Proportion of Fusiform and Ray Initials in Populus nigra L. of Temperate Climate of Kashmir Himalaya

Abstract

Fusiform initials are generally known to constitute above 90% of thevascular cambium in tangential area of cambial zone and that the ray initials constitute less than 10% of the cambial zone, but in the  present study carried out on Populus nigra L, it was found that fusiform initials constitute about 72% and that ray initials constitute 28% of the meantangential area of the cambial zone.