Effect of trifluoperazine and verapamil on herbicide stimulated growth of cotton
Titel:
Effect of trifluoperazine and verapamil on herbicide stimulated growth of cotton
Auteur:
Allender, William J.
Verschenen in:
Journal of plant nutrition
Paginering:
Jaargang 20 (1997) nr. 1 pagina's 69-80
Jaar:
1997-01
Inhoud:
Pretreatment of hydroponically-grown cotton with trifluoperazine (TFP) and verapamil (VPL), respectively, inhibited 2,4-dichlorophenoxyacetic acid (2,4-D) and metribuzin [4-amino-6-tert-butyl-3-methylthiol,2,4-triazin-5(4H)-one (MTZ)]-induced hormetic growth as measured by total leaf areas and dry weights. Trifluoperazine, an anti-calmodulin drug, proved to be a more effective inhibitor of hormetic growth than VPL, a calcium (Ca2+)-channel antagonist. It is suggested that Ca2+ influx is involved in the growth increase observed in hormesis.
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