Cytology and origin of the dwarf coconut palm

Swaminathan, M. S. ; Nambiar, M. C. (1961) Cytology and origin of the dwarf coconut palm Nature, 192 . pp. 85-86. ISSN 0028-0836

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Distinct varieties of dwarf coconut (Cocos nucifera L.) occur in Malaya, Philippines, Fiji Islands, Viet Nam, Ceylon and India. These varieties grow to a height of 15-30 ft. compared with more than 50 ft. among normal tall types and need only 3-5 years to commence bearing in contrast to 8-10 years taken by the tall strains. While the tall varieties are largely obligatorily cross-pollinated, the dwarfs usually undergo self-pollination owing to the overlapping of the female and male phases in the same inflorescence. As a result, many dwarf strains yield homogeneous progenies and they can be used with advantage for identifying the most pre-potent males. The poor vigour and copra quality of the dwarf palms, however, render them unsuitable for cultivation on a plantation scale. In addition to the typical tall and dwarf palms, various intermediate categories occur in Nature and have also been obtained by crossing the tall and dwarf strains.

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Deposited On:18 Aug 2011 07:17
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