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All Journal BIOTROPIA - The Southeast Asian Journal of Tropical Biology
MA L. O CEDO
Assistant Professor, Dept. of Horticulture, UPLB, Laguna 4031, Los Baños, Philippines
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Immunology & microbiology Veterinary

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IN VITRO CONSERVATION OF COCONUT (Cocos nucifera L.) EMBRYOS IN CULTURE MEDIA SUKENDAH SUKENDAH; MA L. O CEDO
BIOTROPIA - The Southeast Asian Journal of Tropical Biology No. 25 (2005)
Publisher : SEAMEO BIOTROP

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (210.667 KB) | DOI: 10.11598/btb.2005.0.25.210

Abstract

The possibility of delaying the germination of mature coconut embryos  in vitro for medium-term conservation of coconut was investigated.  Embryos of coconut was stored in sugar free, full-strength and half-strength MS media for 3 months with minimal loss in viability.  Germinability of embryos decreased with prolonged storage.  At the end of 9-month storage period, embryos kept in full-strength media were all non-germinable, while those stored in half-strength media still gave 15% germination.  Addition of mannitol up to 0.3M did show any significant effect  on germination of embryos stored for 3 months.  However, longer period of storage helps to a certain extent in the preservation of embryo viability.  The presence of mannitol in the storage medium also induced morphological abnormalities in seedlings derived subsequently from the stored embryos.  Mannitol at 0.4M was totally deleterious to the embryo.  Significance of these findings on coconut genetic resources conservation are discussed.  Keywords:  In vitro conservation/Coconut embryo.
Co-Authors SUKENDAH SUKENDAH