这些化合物存在于黑暗中生长的幼苗的黄化组织内。
These compounds are present in etiolated tissue of seedlings grown in darkness.
化冻后的愈伤组织在黑暗中培养生长较好，存活率高。
Unfrozen calli were then cultured in darkness and grew well with a high survival rate.
化冻后的愈伤组织在黑暗中培养生长较好，存活率高。
Unfrozen calli were then cultured in darkness and grew well with a high survival rate.
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