长白落叶松组织培养的研究*

Abstract

Abstract:

Regenerated plantlets used for forestation were induced from axillary buds culture in vitro of plus trees 5-35 years old of Larix olgensis Henry.Z and SH media supplemented with BA1.0 (mg/L, the following units are the same) and NAA0.1 were better for induction of bud differentiation, induction rate of 55% in average and 68% at the most were obtained. Z medium added with IBA0.2, NAA0.2 and Phloroglucinol 40 was better for rooting.It was observed that the basal medium takes notable effect on rooting in this experiment.The differentiation rate of explant would be increased by 25.80% with pretreatment for donor plants. Better procedure of micropropagation for larch should be as follows:selecting plus trees→pretreatment of donor plants→inoculation→inducing differentiation of bud→subculture→rooting→transplanting.

Key words: Larix olgensis, Tissue culture, Differentiation, Rooting

Kexian Wu,Wei Li,Miaozhen Xu,Changshun Dang,Yue Liu. STUDY ON TISSUE CULTURE OF LARIX OLGENSIS[J]. Scientia Silvae Sinicae, 1996, 32(2): 125-133.

Figures/Tables 8

References 20

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STUDY ON TISSUE CULTURE OF LARIX OLGENSIS

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