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New variety breeding technology of early-maturing spicy capsicum with low temperature resistance

A technology of low temperature resistance and new varieties, which is applied in the field of early-maturing low temperature resistant new varieties of hemp pepper, which can solve the problem of insufficient attention to low temperature resistance, plant type and other traits of hemp pepper varieties, which cannot meet production needs and are not strong in variety competitiveness To achieve the effects of controlling breeding costs, excellent comprehensive traits, and speeding up breeding

Pending Publication Date: 2018-03-13
辽宁东亚农业发展有限公司
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Problems solved by technology

[0002] At present, the method of artificial emasculation and hybridization is mainly used in the utilization of large-fruited pepper heterosis at home and abroad. Not only is the cost high, but the purity is also difficult to guarantee. Not enough, the varieties are not competitive, the seed supply is unstable, and cannot meet the production needs

Method used

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Examples

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Embodiment

[0021] In this example, the GMS gene was introduced into the thin-skinned bell pepper test material by means of hybridization and backcrossing, so as to make basic preparations for breeding the female parent of the GMS dual-purpose line. Then use the test material (inbred line or hybrid) with the target character as the male parent, and use the above-mentioned basic material with the sterility gene as the female parent to cross-breed the new dual-purpose line, and use the method of backcrossing and combining the two-ring line , the population sterility rate is stable up to 50%, and the economic and biological characters are stable and meet the requirements of stable dual-purpose lines. The specific method is to cross the test cross male parent with the female parent plant of the basic dual-purpose line, and the hybrid offspring will be fully fertile, and a single plant will be selfed, and the self-crossed offspring will be separated at a ratio of 3:1, and fertile and sterile pl...

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Abstract

The invention provides new variety breeding technology of an early-maturing spicy capsicum with low temperature resistance, and relates to the breeding technical field of capsicum. Variety breeding and female parent sterile line breeding technology are combined, the problems of variety quality, disease resistance and stress resistance, plant type and other characteristics, as well as high-efficiency and high-quality seed production approaches are solved, and the selected new variety has the advantages of excellent comprehensive characters, accordance with market demands, seed production convenience, low cost, high purity guarantee, and good market competitiveness.

Description

technical field [0001] The invention relates to the technical field of capsicum breeding, in particular to a technology for breeding new varieties of early-maturing and low-temperature-resistant hemp peppers. Background technique [0002] At present, the method of artificial emasculation and hybridization is mainly used in the utilization of large-fruited pepper heterosis at home and abroad. Not only is the cost high, but the purity is also difficult to guarantee. Not enough, the competitiveness of varieties is not strong, the supply of seeds is unstable, and it cannot meet the production needs. This technology comprehensively applies nuclear male sterile dual-purpose line technology, plant type breeding and other technologies, solves the variety problem and the seed production problem together, and cultivates a new variety of hemp pepper with strong market competitiveness. Contents of the invention [0003] In view of the deficiencies existing in the above-mentioned prob...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01H1/02A01H1/04
CPCA01H1/02A01H1/04
Inventor 王友斌于学明杨文俊董政金雪琴王百首李传亮
Owner 辽宁东亚农业发展有限公司
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