On the other hand, supplement of copper to a medium containing proline, BA and NAA would significantly stimulate or suppress the proliferation of the calli depending on the amount of copper supplemented.

• 另一方面，在含有BA、NAA和脯氨酸的培养基中添加铜元素则会由于添加量的不同而产生显著的促进或抑制愈伤组织增殖的作用。