Evaluation of brinjal genotypes under various levels of salinity
N Deepa Devi and T Arumugam
Accumulation of excess salt in the root zone resulting in the partial/complete loss of soil productivity is a worldwide phenomenon. The problems of soil salinity are most wide spread in the arid and semi arid region but salt affected soil also occurs extensively in sub-humid & humid climates, particularly in the coastal regions where the ingress of sea water through estuaries and rivers and through ground water causes large scale salinization. The present study aimed to evaluate the effect of salinity on seed germination, seedling characters and to find out the genetic salt tolerance or resistance cultivars during germination and seedling growth. In this study, germination percentage, seedling length, root length, shoot length, vigour index, salt tolerant index were assayed at three different salinity levels viz., 25mM NaCl, 50mM NaCl and 100mM NaCl and compared with control (0mM NaCl). The germination percentage and seedling growth were significantly reduced under high saline condition. The seedling length, root length, shoot length were also significantly reduced under saline stress situation. Among the 25 genotypes, IC136296, IC136041, IC136096 and IC136461 were found highly tolerant to saline condition which could be used as rootstock for produce saline tolerant grafting as well as developing saline tolerant/resistant hybrids.
How to cite this article:
N Deepa Devi, T Arumugam. Evaluation of brinjal genotypes under various levels of salinity. Pharma Innovation 2019;8(6):01-03.