Effect of different salinity stress on seedling growth in long bean (Vigna sinensis L.) genotypes
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Abstract
The response of long bean genotype in different NaCl concentrations (0 mM, 70 mM, 140 mM and 210 mM) was investigated. The highest concentration of NaCl gave the highest percent of plant death in all genotypes. The increasing concentration of NaCl decreased the plant height, leaf number, leaf chlorophyll, length of root, fresh biomass and dry biomass. Interaction between genotypes and NaCl was significant in parameters plant height, length of root and fresh biomass. The results showed the LC50 of the long bean genotypes was ranged between 93 mM to 210 mM. Under salt stress, the genotypes Metro super, Salsa, Branjangan, and Pujangga 2 showed better growth performance.
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