Effect on yields and quality with different size tubers of Pinellia ternata from Sichuan / 中草药

ABSTRACT

Objective: The effect on yield and quality with different size tubers of Pinellia ternata from Sichuan was studied under the cultivated condition, in order to provide the theoretical basis for standardized cultivation. Methods: Three different populations of P. ternata from Sichuan were classified according to the diameters as follows smaller (0.5 cm1.5 cm), and this experiment was performed in a randomized block design. During growth and development period, agronomic traits, such as number of sprouting, inflorescence, and bulblets were censused. After harvesting, main chemcial compositions, growth and proliferation rates were determined. Results: The different sizes tubers of P. ternata showed the same growth rhythm. But there were signifiacnt differences in the average emergence rate, the average ratio of bolting, the average bulbils, individual growth rate, individual proliferation rate among different sizes. Also, alkaloid and inosine contents were signifiacntly different. But β-sitosterol content had no signifiacnt difference. Conclusion: The size of tubers the in 0.5 cm1.5 cm) while good strains breeding and propagation.