Variability and Correlation Studies for Nut Characters in Coconut
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Date
1993
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Abstract
Thirteen genotypes of coconut (Cocos nuclfera L) were studeid for various attributes of not sizeand yield. The population under study exhibited significant variation for all the characters except kernel thickness. In general, the size and weight of nut has inverse correlaton with nuts/palm. The correlation studies further, revealed that the Important characterslike size, volume, weight of copra and oil yield are mutually exclusive. Thus, the held performance In terms of copra yield or oil yleld/ha appearrs to be complex one. The characters ulz., volume of husked nut, weight of husked nut, shell and kernel are under controll of additive gene action whereas the characters weight of husk and copra were found to be govemmed by additive as well as non-additive gene action. Inspite of the complex mutual relationship of number of nuts/ palm, the genotypes Philippines, Lakshadweep ordinary, T x D (Orange) and Pratap could be rated as elite yielding types considering the copra and oil yield.
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Keywords
cocunut, nuts/palm, correlation coefficients, genotypic and phetypic coefficients of variation heretability, genetic advance, copra and oil
Citation
Maharashtra agric.univ.,18(3):361-364(1993)