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Morphological variation and inter-relationships of quantitative traits in enset (Ensete ventricosum (welw.) Cheesman) germplasm from South and South-Western Ethiopia

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Yemataw, Zerihun, Chala, Alemayehu, Ambachew, Daniel, Studholme, David J., Grant, Murray R. and Tesfaye, Kassahun (2017) Morphological variation and inter-relationships of quantitative traits in enset (Ensete ventricosum (welw.) Cheesman) germplasm from South and South-Western Ethiopia. Plants, 6 (4). 56. doi:10.3390/plants6040056 ISSN 2223-7747.

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Official URL: http://doi.org/10.3390/plants6040056

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Abstract

Enset (Ensete ventricosum (Welw.) Cheesman) is Ethiopia's most important root crop. A total of 387 accessions collected from nine different regions of Ethiopia were evaluated for 15 quantitative traits at Areka Agricultural Research Centre to determine the extent and pattern of distribution of morphological variation. The variations among the accessions and regions were significant (p ≤ 0.01) for all the 15 traits studied. Mean for plant height, central shoot weight before grating, and fermented squeezed kocho yield per hectare per year showed regional variation along an altitude gradient and across cultural differences related to the origin of the collection. Furthermore, there were significant correlations among most of the characters. This included the correlation among agronomic characteristics of primary interest in enset breeding such as plant height, pseudostem height, and fermented squeezed kocho yield per hectare per year. Altitude of the collection sites also significantly impacted the various characteristics studied. These results reveal the existence of significant phenotypic variations among the 387 accessions as a whole. Regional differentiations were also evident among the accessions. The implication of the current results for plant breeding, germplasm collection, and in situ and ex situ genetic resource conservation are discussed.

Item Type: Journal Article
Subjects: Q Science > QK Botany
S Agriculture > SB Plant culture
Divisions: Faculty of Science, Engineering and Medicine > Science > Life Sciences (2010- )
SWORD Depositor: Library Publications Router
Library of Congress Subject Headings (LCSH): Ensete, Root crops -- Ethiopia, Ensete -- Variation, Ensete -- Genetics, Ensete -- Morphology, Ensete -- Germplasm resources
Journal or Publication Title: Plants
Publisher: M D P I AG
ISSN: 2223-7747
Official Date: 6 December 2017
Dates:
DateEvent
6 December 2017Published
9 November 2017Accepted
Volume: 6
Number: 4
Article Number: 56
DOI: 10.3390/plants6040056
Status: Peer Reviewed
Publication Status: Published
Reuse Statement (publisher, data, author rights): ** From PubMed via Jisc Publications Router. ** History: received 21-10-2017; revised 07-11-2017; accepted 09-11-2017.
Access rights to Published version: Open Access (Creative Commons)
Date of first compliant deposit: 12 January 2018
Date of first compliant Open Access: 12 January 2018
RIOXX Funder/Project Grant:
Project/Grant IDRIOXX Funder NameFunder ID
UNSPECIFIEDMcKnight Foundationhttp://dx.doi.org/10.13039/100005270

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