Genotypic variability estimates of agronomic traits in secondary triploid banana ‘Matooke’ (Musa sp., AAAEA) hybrids

Simple item page
dc.contributor.authorTendo Ssali, Reuben
dc.contributor.authorBarekye, Alex
dc.contributor.authorBuregeya, Henry
dc.contributor.authorErima, Rockefeller
dc.contributor.authorNamanya, Priver
dc.contributor.authorKubiriba, Jerome
dc.date.accessioned2022-02-22T18:19:16Z
dc.date.available2022-02-22T18:19:16Z
dc.date.issued2016
dc.description.abstractEffective selection of hybrids for a trait is based on the extent of variation and heritability. This study examined yield parameters of secondary triploid ‘Matooke’ hybrids and the extent of their genetic diversity based on the traits evaluated. Eleven genotypes, including nine ‘Matooke’ hybrids and two landraces were evaluated for 12 characters in a preliminary yield trial (PYT) over three crop cycles. Plant height, bunch weight, number of standing leaves at flowering and the youngest leaf spotted with black Sigatoka symptoms showed significant interaction between genotype and crop cycle. While characters such as pseudo stem girth, number of days for fruit filling, number of hands, number of fingers on the second hand and the fruit length showed stable differences amongst these genotypes. The genotypic coefficient of variation for the characters ranged from 7.6% (finger length) to 33.5% (bunch weight); with moderate heritability estimates varying from 13.5% (pseudostem girth) to 67% (plant height). Bunch weight showed strong positive correlation with number of hands, number of fingers on the second hand, the fruit length and pseudostem girth. These results imply that breeders could select for some of these variable and ratoon stable traits in a single cycle of early evaluation trial, subsequently reducing costs, time and space in field testing.en_US
dc.identifier.citationSsali, R. T., Barekye, A., Buregeya, H., Erima, R., Namanya, P., & Kubiriba, J. (2016). Genotypic variability estimates of agronomic traits in secondary triploid banana Matooke (Musa sp., AAA-EA) hybrids. African Journal of Plant Science, 10(4), 84-88. DOI: 10.5897/AJPS2015.1343en_US
dc.identifier.other10.5897/AJPS2015.1343
dc.identifier.urihttps://nru.uncst.go.ug/xmlui/handle/123456789/2258
dc.language.isoenen_US
dc.publisherAfrican Journal of Plant Scienceen_US
dc.subjectGenetic variationen_US
dc.subjectHeritabilityen_US
dc.subjectExpected genetic gainen_US
dc.subjectSelectionen_US
dc.subjectMusa spen_US
dc.titleGenotypic variability estimates of agronomic traits in secondary triploid banana ‘Matooke’ (Musa sp., AAAEA) hybridsen_US
dc.typeArticleen_US
Files
Original bundle
Now showing 1 - 1 of 1
Thumbnail Image
Name:
Genotypic variability estimates of agronomic traits in.pdf
Size:
456.73 KB
Format:
Adobe Portable Document Format
Description:
Article
Download
License bundle
Now showing 1 - 1 of 1
No Thumbnail Available
Name:
license.txt
Size:
1.71 KB
Format:
Item-specific license agreed upon to submission
Description:
Download
Collections
Agricultural and Veterinary Sciences