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

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 fiberquality 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 method for breeding new cotton varieties, in particular to a method for breeding new cotton varieties with high-quality large bolls, high yield and brown fibers. Background technique [0002] The cotton fibers of colored cotton have natural colors, and there is no need for chemical treatments such as dyeing, bleaching, scouring, etc. in the textile process. This not only avoids the pollution of dyes to the environment and harm to people’s health, but also greatly reduces the textile printing and dyeing process. Production costs. Among the more than 7,000 cotton germplasm resources in China’s cotton intermediate bank, more than 170 colored cotton germplasms were collected (over 140 domestic germplasm and more than 30 foreign germplasm), of which 85 were upland cotton (green cotton). 27 copies, brown cotton 58 copies), upland cotton semi-wild species 6 lines 58 copies (brown), brown Asian cotton 27 copies, brown island cotton 6 cop...

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

Images