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Osmoregulation initiation method of cotton seeds under low-temperature stress

A cotton seed, low temperature stress technology, applied in the directions of plant growth regulators, seed and rhizome treatment, plant growth regulators, etc. , the effect of improving the emergence rate and shortening the dormancy period

Inactive Publication Date: 2013-05-22
高润宝
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Low-temperature disasters, including freezing injury, frost injury, and freezing injury, are one of the important meteorological disasters that affect the production and quality of agricultural products in my country; in recent years, while the global climate has gradually warmed, the frequency of extreme climate changes has increased, and the unevenness of cold and heat is The objective reason for the increase in the frequency of low-temperature disasters; in order to make full use of the light and heat conditions in spring to increase cotton production, many places in my country have generally adopted mulch cotton planting, so that the sowing date of cotton is gradually brought forward. Production brings serious harm, resulting in difficulties in cotton seedling emergence, rotten seeds, rotten roots, lack of seedlings and broken ridges, and serious even destroyed seeds and replanting

Method used

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  • Osmoregulation initiation method of cotton seeds under low-temperature stress
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  • Osmoregulation initiation method of cotton seeds under low-temperature stress

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] The osmotic adjustment priming method of cotton seeds under low temperature stress comprises the following steps:

[0021] The first step: prepare seed initiator: SA (salicylic acid) 20ppm, GA 4 (Gibberellin) 20ppm dissolved in a small amount of ethanol with a negligible weight, 100ppm of carbendazim dissolved in a small amount of ether with a negligible weight, 18.6% mixed with Fuyi seed coating agent 800ppm, CaCL 2 Dissolve 800ppm in distilled water; mix and stir the above three, add distilled water to constant volume to obtain seed initiator;

[0022] Step 2: Fill a clean container with warm water at 40°C, the amount of water is 5 times the volume of the seeds, immerse the seeds in warm water and stir continuously, stop stirring when the water temperature drops to 20°C, and filter out the water;

[0023] The third step: Dilute the seed initiator in the first step by 500 times, pour the seed initiator into a container, soak for 22 hours, the amount of the seed initia...

Embodiment 2

[0026] The osmotic adjustment priming method of cotton seeds under low temperature stress comprises the following steps:

[0027] The first step: prepare seed initiator: SA (salicylic acid) 25ppm, GA 4 (Gibberellin) 26ppm dissolved in a small amount of ethanol with a negligible weight, carbendazim 110ppm dissolved in a small amount of ether with a negligible weight, 18.6% mixed with Fuyi seed coating agent 1000ppm, CaCL 2 Dissolve 1000ppm in distilled water; mix and stir the above three, add distilled water to constant volume to obtain seed initiator;

[0028] Step 2: Fill a clean container with warm water at 42°C, the amount of water is 5 times the volume of the seeds, immerse the seeds in warm water and stir continuously, stop stirring when the water temperature drops to 20°C, and filter out the water;

[0029] The third step: Dilute the seed initiator in the first step by 500 times, pour the seed initiator into a container, soak for 24 hours, the amount of the seed initiat...

Embodiment 3

[0032] The osmotic adjustment priming method of cotton seeds under low temperature stress comprises the following steps:

[0033] The first step: prepare seed initiator: SA (salicylic acid) 30ppm, GA 4 (Gibberellin) 32ppm dissolved in a small amount of ethanol with negligible weight, carbendazim 120ppm dissolved in a small amount of ether with negligible weight, 18.6% mixed with Fuyi seed coating agent 1200ppm, CaCL 2 1200ppm was dissolved in distilled water; the above three were mixed, stirred, and distilled water was added to obtain the seed initiator;

[0034] Step 2: Fill a clean container with warm water at 45°C, the amount of water is 5 times the volume of the seeds, immerse the seeds in warm water and stir continuously, stop stirring when the water temperature drops to 20°C, and filter out the water;

[0035] The third step: dilute the seed initiator in the first step by 500 times, pour the seed initiator into the container, soak for 22~26h, the amount of the seed init...

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Abstract

The invention provides an osmoregulation initiation method of cotton seeds under low-temperature stress. The osmoregulation initiation method comprises the following steps of: preparing an initiating agent of the cotton seeds under low-temperature stress; in a cleaning ware, arranging warm water with the temperature of 40-45 DEG C and the water amount being 5 times of the volume of the seeds, immersing the seeds into the warm water, continuously stirring, stopping stirring when the water temperature falls to 20 DEG C, and filtering water; diluting the initiating agent of the seeds by 500 times, pouring the initiating agent of the seeds into the ware, soaking for 22-26 hours, wherein the use amount of the initiating agent of the seeds is twice of the volume of the seeds and the temperature is set to be 40 DEG C; and filtering the seeds, bleaching for once or twice with clean water, absorbing the moisture, putting the seeds into a special oven for back drying, setting the temperature to be 40 DEG C, controlling the water content in back drying to be 7.5%+ / -0.2%, and sowing or storing the seeds immediately.

Description

technical field [0001] The invention relates to a seed treatment method, in particular to an osmotic adjustment initiation method of cotton seeds under low temperature stress. Background technique [0002] Low-temperature disasters, including freezing injury, frost injury, and freezing injury, are one of the important meteorological disasters that affect the production and quality of agricultural products in my country; in recent years, while the global climate has gradually warmed, the frequency of extreme climate changes has increased, and the unevenness of cold and heat is The objective reason for the increase in the frequency of low-temperature disasters; in order to make full use of the light and heat conditions in spring to increase cotton production, many places in my country have generally adopted mulch cotton planting, so that the sowing date of cotton is gradually brought forward. Production brings serious harm, resulting in difficulties in cotton seedling emergence,...

Claims

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Application Information

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IPC IPC(8): A01C1/00A01N59/08A01N57/28A01N47/18A01P21/00A01P3/00
Inventor 高润宝
Owner 高润宝
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