绞股兰扦插繁殖研究（简报）李必运，冉玉娥（陕西省农业科学院杨陵７１２１００）绞股兰雌雄株的比例为１：２１，种子少，繁殖困难；用根茎分株繁殖数量亦有限；茎蔓扦插繁殖数量大，适于大面积栽植。本文用砂、草木灰、珍珠岩分别与土等体积混匀为基质，以一般田土作则... Propagation of Cutwort orchid Propagation Li Biyun, Ran Yu’e (Shaanxi Academy of Agricultural Sciences, Yangling 712100, China) The ratio of male and female plants in Gynostemma pentaphyllum is 1:21, with few seeds and difficult propagation. Breeding large number, suitable for large-scale planting. In this paper, sand, ash, perlite, respectively, with the volume of soil mixed with the matrix as a general field for the rule ...