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Application of upland cotton flower based red spot marked character

A technology of upland cotton and erythema, applied in the application field of agricultural biotechnology, can solve problems such as restricting the healthy development of the cotton seed industry, harming the interests of farmers, reducing production levels, etc., and achieves the effects of safeguarding legitimate rights and interests, promoting healthy development, and controlling production quality.

Inactive Publication Date: 2011-05-18
ANHUI HUARUN BIOTECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the unlimited growth habit of cotton, it is difficult to distinguish different varieties intuitively. The incidents of producing and selling fake and inferior cotton seeds and infringement of intellectual property rights emerge in endlessly. The healthy development of the cotton seed industry has also caused major economic losses to enterprises, farmers and the country

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] Embodiment 1 and Embodiment 2 are sources of basic breeding materials and breeding examples.

[0013] Example 1

[0014] Mutant: In July 2002, a mutant individual with milky white flowers and red base spots at the bottom of the petals was accidentally found in the cotton breeding material nursery No. 02107, and immediately bagged and selfed 10 bolls. The harvested seeds were sent to Hainan for additional planting. The plant type of selfing bolls is consistent and does not segregate. The line is homozygous, that is, the line is determined as BJ-7;

Embodiment 2

[0016] Distant hybridization: in August 2003, the allotetraploid progeny H401 of the safflower basal spot of the distant cross of upland cotton × wild cotton (Bicketian cotton) was transferred to cry1Ab / cry1Ac and CpTI genes with the normal white flower basal spot The insect-resistant material SGK321 was crossed, and it was backcrossed once in Hainan at the end of the year, and in (H401×SGK321)F 1 In the ×SGK321 population, a single plant with milky white flower color and red basal spots at the bottom of the petals was isolated (this is the same as the Institute of Genetics, Chinese Academy of Sciences, Shijiazhuang Academy of Agricultural Sciences He Jianxing, Li Zengshu, etc. published in "Journal of Genetics" 2000, No. 4, No. 27 In the research paper "Genetic Analysis of Flower Color Genes of Cotton cotton Introgressed into Upland Cotton" in Juan, about "Isolating the pure line of small base spot with milky white flowers from the hybrid derivative lines of Upland cotton × Bi...

Embodiment 3

[0019] In 2003, BJ-7 was used as the female parent, and Daling and multi-resistant material 896 were used as the male parent. After generations of self-crossing, Hainan multigeneration, and directional selection, a flower-based red-spot marker was bred in 2006. Big boll, multi-resistant hybrid cotton parent (pure variety) BJ-7896.

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Abstract

The invention relates to an application of the upland cotton flower based red spot marked character. In the application, a hybrid cotton parent or a pure line variety with the flower based red spot market character as a male parent or a female parent is used to hybridize other hybrid cotton parents or pure line varieties with or without the flower based red spot marked character to produce a hybrid variety; and after the produced hybrid variety is sawn, the identity and purity of the hybrid variety can be intuitively identified and inspected according to the proportion of the flower based redspot, wherein the hybrid cotton parent with the flower based red spot marked character comprises a two-line male sterile line, a three-line male sterile line, a maintenance line and a restoring line.By the application, the production quality of cotton seeds can be effectively controlled, the fake or poor purity seeds are prevented from impacting the market, and the technical support and protection are provided for production and sale of qualified seeds so as to maintain the lawful benefit of enterprises and peasants and promote healthy development of cotton planting industry. The applicationhas high application value.

Description

technical field [0001] The invention relates to an application method of erythema marker traits of upland cotton, and belongs to the application field of agricultural biotechnology. Background technique [0002] Cotton occupies an important position in my country's economic crops. The annual cotton planting area is more than 5 million hectares, the cotton planting area ranks second in the world, and the total production ranks first in the world; cotton is also the main raw material of my country's textile industry, and textile exports are my country's As a traditional advantageous industry, the cotton-related industry chain is long and the employment group is large. Therefore, the security of cotton supply has important practical significance for the sustainable development of agriculture and social harmony and stability. With the development of cotton breeding technology, high-yield, high-quality, disease-resistant, and genetically modified new varieties continue to emerge. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01H1/02
Inventor 沙金来包富生程昆刘亮荣史昆石磊乔兰兰黎方仁刘玉恒
Owner ANHUI HUARUN BIOTECH
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