Seed seedling cultivation technology of authentic Chinese medicinal material Tinospora sagittata （Oliv.） Gagnep.

doi:10.14088/j.cnki.issn0439-8114.2024.06.020

Abstract

Abstract: The seeds of Tinospora sagittata （Oliv.）Gagnep., the original plant of Tinosporae Radix, were grown in the greenhouse, and the agronomic traits of the annual and biennial Tinospora sagittata （Oliv.） Gagnep. seedlings and the content of columbin in the dry block roots of the biennial Tinospora sagittata （Oliv.） Gagnep. seedlings were detected. MS nutrient solution was sprayed on the annual Tinospora sagittata （Oliv.） Gagnep. seedlings to detect their agronomic characters and analyze the correlation between the characters. The results showed that the plant height, taproot length and block root increased with planting time, while the leaf number of biennial seedlings did not increase significantly from June to July; leaf shape index and block root shape index had no significant change after 5 months of age and 17 months of age, respectively; the theoretical number of EP plates, the content of columbin and the water content of the dried block roots of the biennial Tinospora sagittata （Oliv.） Gagnep. seedlings were all > 5 000, >2% and <13.0%,respectively, which were in line with the provisions of pharmacopoeia. The seedling height, leaf number and block root formation of annual Tinospora sagittata （Oliv.） Gagnep. seedlings were increased under MS nutrient solution treatment, respectively. And plant height, leaf width and stem diameter were significantly positively correlated with underground block root fresh weight, block root fresh weight was significantly positively correlated with block root longitudinal diameter, block root transverse diameter and block root shape index, and block root transverse diameter, block root longitudinal diameter and tuber shape index were extremely significantly positively correlated with each other. The leaf shape index had no correlation with leaf length and width, but the block root shape index had positive correlation with longitudinal diameter and transverse diameter of block root.

Key words: authentic Chinese medicinal material, Tinosporae Radix, leaf fertilizer, seed, seedling cultivation technology

CLC Number:

S567.23⁺9

SI Hai-qian, FENG Hai-dong, LIU San-bo, HAN Ming-qing, MA Zhao-cheng, YOU Jing-mao, ZHANG Ze-zhi. Seed seedling cultivation technology of authentic Chinese medicinal material Tinospora sagittata （Oliv.） Gagnep.[J]. HUBEI AGRICULTURAL SCIENCES, 2024, 63(6): 125-130.

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