2004•东北农业大学学报：英文版Requires access
Study on Effects of Two Kinds of Auxin in vitro Regeneration of Cyclamen
CHEDai-di, XUEJia-zhen, ZHANGXing, QINZhi-wei
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Abstract
Cyclamen leaves and petioles explants were cultured on MS media supplemented with different concentrations of 2, 4-dichlorophenoxyacetic acid (2, 4-D) or 1-naphthaleneacetic acid (NAA) to induce callus. The effect of 2, 4-D on shoot regeneration was also studied. Either in media containing 2, 4-D or in media containing NAA, callus was observed, but the quality or quantity of callus induced by 2, 4-D or NAA were different. The callus induced by 2,4-D was white, compact and having powerful multiplication capacity. The callus was inclined to browning then was poorly organogenetic. While the callus induced by NAA was yellowish in appearance. It was pultaceous and proliferated bradytelicly. The callus usually can give rise to many shoots. But the frequency of inducing callus of 2, 4-D is higher than that of NAA. The regenerative plantlets derived from the callus respectively induced by 2, 4-D or NAA were transferred into rooting medium. The frequency of rooting were no difference.