NDLI: Provenance variation in camptothecin concentrations of Camptotheca acuminata grown in China

Content Provider	Springer Nature Link
Author	Liu, Zhijun Zhou, Guomo Xu, Shaoyuan Wu, Jiasheng Yin, Yeqin
Copyright Year	2002
Abstract	Camptotheca acuminata, a deciduous tree indigenous to southern China, contains camptothecin (CPT), an alkaloid of anti-cancer properties. Eighteen provenances were collected across its native range in 10 provinces south of the Yangtze River. A provenance test was performed for one growing season. Both growth characteristics and leaf CPT concentrations were determined. Seasonal height growth followed a typical “S”-shaped pattern, with a negligible height increment in the beginning of the season, a slow growth period from June 27 to August 11, a rapid growth period, and in the end a gradual decline in height increment with terminal bud set in mid-October. Final stem heights varied significantly among the 18 provenances. The difference was 43 cm or 38% between the tallest and the shortest. Significant differences were found among the 18 provenances in biomass production of whole-plant, shoot, leaf, root, and bark after one year of growth in nursery settings. Leaf CPT concentrations exhibited three-fold difference among the 18 provenances. Leaves are to be used as the target plant material for extracting CPT and the top five provenances were identified. These provenances warrant further field testing to determine the optimal growth conditions for accumulation of CPT.
Starting Page	215
Ending Page	224
Page Count	10
File Format	PDF
ISSN	01694286
Journal	New Forests
Volume Number	24
Issue Number	3
e-ISSN	15735095
Language	English
Publisher	Kluwer Academic Publishers
Publisher Date	2002-01-01
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Forestry
Content Type	Text
Resource Type	Article
Subject	Forestry

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