Carex breviculmis seed radiation mutagenesis breeding method

Abstract

The invention provides a carex breviculmis seed radiation mutagenesis breeding method and relates to the technical field of carex mutagenesis breeding. The method includes following steps: 1), adopting 60Co-gamma to radiate carex breviculmis seeds; 2), disinfecting the radiated seeds, and soaking the same; 3), performing germination culture on the soaked seeds to obtain seedlings; 4), transplanting the seedlings into a seedling culture matrix for culture to obtain carex breviculmis in a 4-6-leaf period; 5), transplanting carex breviculmis in the 4-6-leaf period into a field for culture, and screening to obtain floral-leaf carex breviculmis individual plants; 6), performing asexual propagation on the floral-leaf carex breviculmis individual plants to obtain a floral-leaf carex breviculmis strain; 7), performing asexual propagation on the floral-leaf carex breviculmis strain to obtain stable floral-leaf carex breviculmis; performing variety comparison on stable floral-leaf carex breviculmis in the field to obtain carex breviculmis with uniform floral-leaf character. The method is simple and convenient in operation, mature and stable in breeding and short in period.

Description

technical field

[0001] The invention relates to the technical field of mutation breeding of carex, in particular to a method for mutation breeding of green carex seeds by radiation. Background technique

[0002] Carex leucochlora (Carex leucochlora) is the largest genus of Cyperaceae. It is a perennial herbaceous plant with a wide distribution in my country. Taiwan and other places are distributed. Carex not only has the characteristics of early greening in spring, well-developed rhizomes, long green period, and beautiful shape, but also has the advantages of drought tolerance and low maintenance cost. It can be used as an excellent understory or building shade cover The plant can also be used as an ornamental grass with other plant configuration applications. In the northern region, with the development of low-maintenance and water-saving gardens, the market demand for Carex is increasing year by year. However, there is a shortage of Carex varieties in my country, which c...

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