Title: Cytogenetics of Musa textilis nee x Musa balbisiana Colla hybrids in the Philippines
Subject:
genetics Cytogenetics Musa textilis Musa balbisiana hybrids PhilippinesTags (theses)
Author/s: Oracion, Marilyn B.Z.
PR-T
1985
T - Gene 1
SEARCA Library
TD
University of the Philippines Los Baños,
March 1985
Los Baños, Laguna, the Philippines :
Karyotype analysis using chromosome banding (C-banding and H-banding) methods was done on two Musa textilis Nee varieties Sogmad Pula and CES III, Musa balbisiana Colla (Pacol), Pacol x CES III, and the two putative Pacol x Abaca hybrids, Canton and Minay. Results revealed that somatic mosaicism caused by aneuploidy in the chromosome types identified was exhibited in all the Musa forms studied. Heteromorphism in chromosome lengths and amounts of heterochromatin among chromosomes of a complement demonstrated the heterozygouz condition of all forms. The hybrid revealed only the chromosome types found in Musa textilis and M. balbisiana except for Minay which showed rare chromosome types suspected to have arisen by structural rearrangements of chromosomes. The direct hybrid origin of these hybrids were discussed.
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