Efficacy of exogenous Spermidine and Kinetin in altering the macronutrients accumulation in Mash (Vigna mungo (L.) Hepper) genotypes under Lead (Pb) stress

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G. YASIN
A. ALTAF
S. A. BATOOL
A. NOMAN
K. HUSSAIN

Abstract

An experiment was managed in quest of finding the effects of Spermidine and Kinetin on macronutrients accumulation in various organs of Vigna mungo (L.) genotypes grown in soil with 20mg/kg and 40mg/kg Lead. Four genotypes were grown in pots. After fifteen days, Pb (NO3)2 was added to soil. Spermidine and Kinetin were foliarly sprayed separately twice at age of 15 and 30 days of plants. Macronutrients were determined in organs at physiological maturity. Spermidine increased Nitrogen contents in seeds of Mash 80 and Mash 88 as 60.87% and 33.75% respectively. Spermidine increased Phosphorus in root, stem and seeds of Mash 80 and Mash 88. Potassium was increased in root and seeds of Mash 80 and Mash 97. Kinetin increased Nitrogen in root, stem and leaves of Mash 80. Also, Phosphorus concentration was enhanced in all organs of Mash 80 and in stem and seeds of Mash 88.

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