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Uncovering the biological and agronomic stability of chickpea (Cicer arietinum L.) genotypes against sodium chloride stress

Muhammad Aslam, Muhammad Amir Maqbool, Qasim Mushtaq, Muhammad Arslan Akhtar and Ayesha Aslam

Irrigation practices have imposed the salinity stress in cultivated areas which resultantly inhibiting the crop productivity. Chickpea is also being grown under versatile environmental conditions across the region. Stability of the genotypic performance across different environments is indicator of tolerance against subjected stress. In current research experiment, agronomic and biological stability of chickpea genotypes was evaluated against different artificial saline environments. GGE biplot analysis was used for identification of stable performance of chickpea genotypes based on morphometric, physiological and biochemical markers. Chickpea genotypes were found to be negatively affected by salinity stress at early growth stages but magnitude of responses was different across the genotypes which have indicated the differential levels of genotype into environment interactions. Genotype 6009 was found biologically stable for chlorophyll contents, relative water contents and growth related parameters while genotype 6003 was biologically stable for relative water contents, Na+ concentration, K+ concentration and growth related traits. Venhar-2000, Bital-98 and Noor-2009 showed agronomic stability and recommended for further progression, manipulation and improvisation against salinity stress for better productivity.

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