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2Department of Botany, Annamalai University, Annamalai Nagar, Tamil Nadu, India
3Department of Botany, Government Arts College (Autonomous), Salem – 638 661, Tamil Nadu, India
Soil salinity is one of the major environmental problem affecting agricultural production in arid and semi-arid regions of the world. A pot culture experiment was conducted to estimate the effect of NaCl stressed Sorghum vulgare L. variety of MFSH-4 (White Sorghum) the plant belongs to family Poaceae, is a sub tropical crop, grown worldwide, particularly in South Asia for edible and fodder purposes, while little is known about its salinity tolerance. The seed were sown in plastic pots from 30 days after sowing (DAS). The plants were treated with 25mM, 50mM, 75mM and 100mM sodium chloride on 30th, 40th and 50th DAS. The plants samples were collected from 40th, 50th and 60th DAS. The plants were collected for estimating the growth parameters and pigment content of the plants. The sodium chloride treatment decreased the root length, stem length, total leaf area, fresh weight, dry weight, chlorophyll and carotenoid content with increasing concentration of NaCl to a larger extent when compared to control in all the treatment day.