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研究了 L a对中国樱桃试管苗再生与生长的作用。结果表明 ,适宜浓度的 La( 1 0～ 40 mg/L )能够促进樱桃试管苗的生长与分化 ,有利于对培养基中微量元素的吸收。但高浓度 L a抑制樱桃幼苗的生长
The effects of L a on the regeneration and growth of in vitro plantlets of cherry in China were studied. The results showed that suitable concentrations of La (10 ~ 40 mg / L) could promote the growth and differentiation of cherry plantlets, which was beneficial to the absorption of trace elements in the medium. However, high concentration of L a inhibited the growth of cherry seedlings