Univrsity of Tehran Press Iranian Journal of Field Crop Science 2008-4811 47 2 2016 08 22 Polyamine changes analysis under drought stress in common bean (Phaseolus vulgaris L.) Polyamine changes analysis under drought stress in common bean (Phaseolus vulgaris L.) 185 192 58853 10.22059/ijfcs.2016.58853 FA Mohsen Mombeni Alireza Abbasi 0000-0003-3598-0419 Journal Article 2014 10 15 In this research, we studied polyamines including putrescine (put), spermidine (spd) and spermine (spm) changes in three common bean (<em>Phaseolus vulgaris</em>) genotypes, K-S-31167, GE-288 and NAZ under drought stress. Our result showed steadily increase in putrescine (put) and spermine (spm) in all three genotypes.  GE-288 genotype showed decrease and then increasing in spermidine (spd) content but K-S-31167 and NAZ genotypes showed steadily increasing in spermidine (spd). NAZ genotype accumulated putrescine more than other polyamines and showed the highest amount of putrescine in compare with other genotypes. K-S-31167 genotype accumulated the highest spermine content in compared with other genotypes. Our result showed significant increase in electrolyte leakage (EL) in all three genotypes. K-S-31167 as drought tolerant genotype and ZAZ as drought sensitive genotypes showed the lowest and the highest increase in EL, respectively. In this research, we studied polyamines including putrescine (put), spermidine (spd) and spermine (spm) changes in three common bean (<em>Phaseolus vulgaris</em>) genotypes, K-S-31167, GE-288 and NAZ under drought stress. Our result showed steadily increase in putrescine (put) and spermine (spm) in all three genotypes.  GE-288 genotype showed decrease and then increasing in spermidine (spd) content but K-S-31167 and NAZ genotypes showed steadily increasing in spermidine (spd). NAZ genotype accumulated putrescine more than other polyamines and showed the highest amount of putrescine in compare with other genotypes. K-S-31167 genotype accumulated the highest spermine content in compared with other genotypes. Our result showed significant increase in electrolyte leakage (EL) in all three genotypes. K-S-31167 as drought tolerant genotype and ZAZ as drought sensitive genotypes showed the lowest and the highest increase in EL, respectively. https://ijfcs.ut.ac.ir/article_58853_9fae28b3e50b14ac4923357163933edb.pdf