CYTOGENETIC STUDIES OF AFRICAN AWNED SQUILLS (DIPCADI SPECIES) IN NIGERIA.

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dc.contributor.authorABIODUN, Adelanwa Micheal
dc.date.accessioned2017-01-13T13:46:40Z
dc.date.available2017-01-13T13:46:40Z
dc.date.issued1997
dc.descriptionA DI SSERTATION SUBMITTED IN PARTIAL FULFILMENT OF THE REQUIREMENT FOR THE AWARD OF THE DEGREE OF MASTER OF SCIENCE M.SC IN BOTANY, DEPARTMENT OF BIOLOGICAL SCIENCES, UNIVERSITY OF 1LORIN, ILORIN NIGERIA.en_US
dc.description.abstractNigerian representatives of the African Awned Squills (Dipcadi Medic) were sampled from natural populations examined during ft'eld survey and collection trips. These representatives were grown in botanical nurseries in both University of Ilorin and Ahmadu Bello University, Zaria. Three taxa were recognised. Chromosome counts and karyotype study were conducted on the three taxa while meiotic chromosome study was carried out on two of the three taxa. The genus Dipcadi was found to be represented by two ploidy levels: diploid, 2n = 12 and tetraploid, 2n = 24. Dipcadi tacazzeanum and Ih filamentosa were diploids while D^ longifoluim is a tetraploid. The two diploids were karyotypically diferent. Meiosis was found to be regular in D. tacazzeanum, with six bivalents, and D^ longifolium with twelve bivalents. Experimental evidence indicated that all the Nigerian reprensentatives are of hybrid origin.en_US
dc.identifier.urihttp://hdl.handle.net/123456789/8444
dc.language.isoenen_US
dc.subjectCYTOGENETIC STUDIES,en_US
dc.subjectAFRICAN AWNED SQUILLS,en_US
dc.subject(DIPCADI SPECIES),en_US
dc.subjectNIGERIAen_US
dc.titleCYTOGENETIC STUDIES OF AFRICAN AWNED SQUILLS (DIPCADI SPECIES) IN NIGERIA.en_US
dc.typeThesisen_US
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