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A method for improving the resistance of plant seeds to imbibition and chilling damage

A technology for imbibition and chilling damage and plant seeds is applied in the treatment of improving the resistance of plant seeds to imbibition and chilling damage. The application field of n-butanol and N-acylethanolamine in improving the resistance of seeds to imbibition and chilling damage can solve the problem of shortening the emergence time, Problems such as poor quality of seedlings and low emergence rate can shorten the emergence time, improve the ability to resist imbibition and cold damage, and improve the emergence rate.

Inactive Publication Date: 2016-09-28
KUNMING INST OF BOTANY - CHINESE ACAD OF SCI
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Problems solved by technology

[0004] The purpose of the present invention is to provide a seed treatment method for improving the resistance of seeds to imbibition and chilling damage, so as to solve the problems of slow emergence, low emergence rate, and poor quality of seedlings caused by seeds encountering imbibition and chilling damage that are ubiquitous in agricultural production. , after exogenous application of n-butanol and N-acyl ethanolamine treatment by the present invention, the ability of seeds to resist imbibition and chilling damage can be improved, the emergence rate can be improved, and the emergence time can be shortened

Method used

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  • A method for improving the resistance of plant seeds to imbibition and chilling damage

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Embodiment 1

[0015] n-butanol treatment system: n-butanol is prepared with deionized water, and the final treatment concentrations are 0.01%, 0.05%, and 0.08%. Control-1, treated directly with deionized water.

[0016] N-acyl ethanolamine (NAE) treatment system: three treatment solutions: (1) Control-1, directly treated with deionized water; (2) Control-2: dimethyl sulfoxide with the same volume as 5 μmol, 10 μmol, and 25 μmol (DMSO), that is, the solubility of DMSO is 0.05%, 0.1%, 0.25%; (3) NAE12:0 is firstly dissolved in DMSO to make a 10 mmol mother solution, and then diluted to the final treatment concentration: 5 μmol, 10 μmol, 25 μmol.

[0017] Seeds sensitive to imbibition and chilling: Cucumber and pea were treated with NAE and n-butanol respectively during imbibition and chilling and germination, treated with imbibition and chilling at 4°C for 24 hours, then transferred to wet filter paper, and placed in a constant temperature light incubator at 25°C (Day / night photoperiod is 8 / ...

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Abstract

A treatment method for improving the resistance of plant seeds to imbibition and chilling damage. The n-butanol is prepared with deionized water and diluted to a concentration of 0.01%-0.08%. The plant seeds are treated with imbibition and chilling damage and exogenously added during germination. The invention belongs to the technical field of crop treatment, and particularly relates to a seed treatment method. In the process of imbibition and chilling injury of sensitive seeds at 4°C, exogenous application of n-butanol or N-acyl ethanol can significantly improve the tolerance of imbibition and chilling injury sensitive seeds It has high germination rate, early seedling growth and high seedling quality when the crop seeds are attacked by low temperature, so as to improve the yield of crops and has a good application prospect.

Description

technical field [0001] The invention belongs to the technical field of crop treatment, and in particular relates to a treatment method for improving the resistance of plant seeds to imbibition and chilling damage, and more specifically relates to the application of n-butanol and N-acylethanolamine in improving the resistance of seeds to imbibition and chilling damage. Background technique [0002] Seeds occupy a special and important position in agricultural production. To turn the potential of seeds with high-yield and high-quality genetic characteristics into real productivity, the most important link in cultivation is to maintain high seed vigor and obtain full and strong seedlings. However, many cultivated crops suffer imbibition and chilling damage during the initial stage of seed germination. Seed imbibition and chilling injury is the imbibition damage of seeds at low temperature (Zheng Guanghua et al., 2001). It is not only in alpine regions and low temperature and co...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01C1/00
Inventor 李唯奇禹晓梅
Owner KUNMING INST OF BOTANY - CHINESE ACAD OF SCI
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