Method for obtaining cotton mutants by using heavy ion beam mutagenesis
A heavy ion beam and mutant technology, applied in the fields of botanical equipment and methods, applications, plant genetic improvement, etc., can solve problems such as undisclosed mutants, reduce mutual influence, improve survival rate, and simplify the radiation operation process. Effect
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[0025] The present invention uses the Ji 172 line cultivated by the Cotton Research Institute of the Hebei Academy of Agriculture and Forestry Sciences as the experimental material. The main characteristics of this variety belong to the transgenic insect-resistant conventional cotton late spring sowing variety, with a full growth period of 116 days, a plant height of 104.3 cm, and a single fruit branch number of 10.2 1, the node position of the first fruiting branch is 7.3 nodes, 10.9 bolls per plant, the boll weight is 6.0 grams, the clothing percentage is 40.8%, the average length of the upper half is 28.0 mm, the specific breaking strength is 29.1 cN / Tex, and the micronaire value is 4.6 .
[0026] 12 The C heavy ion beam is provided by the HI-13 tandem accelerator of the China Institute of Atomic Energy, and the cotton seeds are irradiated.
[0027] Radiation materials were planted at the Xiaoanshe Experimental Station of the Cotton Research Institute of the Academy of Agr...
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