PJB-2011-224
RELATIONSHIP AMONG ROOT CHARACTERISTICS AND DIFFERENTIAL POTASSIUM UPTAKE AND USE EFFICIENCY OF SELECTED COTTON GENOTYPES UNDER POTASSIUM DEFICIENCY STRESS
ZIA-UL-HASSAN1* AND MUHAMMAD ARSHAD2
Abstract
Potassium (K) uptake and K use efficiency are the most important characters of plant genotypes that determine their biomass production under K deficiency stress. This study reports the influence of some important root characters on the K uptake and use efficiency of three pre-selected cotton genotypes under K deficiency stress. These genotypes included CIM-506, NIAB-78 and NIBGE-2, selected on the basis of their differential K use efficiency i.e., low, medium and high, respectively. Cotton genotypes significantly (p
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