Abstract

Abstract Pollen production in terms of number per anther along with the particulars of anther number per flower, anther length, filament length, pollen grain size and mode of anther dehiscence was determined for 82 angiospermous plant species occurring in Andhra Pradesh, India. Pollen production varied widely from genus to genus, and from species to species within the same genus. The non-Poaceae and non-Cyperaceae members proved to be high pollen producers. The level of pollen production was directly related to anther size and inversely related to pollen grain size. There was no correlation between high pollen production and mode of anther dehiscence in general, but the high pollen producers of Poaceae are porous dehiscing. It is presumed that high pollen producers are crosspollinated, whereas low pollen producers are either self-pollinated or apomictic.

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