A hybrid breeding method for early-flowering, high-yielding tea and medicinal chrysanthemum varieties

Abstract

The invention belongs to the field of crossbreeding, and relates to a crossbreeding method for an early blossoming and high-yield chrysanthemum used for tea and medicine purposes. The crossbreeding method comprises the following steps: taking early blossoming chrysanthemum 'July White', used for the tea purpose, as a female parent, respectively taking high-yield 'Hangzhou White Chrysanthemum' and 'Chuzhou Chrysanthemum' having high effective components as male parents, configuring two hybridized combinations to conduct artificial crossbreeding, harvesting in the same year, sowing in the spring of the next year and separating seedlings for field planting, taking flower types, flower diameters, flower seasons and the like as a basis after flowering, performing preliminary screening of excellent single plant, further screening and comparing the flower diameters, the flower seasons, the single plant, and the yields of fresh flowers and dried flowers in per unit area after re-expanding propagation and forming strains in the third year, and then screening excellent strains. Identify the sensory quality, determine the chemical constituents and then adopt an obscure and comprehensive evaluation method to conduct analysis and evaluation so as to screen new early blossoming and high-yield chrysanthemum strains used for the tea and medicine purposes. The crossbreeding method provided by the invention can improve the current situation that the chrysanthemum used for the tea purpose has a later flower season, increase the yield of the chrysanthemum used for the tea purpose and meet the market requirement, thereby having important significance in the market development of the chrysanthemum used for the tea purpose.

Description

technical field [0001] The invention belongs to the field of hybrid breeding, and relates to a method for hybrid breeding of early-flowering, high-yielding tea and medicinal chrysanthemum varieties. Background technique [0002] Chrysanthemum originates from China, has a cultivation history of more than 2,500 years, and its varieties reach more than 3,000. It is the most widely planted traditional famous flower in my country. However, the earliest cultivation of chrysanthemum was based on tea and medicinal chrysanthemums. At present, the national cultivation area has reached hundreds of thousands of mu, and it has become an important ornamental, tea and medicinal flower. The chrysanthemum used for tea is slightly cold and sweet, contains more volatile oil, flavonoids and phenolic acid compounds, and is rich in iron, zinc, calcium and other trace elements, amino acids, etc. The effect of lowering fat and blood pressure and prolonging life can be used to treat headache, dizzi...

AI Technical Summary

Problems solved by technology

[0004] Purpose of the invention: The purpose of the present invention is to provide a hybrid breeding of early-flowering, high-yield tea and medicinal chrysanthemum varieties in view of the problems of relatively single chrysanthemum species for tea in my country, late flowering period, low yield, or low medicinal components. method, which will be of great significance to promote the market development of tea and medicinal chrysanthemum

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