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The effects of the cytokinin benzyladenine (BA) and the auxin naphthalene acetic acid (NAA) on Camptotheca acuminata Decaisne growth and camptothecin (CPT) accumulation (leaf CPT concentration and total leaf CPT yield) were studied in a hydroponic culture system for three weeks. Increasing BA concentrations from 0 to 3 mg l1 in growth medium decreased plant height, stem weight, and leaf weight but...
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...
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