Breeding method of rhizoma polygonati

Abstract

The invention discloses a breeding method of rhizoma polygonati in the technical field of cultivation of traditional Chinese medicinal materials. Wild rhizoma polygonati is collected and dug, multiplecandidate varieties are mixed and cultivated under the same site condition, and then one or more resistant environments such as drought, waterlogging, weed damage and disease and pest damage are simulated or created for primary resistance screening; the roots and stems of the selected varieties are sterilized first, and then the parts with buds at the ends are selected as a provenance, after seedlings raising, a field comparison test is carried out, after traditional steaming and drying of tubers, in combination with the determination of effective ingredients total saponins and polysaccharidecontent, the rhizomes with the total saponins content of active ingredient indexes of 12 mg / g or above or the polysaccharide content of 14 mg / g or above are selected as mother species and cultivatedcontinuously for 2-4 years, and the total saponins content and polysaccharide content of the cultivated rhizomes are 90% or higher of the effective ingredient indexes; and then a one-year evaluation planting test is carried out to select the variety with the highest total saponin content and polysaccharide content after addition to obtain a breeding variety with the highest effective medicinal ingredients.

Description

technical field [0001] The invention relates to the technical field of cultivation of Chinese medicinal materials, in particular to a breeding method of Polygonatum. Background technique [0002] Polygonatum Polygonatum is a perennial herb of Liliaceae, whose rhizomes are used as medicine. It has the effects of invigorating qi and nourishing yin, moistening lung and strengthening spleen, nourishing kidney and essence, enhancing immune function, delaying aging, etc. It is effective in treating diabetes, hypertension, cardiovascular disease, tuberculosis, chronic hepatitis, etc. , anti-aging and other aspects have good effects, so it is widely used. Along with the depletion of wild sealwort resources, the artificial cultivation of sealwort has gradually emerged. The provenance of the existing sealwort artificial cultivation is mainly collected from the wild, but the wild sealwort resources are mixed and varied in stress resistance. Even in the same planting conditions Under ...

AI Technical Summary

Problems solved by technology

However, adapting to the environment is only one aspect of breeding, and drug efficacy is the first choice for breeding. Generally, Rhizoma Polygonatum mainly detects the content of total saponins and polysaccharides. The above-mentioned techniques cannot select Rhizoma Rhizoma Polygonatum with higher effective medicinal ingredients.