الفهرس 
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Abstract
Literature hen a vinble seed is wettod, water de taxen up, reaptese tion and other netabelic activites begin and after a certein Perici of tine the embryo energes from the ceeds ges sally the radiele fizet. Honever, varkous requirenonta must obviously be satistted before these events can occur most cases there must be suffi ofent omen suitable teaperature to permtt the varioss processor to proceed at an overall adequite vate end ttzally A suetictont water, Thorofore externa condition thet inter with these requtrenents my affect the gravth and metabolic aotivities of the plant, particularly tn ite early ctasee of dovetopeont. The enviroment hag s protount effect on germication be Baviour, which brought about two myst The first is the ovvironnent prevailing ducing seed formation and ripening, the second fa the atrect effect of the svironnent during cornization A widocpread envirormental factor restricting crovth salinity which way inhibit the germination process at asy of Ate phases, probatty due to a epecttic notabolte dieck and theroby not porattting the energence of & sadteles.