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一、种茎的采收和贮藏1.采收。于每年秋季半夏倒苗后,在收获半夏块茎的同时,选横径粗0.5~1.5厘米、生长健壮、无病虫害的当年生中、小块茎留种用。大块茎不宜留种用,这是因为中、小种茎大多是由珠芽发育而来的新生组织,生命力强,出苗后长势旺,其本身迅速膨大发育成大块茎,同时不断抽出新叶形成
First, the stems of the harvest and storage 1. Harvest. In the fall of the summer Pinellia inverted seedlings, harvest pinellia tubers at the same time, choose the horizontal diameter of 0.5 to 1.5 cm, robust growth, no pests and diseases in the year, the small tubers stay species. Large tubers should not be used for species, this is because the medium and small stems are mostly derived from the germination of newborn tissue, strong vitality, growth vigorously after emergence, its rapid expansion into large tubers, while constantly extracting new leaves