In-situ and Ex-situ Conservation of Cephalotaxus mannii Seedlings

Abstract

Abstract: In-situ and ex-situ conservation of the endangered plant Cephalotaxus mannii seedlings was studied in this present paper in order to increase its population number.And the results show:(1) increasing light intensity and fertilizer appropriately in the process of in-situ conservation affects significantly the growth of stem base diameter and the content of chlorophyll of the seedlings,and decreases the activity of SOD and eases their stress conditions.(2) Increasing light intensity in the process of ex-situ conservation can promote the growth of seedlings significantly and the content of chlorophyll of the seedlings leaves which cultured at the nutrition soil increased significantly.And in the process of ex-situ conservation,reducing the light intensity increases the activity of SOD and other environmental factors can reduce the activity of SOD.In-situ and ex-situ conservation can make C.mannii seedlings grow better.

Key words: Cephalotaxus mannii, in-situ conservation, ex-situ conservation

CLC Number:

S753
S791.48

QI Shanshan, DAI Zhicong, SI Chuncan, LIU Rui, WANG Zhide, YANG Donghua, SONG Jingyuan, DU Daolin. In-situ and Ex-situ Conservation of Cephalotaxus mannii Seedlings[J]. FOREST RESOURCES WANAGEMENT, 2010, 0(5): 34-40.

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