International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
Open Access | Fully Refereed | Peer Reviewed

ISSN: 2319-7064


Downloads: 137

Research Paper | Agriculture | Nigeria | Volume 8 Issue 2, February 2019


Incidence of Irregular Sporads in Some Musa Accessions

Adeleke Martina T. V.


Abstract: Musa species have complex cytogenetic structure, resulting in extensive chromosomal rearrangements during meiosis. This is mainly because Bananas are derived from interspecific and intersubspecific hybridization. Most banana cultivars are triploid (2n=3x=33) interspecific hybrids between M. acuminata (A genome) and M. balbisiana (B genome). They are characterized by low male and female fertility. The uneven chromosome number gives rise to meiocytes with unequal chromosome number. The study shows univalents at metaphase I, precocious movement of chromosomes, bridges and lagging chromosomes at anaphase I. Incidence of univalents gave rise to poly- and irregular spore formation.


Keywords: Musa species, sporads, univalent, laggards, chromosomes


Edition: Volume 8 Issue 2, February 2019,


Pages: 1965 - 1969


How to Cite this Article?

Adeleke Martina T. V., "Incidence of Irregular Sporads in Some Musa Accessions", International Journal of Science and Research (IJSR), https://www.ijsr.net/get_abstract.php?paper_id=ART20195662, Volume 8 Issue 2, February 2019, 1965 - 1969

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