Indian Society of Genetics & Plant Breeding

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GENERAL AND SPECIFIC COMBINING ABILITIES FOR LATEX YIELD IN HEVEA BRASILIENSIS

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The yield of ten Hevea progenies derived from hand pollination in a set of 5 x 5 diallel
crosses was analysed for combining ability. General combining ability variance (gca) and
specific combining ability (sea) variances were highly significant. The gca : sca ratio was
1:2. Two parental clones, PR 107 and RRIM 628, were identified as general combiners with
PR 107 being more suitable for the production of synthetic clones.
  

Keywords: Combining ability, dialIel cross, Hevea brasiliensis, clone, progenies.

Info

Year: 1991
Volume: 51
Issue: 3
Article DOI: NA
Print ISSN: 0019-5200
Online ISSN: 0975-6906

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