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Composition and method for enhancing drought resistance of cotton seedlings

A composition and a drought-resistance technology are applied in the field of compositions that can enhance the drought-resistance of cotton seedlings, and can solve the problems of difficulty in popularization of production, long cotton transgenic cycle, and immature technology, achieving low cost, enhanced drought-resistance, and a solution to the problem. Effects of water scarcity

Active Publication Date: 2020-05-29
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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  • Composition and method for enhancing drought resistance of cotton seedlings
  • Composition and method for enhancing drought resistance of cotton seedlings

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] The molar ratio of nomilin and hesperetin in a composition capable of enhancing the drought resistance of cotton seedlings in this example is 0.5 μmol: 1 μmol.

[0032] Utilize the method that the composition prepared by the present embodiment strengthens the drought resistance of cotton seedlings, 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 the composition when the cotton seedling grows to 4-6cm, the concentration of nomilin in the ethanol solution of the composition is 0.5 μ mol L -1 , the concentration of tangeretin was 1 μmol L -1 , continuous spraying for 3 days, spraying once in the morning and evening, and spraying 6ml of the compositi...

Embodiment 2

[0036] The molar ratio of nomilin and hesperetin in a composition capable of enhancing the drought resistance of cotton seedlings in this example is 1 μmol: 2 μmol.

[0037] Utilize the method that the composition prepared by the present embodiment strengthens the drought resistance of cotton seedlings, comprises the steps:

[0038] (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;

[0039] (2) spray the ethanol solution of the composition when the cotton seedling grows to 4-6cm, the concentration of nomilin in the ethanol solution of the composition is 1 μmol L -1 , the concentration of tangeretin was 2 μmol L -1 , continuous spraying for 3 days, spraying once in the morning and evening, each cotton seedling spraying 10ml of ...

Embodiment 3

[0041] The molar ratio of nomilin and hesperetin in a composition capable of enhancing the drought resistance of cotton seedlings in this example is 1.5 μmol: 3 μmol.

[0042] Utilize the method that the composition prepared by the present embodiment strengthens the drought resistance of cotton seedlings, comprises the steps:

[0043] (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;

[0044] (2) when cotton seedling grows to 4-6cm, carry out the ethanol solution of the described composition of irrigation root, the concentration of nomilin in the ethanol solution of described composition is 1.5 μ mol L -1 , the concentration of tangeretin was 3 μmol L -1 , continuous root irrigation for 3 days, once in the morning and evening,...

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Abstract

The invention relates to a composition capable of enhancing drought resistance of cotton seedlings and a drought resistance method. The composition comprises nomilin and hesperetin in the molar ratioof (0.5-1.5 mu mol):(1-3 mu mol). The composition provided by the invention has an anti-oxidation effect, can scavenge free radicals, superoxide anion radicals and peroxides, resists lipid peroxidation and linoleic acid oxidation, and has a certain protective effect on DNA damage; the cotton seedlings treated with the method provided by the invention have an improved survival rate under drought stress, and the drought resistance of the cotton seedlings is enhanced; the method provided by the invention has the advantages of low cost, simple operation and strong promotion, can be used in actualcotton production, and can effectively solve the problem of insufficient water resources on the premise of ensuring cotton yield.

Description

technical field [0001] The invention belongs to the technical field of cultivating new varieties of crops, and in particular relates to a composition capable of enhancing the drought resistance of cotton seedlings and a drought resistance method. Background technique [0002] Cotton is the most important strategic material in my country besides food. my country's cotton production areas have been further concentrated from the original three major cotton areas in the northwest inland cotton area, the Yellow River Basin cotton area, and the Yangtze River Basin cotton area to the northwest inland Xinjiang cotton area. As one of the provinces with the most serious "cotton and grain competition for land", Xinjiang is seriously short of water resources. Studies have shown that drought stress will destroy the balance of active oxygen metabolism in plants, resulting in lipid peroxidation of cell membranes; drought stress will also lead to wilting of leaves, closure of stomata, dest...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N43/90A01N43/16A01N37/40A01N37/44A01P21/00A01G22/50A01G7/06A01G13/00A01C1/00
CPCA01C1/00A01G7/06A01G13/00A01G22/50A01N37/40A01N37/44A01N43/16A01N43/90
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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