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COMMUNICATION I: Breaking Dormancy in Kentia Palm Seeds by Infusion Technique

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Pertanika Journal of Tropical Agricultural Science, Volume 11, Issue 1, April 1988

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In this investigation three organic solvents, namely dichloromethane, dimethyl sulfoxide (10%) and acetone each containing 100 mgl~l gibberelik acid (GA3) were used to treat the seeds prior to germination, to assess the effecitiveness of these solvents in transporting GA3 directly to the embryo for triggering an early germination. The results indicate that organic solvents appear effective in transporting the GA3 to the embryo of Kentia Palm seeds to improve germination with no deleterious effects. The first sign of germination in vitro was observed after 2 months in culture, while the emergence of the plumule in sand was observed around the 4th month of planting. Over the 9-month study period, for the treatment where dichloromethane was used, 85% of the seeds planted in sterile sand had germinated while in vitro, 90% of the seeds had germinated. It is probable that this approach may prove beneficial in improving the germination time in palm species that exhibit long periods of dormancy before germination.

ISSN 1511-3701

e-ISSN 2231-8542

Article ID

PERT-0471-1988

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