K.R. SHIVANNA
Ashoka Trust for Research in Ecology and the Environment, Srirampura, Jakkur Post, Bengaluru 560 064, India Email-shivannakr40@gmail.com
Abstract
Pollen grains are the male partners in sexual reproduction of seed plants; their main biological function is to transport male gametes to the vicinity of the female gametes for fertilization; this is familiar to all botanists. Less familiar are their non-reprod
