plantlet

<br/> This paper deals with studies on in vitro culture of bulbil o f Dioscorea opposita,including callus induction and differentiation,plantlet root development and transplantation.

对怀山药(Dioscorea opposita)零余子愈伤组织诱导、分化、再生苗生根和移栽进行了研究。

Apoptosis and the tolerance of plantlets of Acacia implexa treated in vitro with cold stress were studied by microphotographics and total DNA agarose gel electrophoresis.

利用显微观察和DNA凝胶电泳等技术，研究在低温胁迫诱导下灰木相思组培苗细胞凋亡和对低温环境耐受性。

The factors which influenced somatic embryogenesis and plantlet regeneration in Picea meyeri Rehd. et Wils. were studied in order to establish a high frequency embryogenetic system.

立白杄体细胞胚胎发生及其植株再生高频率实验系统，对聚乙二醇及干化处理影响进行了系统研究。