The success of artificial pollination is dependent on the viability of the pollen. However, information on the longevity of pollen and optimal condition for in vitro
germination are not readily available for durian. Although flowers are hermaphroditic, self-pollination is
not usually possible; this is ensured by the spatial separation between the anther and stigma owing to the
difference in the lengths of the style and filament. Durian is not anemophilous (Valmayor et al., 1965); pollen should be transferred by some pollinator for successful pollination. However, if pollen longevity is short, it