A method for obtaining cotton mutants by heavy ion beam mutagenesis

A technology of heavy ion beams and mutants, applied in botany equipment and methods, applications, plant genetic improvement, etc., can solve the problems of undisclosed mutants, reduce mutual influence, simplify radiation operation process, and improve survival rate Effect

Active Publication Date: 2022-07-12
COTTON RES INST HEBEI ACAD OF AGRI & FOREST SCI
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Problems solved by technology

However, a report involving the use of heavy ion radiation for cotton mutagenesis to obtain mutants has not been disclosed in the prior art.

Method used

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  • A method for obtaining cotton mutants by heavy ion beam mutagenesis
  • A method for obtaining cotton mutants by heavy ion beam mutagenesis
  • A method for obtaining cotton mutants by heavy ion beam mutagenesis

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Embodiment 1

[0025] The present invention uses the Ji 172 line cultivated by the Cotton Research Institute of the Hebei Academy of Agriculture and Forestry as the experimental material. The main characteristics of this variety are transgenic insect-resistant conventional cotton late spring sowing varieties, the whole growth period is 116 days, the plant height is 104.3 cm, and the number of fruit branches per plant is 10.2 The first fruiting branch is 7.3 knots, 10.9 bolls per plant, the boll weight is 6.0 g, the lint is 40.8%, the average length of the upper half is 28.0 mm, the breaking strength is 29.1 cN / tex, and the micronaire value is 4.6 .

[0026] 12 The C heavy ion beam was provided by the HI-13 tandem accelerator of the China Institute of Atomic Energy and irradiated cotton seeds.

[0027] The radiation material was planted at the Xiaoanshe Test Station of the Cotton Research Institute of the Hebei Academy of Agriculture and Forestry Sciences.

[0028] A method for obtaining co...

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Abstract

The invention discloses a method for obtaining cotton mutants by utilizing heavy ion beam mutagenesis. By utilizing heavy ion beams for mutagenesis, the mutagenized cotton seeds are mulched and sown, and the plants to be mutagenized grow to 2 leaves and 1 core. For transplanting, all plants of M1 generation were self-sealed and self-crossed. After maturity, a single plant was harvested and self-crossed bolls were used for sowing. M2 generation plants were analyzed and investigated for plant traits during the growth period, and different phenotypic variations were screened. Mutants, harvested individually, and continued to grow by line until mutants with stable phenotypic variation were obtained.

Description

technical field [0001] The present invention relates to cotton mutants, in particular to a method for obtaining cotton mutants by using heavy ion beam mutagenesis. Background technique [0002] Cotton is one of the important economic crops in my country. It is not only an important raw material for the textile industry, but also a raw material for national defense, medicine and other industries. It occupies an important position in the national economic system. China has been a major cotton producer and consumer in the world for many years, and improving cotton varieties is the most effective and fundamental way to improve the international competitiveness of cotton production. Cotton germplasm resources are the material basis for cultivating new high-yield and high-quality cotton varieties, and play an important role in cotton breeding research. The more high-quality cotton germplasms are available, the more widely used in research, the greater the effect of breeding new v...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01H1/06A01H1/04
CPCA01H1/06A01H1/04
Inventor 刘建光王永强赵贵元耿昭张寒霜田海燕祁虹杜海英周永萍赵树岗任景河豆海宽
Owner COTTON RES INST HEBEI ACAD OF AGRI & FOREST SCI
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