carried out on the cold treatment conditions of the overall plants, and conductivity of overground stems and leaves subjected to cold treatment is determined, correlation of tomato plant cold resistant degree and conductivity under specific treatment condition is established, a numerical range for differentiating the conductivity of different tomato cold resistant varieties can be acquired, so that simple and rapid evaluation of plant cold resistance can be carried out on mass different tomato varieties (lines), and cold resistant tomato varieties (lines) can be selected and cultivated. According to the invention, the cold resistance screening of the whole process is conducted under controllable conditions, the screening result is reliable, the method is simple, and the screening cost is low.

Description

technical field [0001] The invention relates to a rapid screening method and application for identification of tomato cold resistance, which can be used for screening and identification of new cold-resistant varieties (lines) such as tomato, melon, eggplant and the like. Background technique [0002] Tomato is a warm-loving fruit nightshade. Both high temperature and low temperature will affect its production. In central China, low temperature and cold damage in agricultural and forestry production is a serious natural disaster. In areas with severe frost, the production of nightshade fruits and vegetables will be delayed, the output will decline, and even stop growing. According to statistics, the annual loss caused by freezing damage in my country can reach more than 10 million mu. Therefore, the breeding of cold-resistant crop varieties in agricultural production is of great significance in the cultivation of dominant varieties. [0003] The planting of tomato is quite e...

Claims

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Application Information

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IPC IPC(8): G01N27/04A01G1/00A01G7/00A01G9/10
CPCG01N27/041A01G7/00A01G24/00
Inventor 孙佳佳
Owner 安徽普元生物科技股份有限公司
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