Interrelationships of glandular trichomes and cannabinoid content. I: Developing pistillate bracts of Cannabis sativa L. (Cannabaceae)
Publication 10
Bulletin on Narcotics, Vol. XXXIII, No. 2
J.C. Turner, J. K. Hemphill And P. G. Mahlberg
Department of Biology, Indiana University, Bloomington, IN 47405
Keywords: Cannabis sativa, Cannabaceae, cannabinoids, Developement, pistillate, bracts
Abstract
Gland number and cannabinoid content for three clones of Cannabis were compared. Cannabinoid levels and mature glands were quantified throughout progressive stages of pistillate bract development in order to define possible interrelationships between glands and cannabinoids. Similar trends occurred among the clones for each gland type while individual cannabinoids displayed a different pattern in each clone. Gland initiation and development as well as cannabinoid synthesis were found to occur during bract ontogeny for all three clones. A positive correlation existed for the total number of capitate glands per bract compared to the total cannabinoid content of the bract. The study also suggested that the glands may contain the majority of the cannabinoids present in the bract.
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