Cultivating method for super early mature short season cotton

A breeding method and precocious technology, applied in the direction of botany equipment and methods, applications, plant genetic improvement, etc., can solve the problem of giving more specific and clear instructions without internode length

Inactive Publication Date: 2005-03-02
NAT RES CENT OF SEMI ARID AGRI ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, there is no more specific and clear teaching on internode length

Method used

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  • Cultivating method for super early mature short season cotton
  • Cultivating method for super early mature short season cotton
  • Cultivating method for super early mature short season cotton

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0026] For example, in the cotton area of ​​the Yellow River Basin in the south-central part of Hebei Province, from May 30th to June 10th after the wheat matures, cotton varieties with genetically limited fruiting branches or zero fruiting branches are directly sown at a planting density of 8,000 plants / mu. Seedlings emerge after 4-6 days. Emergence-sprouting grows for 25 days, and when the 4th-5th fruit node is budding, spray mepiquat in an amount of 1-1.5 g / mu. Budding-blooming and growing for 22 days, the initial flowering stage is sprayed with 1.5-2 g / mu of mepipeptide. Flowering-blooming and growing for 50 days, at the flowering stage of the 4th-5th fruit node, spray mepeptide at an amount of 2-3 grams / mu. It takes 30 days for bolling-pulling firewood. After the cotton is harvested, the field is watered and prepared to plant wheat. The whole process adopts early management measures, that is, early sowing, early watering, early stubble removal, early soil loosening, ear...

Embodiment approach 2

[0028] Based on 8000 plants / mu, 8 bolls / plant, 4.0 g / boll and 40% clothing content, the lint yield is 204.8 catties / mu.

[0029] For example, in the cotton area of ​​the Yellow River Basin in the south-central part of Hebei Province, from May 30th to June 10th after the wheat matures, directly sow cotton with a genetically limited fruit branch or a zero fruit branch with the first node position of 2-4. variety, water after planting. The rest of the management measures are the same as above.

[0030] Based on 8000 plants / mu, 9 bolls / plant, 4.0 g / boll and 40% lint content, the lint yield is 230.4 catties / mu.

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Abstract

The cultivation method of super early mature cotton includes selecting the cotton variety with genetically limited fruit bearing shoot or zero-type shoot in the 2-4 fruit bearing shoot positions; thrice spraying marketable mepiquat chloride of the amount of 1-1.5 g, 1.5-2 g and 2-3 g each mou in the full bud stage, the initial bloom stage and the full bloom stage separately. Compared with available similar variety, the present invention has growth period as short as 101 days, planting density up to 6000-12000 plants/mou and about 50 % raised cotton yield.

Description

technical field [0001] The invention relates to a method for cultivating short-season early-maturing cotton, in particular to a method for cultivating super-early-maturing short-season cotton. Background technique [0002] "'More people and less land' is the basic national condition of China. With social and economic progress, 'increasing people and reducing land' will seriously affect the development of agricultural production. Increasing the multiple cropping index and reforming the multiple cropping system are the directions for the future development of China's agriculture. China Cotton planting develops from one cropping to grain (oil) cotton double cropping and even multiple cropping; from low efficiency to comprehensive high efficiency and even ecological and social benefits in a comprehensive and coordinated development. Short-season cotton is the product of this development trend. In the future, as With the advancement of science and technology, short-season cotton ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01H1/04
Inventor 翟学军
Owner NAT RES CENT OF SEMI ARID AGRI ENG
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