Seed selection method for cold resistant and bolting resistant brassica oleracea var
A technology of head cabbage and bolting resistance, which is applied in the fields of botanical equipment and methods, application, plant gene improvement, etc., and can solve problems such as weak plant growth, difficult parental reproduction, and degradation of vitality
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[0029] 1. In 2010, there was one self-incompatibility parent material Gan 316 of cold-resistant and bolting-resistant head cabbage. The self-compatibility index at the bud stage was 9.8, and the self-compatibility index at the flowering stage was 0.31. September 15, 2010 Seeds were planted and planted in Daejeon on October 20. For field management, see Management throughout the growth period (1)-(9). From sowing to flowering period in April 2011, observe and screen in the field, pull out weak seedlings and heterogeneous plants, and select strong growth potential, neat growth, round leaf balls, normal flower bud development, well-developed nectaries, well-developed stigma, well-developed stamens, etc. The 5 typical plants with the most parental material Gan 316 were kept as the typical plants (male parents) of the purified and rejuvenated parents. Purify the typical plant of the rejuvenated parent (male parent) and the excellent cold-resistant and bolting-resistant cabbage Aic...
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