The effects of heavy metal salts on the phytohormonal status and sex expression in marijuana

The effects of heavy metal salts on the phytohormonal status and sex expression in marijuana We studied the effects of heavy metal salts (Pb(NO3)2, CuSO4, and ZnSO4) on phytohormonal status and sex expression in various cultivars of marijuana (Cannabis sativa L.), a dioecious plant, grown on Knop nutrient medium. Pb(NO3)2 and ZnSO4 were added to the medium at the concentration of 10−9 M, and CuSO4, at the concentration of 10−10 M. Plant were grown under controlled conditions at luminescent illumination, 22–24°C, and 80% humidity. The contents of GA and zeatin were determined by HPLC. Copper and zinc salts induced plant feminization, and this effect was coupled with zeatin accumulation. Lead salts favored plant masculinization coupled with GA accumulation. Thus, a shift in sex expression in marijuana plants was correlated with the heavy metal action on the balance of phytohormones, GA and zeatin. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Plant Physiology Springer Journals

The effects of heavy metal salts on the phytohormonal status and sex expression in marijuana

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/lp/springer_journal/the-effects-of-heavy-metal-salts-on-the-phytohormonal-status-and-sex-U3EwMIJlt4
Publisher
SP MAIK Nauka/Interperiodica
Copyright
Copyright © 2010 by Pleiades Publishing, Ltd.
Subject
Life Sciences; Plant Sciences ; Plant Physiology
ISSN
1021-4437
eISSN
1608-3407
D.O.I.
10.1134/S1021443710010139
Publisher site
See Article on Publisher Site

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