Breaking Seed Dormancy: Revisiting Heat-treatment Duration on Germination and Subsequent Seedling Growth of Oil Palm (EIaeis guineensis Jacq.) Progenies

Nicolas Fondom, Culbertson E. Etta and Afui M. Mih

Journal of Agricultural Science, 2010, vol. 2, issue 2, 101

Abstract: The role of duration of various varying heat-treatment durations on the germination of oil palm seeds is welldocumented. We investigated the effects of different heat-treatment durations on germination and seedlinggrowth of 10 oil palm progenies. Batches of 250 oil palm seeds from each progeny were heat-treated at atemperature of 39° C ± 1° C for 60, 80, 100 and 120 days, to break dormancy. Seedling growth parametersmeasured included rate of leaf production, leaf area and relative leaf area growth rate, rate of leaf elongation, anddiameter of base of seedlings stem. Germination rates for 60, 80, 100, and 120 days combined were highest forprogenies A5240 and A5221 (> 80 %) but very low (

Date: 2010
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