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Method for enhancing drought resistance of cotton seedlings

A technology for drought resistance and seedlings, which is applied in the field of enhancing the drought resistance of cotton seedlings, can solve the problems of difficult popularization of production, immature technology, long cotton transgenic cycle, etc., and achieves the effects of low cost, normal photosynthesis, and improved survival rate.

Active Publication Date: 2019-09-13
INST OF COTTON RES CHINESE ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The cotton transgenic cycle is long, the technology is not yet fully mature, and it is difficult to popularize in production

Method used

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  • Method for enhancing drought resistance of cotton seedlings
  • Method for enhancing drought resistance of cotton seedlings

Examples

Experimental program
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Effect test

Embodiment 1

[0028] A kind of method for enhancing the drought resistance of cotton seedlings of the present embodiment, comprises the steps:

[0029] (1) The first choice is to select the test cotton seeds, and then sow them in room temperature seedling boxes, 6 seeds per box, pour the same amount of water into each box before sowing to make it absorb enough water and ensure that the soil moisture content is consistent, and then no longer watering;

[0030] (2) spray the ethanol solution of nobiletin when the cotton seedling grows to 6-7cm, the concentration of nobiletin in the ethanol solution of described nobiletin is 1.25 μ mol L -1 , spraying continuously for 3 days, spraying once in the morning and evening, and spraying 8ml of nobiletin ethanol solution for each cotton seedling.

Embodiment 2

[0032] A kind of method for enhancing the drought resistance of cotton seedlings of the present embodiment, comprises the steps:

[0033] (1) The first choice is to select the test cotton seeds, and then sow them in room temperature seedling boxes, 6 seeds per box, pour the same amount of water into each box before sowing to make it absorb enough water and ensure that the soil moisture content is consistent, and then no longer watering;

[0034] (2) spray the ethanol solution of nobiletin when the cotton seedling grows to 6-7cm, the concentration of nobiletin in the ethanol solution of described nobiletin is 2.5 μ mol L -1 , sprayed continuously for 3 days, sprayed once in the morning and evening, and sprayed 10ml of nobiletin ethanol solution for each cotton seedling.

Embodiment 3

[0036] A kind of method for enhancing the drought resistance of cotton seedlings of the present embodiment, comprises the steps:

[0037] (1) The first choice is to select the test cotton seeds, and then sow them in room temperature seedling boxes, 6 seeds per box, pour the same amount of water into each box before sowing to make it absorb enough water and ensure that the soil moisture content is consistent, and then no longer watering;

[0038] (2) when the cotton seedling grows to 6-7cm, carry out the ethanol solution of rooting nobiletin, the concentration of nobiletin in the ethanol solution of described nobiletin is 10 μ mol L -1 , continuous root irrigation for 3 days, once in the morning and evening, each cotton seedling with 12ml of ethanol solution of nobietin.

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Abstract

The invention relates to a method for enhancing drought resistance of cotton seedlings. The method comprises the following steps: firstly, selecting testing cotton seeds, and then sowing and wateringthe seeds; after cotton seedlings grow, and performing spraying or root-irrigation with an ethanol solution of nobiletin continuously for three days continuously, once in the morning and once at night. The cotton seedlings treated with the method have the advantage that the survival rate is significantly increased in case of severe drought stress; cells can maintain normal physiological and biochemical reactions by cotton seed soaking treatment and seedling treatment, and thus, drought resistance of the cotton seedlings is significantly enhanced. According to the method, a large number of tests indicate that the nobiletin has great significance in guaranteeing normal growth of the cotton seedlings under drought stress, keeping normal photosynthesis of the cotton seedlings, increasing yieldand quality of cotton, reducing consumption of water sources, and guaranteeing sustainable development of the cotton industry in Xinjiang. The method is simple to operate and low in cost, and can bepopularized and used in production.

Description

technical field [0001] The invention belongs to the technical field of cultivating new varieties of crops, and in particular relates to a method for enhancing the drought resistance of cotton seedlings. Background technique [0002] As an important economic crop in the world, cotton plays an important role in the economic development of our country and the world. my country's cotton production is currently concentrated in the Xinjiang cotton area. In 2018, the cotton output in Xinjiang accounted for 83.8% of the country's total. With the rapid development of cotton planting industry in Xinjiang, the area of ​​cotton planting has increased, the demand for water has increased, and the time of water demand has been concentrated, leading to the gradual seriousness of competition for water in cotton fields. Insufficient water resources have become the main problem affecting the sustainable development of Xinjiang's cotton industry. Therefore, taking certain measures to enhance th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G22/50A01G7/06A01C1/00A01N43/16A01N37/44A01N37/40A01P21/00
CPCA01C1/00A01G7/06A01N37/40A01N37/44A01N43/16A01G22/50
Inventor 庞朝友张小萌刘绍东赵新华葛常伟陈静张思平沈倩马慧娟刘瑞华
Owner INST OF COTTON RES CHINESE ACAD OF AGRI SCI
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