一定时期的暗培养是翠冠叶片再生的必要条件。
Dark treatment was necessary for regeneration of Cuiguan leaves in the experiment.
暗培养有利于愈伤组织生长，对控制褐化也有一定作用。
Culturing in dark would benefit the growth of callus and control of brown stain.
暗培养有利于愈伤组织生长，对控制褐化也有一定作用。
Culturing in dark would benefit the growth of callus and control of brown stain.
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