Comparative Study of Morphological and Molecular Profile of Drought Tolerant Maize and Varieties in Some Parts of South-West Nigeria.

Simple item page
dc.contributor.advisorDr, Anyakroh
dc.contributor.authorWILLIAMS, Uduak Akpan
dc.date.accessioned2026-08-27T09:09:52Z
dc.date.available2026-08-27T09:09:52Z
dc.date.issued2019-09-16
dc.descriptionxiv,72pages,illustration;,hardback.
dc.description.abstractMaize, a cereal grain with production of 5. 5 million tons per year has become a staple and most important weaning food for infants in many parts of the word especially Africa. Drought is one of the most environmental stresses that causes yield reduction in maize. The study was to compare the morphological and molecular performance of local maize varieties with drought tolerant maize varieties. Twenty one seeds (6landraces and 15 drought tolerant) of the genotypes obtained from the local market in ota and Agbara in ogun state, ikeja in Lagos and IITA, Ibadan respectively were grown in 3kg soil put in polyethylene bags; morphological data were taken one week after planting till twelve weeks. DND extracted from two week old leaves was subjected to PCR with 9 ISSR markers in order to estimate genetic diversity. Morphological date taken were plant height, leaf number, husk leaf length, ear length, ear diameter, tassel length, data of ear and tassel, number of cobs and seed number per plant. The data were analyzed statistically using ANOVA. Each polymorphic band was scored as (1) if present and(0) for absence. Polymorphic information content (PIC) was done using power market software and a dendrogram was constructed by UPGMA analysis . plant height ranged from 35cm to 63cm while the other parameters were significantly not too different in the maize varieties. The concentration of the extracted DNA ranged from 205.6ng to 907.6ng and the purity from 1.6 to 2.03 as detected by Nano-drop spectrophotometer.PCR amplified of genomic DNA generated a total of 289 amplification bands. The number of amplified bands ranged from 18 (p-umc 2225) to 59 (p-umc2189). The highest number of amplification was produced by p-umc 2189.The polymorphism information content ranged from 0.1575 to 0.7014 with p-umc 1542 having 70% polymorphism. Phylogenetic relations determined using unweighted pair-group method with arithmetic mean average (UPGMA) grouped the 21 genotypes of maize into 3 major cluster. Group 1&2 comprised of drought tolerant while 3 has both landraces and drought tolerant .
dc.identifier.urihttps://ir.bellsuniversity.edu.ng/handle/123456789/492
dc.language.isoen
dc.publisherBells University of Technology
dc.subjectEconomic importance
dc.subjectGrain production
dc.titleComparative Study of Morphological and Molecular Profile of Drought Tolerant Maize and Varieties in Some Parts of South-West Nigeria.
dc.typeDissertation

Files

License bundle
Now showing 1 - 1 of 1
No Thumbnail Available
Name:
license.txt
Size:
1.71 KB
Format:
Item-specific license agreed to upon submission
Description:
Download

Collections

Theses/Dissertations/Projects