Effects of allelochemicals on seed germination

Abstract

Abstract: All kinds of allelochemicals can affect seed germination through affecting seed cell membrane permeability,cell division and differentiation,respiration,protein synthesis,gene expression,and hormone synthesis and equilibrium.The allelopathic effects on seed germination are related to the types and concentrations of alleochemicals,species of recipient plants,and environmental conditions.In this paper,the definitions of plant allelopathy and allelochemicals,and the releasing modes and types of allelochemicals were introduced,with the focus on the action mechanisms of allelochemicals on seed germination,their affecting factors,and ecological significances.

Key words: vegetation coverage, landscape pattern, topographic factors, types of frozen ground.

CLC Number:

Q148

YANG Qihe, YE Wanhui, LIAO Fulin, YIN Xiaojuan. Effects of allelochemicals on seed germination[J]. cje, 2005, (12): 1459-1465.

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