Fig. 7 

Effect of Nano-Se on leaf polyamine metabolism at 0 and 10 dpi. The figure layout, cultivars and conditions utilized are as in Fig. 1. SAMDC: S-adenosylmethionine decarboxylase; ADC: arginine decarboxylase; ODC: ornithine decarboxylase; CPA: N-carbamyl putrescine hydrolase