Pollination with precision: How flowers do it
Friday, May 18, 2012 - 10:31
in Biology & Nature
Pollination could be a chaotic disaster. With hundreds of pollen grains growing long tubes to ovules to deliver their sperm to female gametes, how can a flower ensure that exactly two fertile sperm reach every ovule? Biologists report the discovery of how plants optimize the distribution of pollen for successful reproduction.