PJB-1998-63
ALLELOPATHIC POTENTIAL OF DRY FRUITS OF WASHINGTONIA FILIFERA (L. LINDEN) H. WENDL III. INHIBITORS OF GERMINATION AND GROWTH
M. ISHAQ KHAN
Abstract
Gennination and growth inhibiting activity of water soluble extract of Washingtonia filifera fruits was investigated. Paper chromatographic separation of the extract revealed the presence of two inhibiting zones of germination and growth. The fast moving beta - inhibitor was further separated by TLC into four components, one of which appears to be abscissic acid ( ABA) and the rest phenolic substances. Gibberellic acid (GA3) was found to neutralize the gennination and growth inhibiting ability of the inhibitor beta-complex. Besides these, a slow moving inhibitory zone of gennination and growth was due to the presence of phenolic substance.
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