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High-yield hybrid cotton seed production method

A hybrid seed production and high-yield technology, applied in the direction of botany equipment and methods, application, plant gene improvement, etc., can solve the problems of reduced seed production purity, poor greenhouse development, and small number of seeds, etc., to achieve improved seed plumpness, The effect of improving the purity of seed production and sufficient fertilization

Inactive Publication Date: 2015-09-09
ANHUI SHENGCHUANG AGRI TECH
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  • Summary
  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The current cotton seed production mainly uses the method of detasseling and pollination at the same time for flower selection. If the pollination is already produced, the purity of seed production will be reduced. If the selected flowers are too small, the growth of the flower room will not be good, especially the stigma, the pollination and fertilization effect will be poor, and it will be difficult to sit on the fruit.
Traditional cotton pollination methods have limited cotton seed production

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0017] 3. Seedbed management and planting. Parents were artificially planted in nutrient pots in early and mid-December, and were cultivated in separate seedbeds until late February. Observe the growth of the male parent and require the male parent to flower earlier than the female parent. If the male parent grows slowly, the bed temperature should be increased by reducing the number and time of ventilation, or placing the male parent in a plastic shed to strengthen management to promote development. If an electric hotbed is used, the temperature can be properly controlled to achieve the ideal seedling age. The planting period should generally be after the late frost period, when the temperature rises steadily, otherwise it is easy to suffer from frost damage. Calibration should be carried out on sunny days and when the soil is relatively dry, and the roots should be watered immediately after planting. The planting density is closely related to the variety, and the plantin...

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Abstract

A high-yield hybrid cotton seed production method relates to the technical field of hybrid seed production. The technical scheme of the method is as follows: firstly arranging maternal plants, removing all blooming flowers on the maternal plants, arranging branches at the same time and removing all branches and twigs thin and weak in interior and poor in growth below gate peppers; selecting the second to fourth layers of buds, which are about to bloom in the next day, and performing emasculation after 5 PM in the same day; collecting and drying ripe and uncracked anthers in a drier for standby of pollination in the morning of the day before pollination or during a time period ranging from 7 AM to 10 AM in the same day; generally, during an appropriate time period ranging from 7 AM to 10 AM, using a writing brush or rubber head to dip pollen and gently coating the pollen on the stigmas subjected to emasculation; picking fully ripe fruits after 50-70 days of pollination. The high-yield hybrid cotton seed production method improves the purity and yield of cotton seed production and the degree of fullness of seeds.

Description

technical field [0001] The invention relates to the technical field of hybrid seed production, in particular to a high-yield hybrid seed production method for cotton. Background technique [0002] The current cotton seed production mainly uses the method of detasseling and pollination at the same time for flower selection. If the pollen is produced, the purity of seed production will be reduced. If the selected flowers are too small, the growth of the flower room will not be good, especially the stigma, the pollination and fertilization effect will be poor, and it will be difficult to sit on the fruit. Traditional cotton pollination methods have limited cotton seed production. Contents of the invention [0003] The purpose of the present invention is to provide a high-yield hybrid seed production method of cotton, which selects the flowers that will open the next day, the flowers are moderately selected, and the flower stigmas grow and develop overnight, and the maturit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01H1/02
Inventor 岳朝风
Owner ANHUI SHENGCHUANG AGRI TECH
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