Study Of Effect Of Chromium Induced Changes In Seed Germination Patterns Of Vigna Angularis
Abstract
In the present investigation two accessions (V1 and V2) of Vigna angularis were exposed to different
concentrations of chromium treatments from 10-2M to 10-10M. The higher seed germination, root
length, shoot length and fresh weight were observed in the root tips of control seedlings. Similarly, the
lowest germination percentage (40.0 % in both at 10-2M), seedling length (1.7 cm and 1.5 cm at 10-
2M) and fresh weight (0.15 gm/seedling in V1 at various Cr concentrations and 0.12 gm/seedling in
V2 at 10-7M) were observed. Root shoot ratio (R/S) declined significantly from 10-10M to 10-2M Cr
concentrations over control. In V1, the minimum R/S was found to be in 10-5M concentration, and
inV2 minimum R/S was found to be in10-10M concentration. The RC (response coefficient) values
increased progressively from 10-2M to 10-10M in both the accessions