The Effect of Sieve Size on Pollen Viability of Several Oil Palm (Elaeis guineensis Jacq.) Varieties
Keywords:
female flower, fruit set, in vitro, male flower, pollen tubeAbstract
High pollen viability plays an essential role in increasing fruit set, achieving optimal yield, and ensuring successful pollination in oil palm (Elaeis guineensis Jacq.). Pollen size varies among species and even among varieties within the same species, which may influence its viability level. This study aimed to determine the most suitable sieve size for pollen viability, the best-performing oil palm variety, and the interaction between sieve size and variety on pollen viability. The experiment was arranged in a factorial Randomised Complete Block Design with two factors: sieve size (8, 10, 12, and 14 mesh) and variety (FR 1, Topaz 3, and PPKS 540), each replicated three times. The observed parameters included germination rate, maximum growth potential, growth rate, and pollen tube length, which were analysed using ANOVA in SPSS software. The results showed that sieve size had no significant effect on all pollen viability parameters, whereas the Topaz 3 variety exhibited the highest germination rate, maximum growth potential, and growth speed. No significant interaction was observed between sieve size and variety on pollen viability.
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