Screening of maize hybrids against salt stress under hydroponic culture

Maqbool, M. M. and Wahid, A. and Ali, A. and Khan, S. and Irshad, S. and Batool, S. (2020) Screening of maize hybrids against salt stress under hydroponic culture. CEREAL RESEARCH COMMUNICATIONS, 48 (1). pp. 49-55. ISSN 0133-3720 (print), 1788-9170 (online)

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Abstract

Maize is one of the most salt-sensitive feld crop among cereals which is adversely afected by salt stress. With the objective to sort out the contrasting genotypes, eight maize hybrids (FH-988, 20R52, FH-1046, Rustam-1, FH-949, Pioneer 30Y87, FH-1137 and Rustam-12) were raised in saline (100 mM NaCl) and non-saline (4 mM NaCl) hydroponics culture. The layout of the experiment was Completely Randomized Design (CRD) in factorial fashion with three replications. The maize hybrid FH-988 was evaluated as comparatively salt tolerant hybrid as it has produced the maximum shoot dry weight (7.66 g) and retained higher K+/Na+ ratio (0.87), while FH-1137 was categorized as comparatively salt sensitive genotypes because of minimum shoot dry weight (4.33 g) and retained minimum K+/Na+ ratio (0.44).

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