PJB-2022-84
Floral Biology, Breeding system and pollination ecology of Calophyllum inophyllum
V. Sivakumar
Abstract
Floral biology, breeding system and pollination studies were conducted in Calophyllum inophyllum, a potential important oil yielding tree. The physiological observations indicated that pollen germination was test at 8% sucrose solution which shows enhanced pollen tube growth. Anthesis of flowers started at 07.00 h and attains its peak at 08.00 h with anther dehiscence at 08.00 - 09.00 h. The occurrence of successful wind and insect pollination indicates that C. inophyllum is ambophilous, the maintenance of ambophily may attribute to the decrease of population density. It prefers geitonogamy followed by xenogamy though self pollination occurs at a very low rate. These observations will be useful for tree improvement programs of the species in order to obtain superior quality clones.
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