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Breeding method for high-quality brown fibre new species of cotton

A technology of brown fibers and new varieties, applied in botany equipment and methods, plant products, angiosperms/flowering plants, etc., can solve problems such as low clothing content and poor fiber quality

Inactive Publication Date: 2009-05-13
INST OF COTTON RES CHINESE ACAD OF AGRI SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The object of the present invention is to provide a kind of brown colored cotton breeding method for above-mentioned deficiency, this method can bred a series of high-quality, big boll, high-yielding brown colored cotton new germplasm, to overcome the poor quality of brown colored cotton fiber at present, the clothes are divided low problem

Method used

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  • Breeding method for high-quality brown fibre new species of cotton

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Embodiment 1

[0013] Example 1 Breeding of insect-resistant brown color fiber cotton

[0014] Such as figure 1 Shown, the present invention utilizes semi-wild species Mollier's cotton (G.hirsutum race morrillii), pointed spotted cotton (G.hirsutum race punctatum), Richmond's cotton (G.hirsutum race richmondi) in Hainan Island Distant hybridization was carried out with the American upland cotton genetic standard line TM-1 or the popularized variety Zhongmiansuo 12 in my country, and then the F1 generation was planted in Anyang. F1 and F2 generations were planted in Anyang, followed by individual plant selection in different areas in the south (Hainan Island) and north (Anyang) for five consecutive years. In 1996, Zongxu No. 1 (brown fiber) was bred. In 1999, Zongxu 1 was selected. The number line selects the new brown colored cotton line Brown 1-52. In 1999, Brown 1-52 was crossed with S9108. F1 was planted in Hainan Island in October today, and F2 was planted in Anyang in the second year, a...

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Abstract

The invention provides a high quality, large boll, high yield brown color cotton (brown fiber) breeding method. The semi-wild cotton is used as basis material and the brown color cotton strain brown 1-52 (brown flocculation No1 improvement series) with better comprehensive character is bred. The brown 1-52 is used as male parent to hybridize with the white cotton strain s9108 with excellent fiber quality and large boll. After individual system selection for several years, a series of high quality brown color cotton new strains are bred, comprising S9B12, S9B11 or like. The bred brown color cotton not only increases fiber quality of brown color cotton, but also the fiber yield, single boll weight, ginned cotton yield are also greatly increased, thereby solving the problem that the prior color cotton fiber has bad quality and low ginned cotton yield.

Description

technical field [0001] The invention relates to a breeding method for a new cotton variety, in particular to a breeding method for a new cotton variety with high quality, big boll, high yield and brown fiber. Background technique [0002] The cotton fibers of colored cotton have natural colors, and there is no need for chemical treatments such as dyeing, bleaching, and scouring during the textile process. production cost. Among the more than 7,000 cotton germplasm resources in the China Cotton Medium-term Bank, there are more than 170 colored cotton germplasms collected (more than 140 domestic germplasms and more than 30 foreign germplasms), of which 85 are upland cotton (green cotton 27 parts, 58 parts of brown cotton), 58 parts of 6 strains of upland cotton semi-wild species (brown), 27 parts of brown Asian cotton, 6 parts of brown sea-island cotton, and 2 parts of brown African cotton. However, these colored cotton germplasms have low yield, poor quality, and unstable f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01H1/02A01H5/00
Inventor 杜雄明孙君灵周忠丽潘兆娥贾银华刘国强庞保印
Owner INST OF COTTON RES CHINESE ACAD OF AGRI SCI
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