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Yield stability of East African Highland cooking banana ‘Matooke’ hybrids

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Title Yield stability of East African Highland cooking banana ‘Matooke’ hybrids
 
Creator Madalla, Noel A.
Swennen, Rony L.
Brown, Allan
Massawe, Cornel
Mpoki, Shimwela
Mbongo, Daud Batson
Kindimba, Grace
Kubiriba, Jerome
Tumuhimbise, Robooni
Okurut, Asher Wilson
Carpentier, Sebastien C.
Bergh, Inge van den
Crichton, Rhiannon
Machida, Lewis
Weltzien, Eva
Ortiz, Rodomiro
 
Subject yield potential
genotype environment interaction
high-yielding varieties
experimentation
interacción genotipo ambiente
variedades de alto rendimiento
experimentación
 
Description East African banana (Musa sp.) breeding efforts have focused mainly on enhancing ‘Matooke’ productivity through the development of high-yielding, pathogen-resistant cultivars with adequate stability to contribute to regional food security. Before a breeding program can recommend promising cultivars for release, they must pass the sensory screens; be evaluated in the target population environments; and the data analyzed for yield, adaptability, and stability. Twenty-four primary and secondary triploid hybrids [NARITA (N)] derived from ‘Matooke’ bananas, six triploid local ‘Matooke’ cultivars, and one exotic cultivar were evaluated for their yield, adaptability, and stability across the East African region at three highland sites in Uganda’s western and central regions, as well as at three sites in Tanzania’s northeastern and southern highlands regions, from 2016–19. A randomized complete block design with four replicates was used for multisite trials. The mixed-model restricted maximum likelihood/best linear unbiased prediction approach, along with additive main effect multiplicative interaction model biplots, were used to dissect and visualize genotype-by-environment patterns. Following the likelihood ratio test, both genotype and interaction effects were highly significant, confirming the influence of genotype and site heterogeneity for selecting specific and broadly adapted cultivars. N23 had the greatest yield across all sites associated with adaptability and stability, outperforming the overall mean yield of all
genotypes by 34.2%. In Tanzania, N27 (second), N7 (third), N18 (fourth), N4 (fifth), N12 (sixth), and N13 (seventh); and in Uganda, N17 (second), N18 (third), N2 (fourth), N8 (fifth), N13 (sixth), N12 (seventh), N4 (eighth), and N24 (ninth) demonstrated good adaptability and stability, as well as high yield. Furthermore, the fungal pathogen Pseudocercospora fijiensis had no significant effect (P >0.05) on yield, stability, and adaptability of the hybrids. As a result, they can be introduced into areas where black leaf streak constrains banana production significantly and threatens farmers’ livelihoods. The average site yield potential ranged from 9.7 to 24.3 t ha–1 per year. The best discriminating sites for testing breeding clones were Lyamungo in Tanzania and Sendusu in Uganda. Hence, these testing sites are recommended as ideal examples of locations for selecting superior genotypes.
 
Date 2022-11
2022-12-21T10:17:08Z
2022-12-21T10:17:08Z
 
Type Journal Article
 
Identifier Madalla, N. A.; Swennen, R.; Brown, A. F.; Massawe, C.; Shimwela, M.; Mbongo, D.; Kindimba, G.; Kubiriba, J.; Tumuhimbise, R.; Okurut, A. W.; Carpentier, S.; Van den Bergh, I.; Crichton, R.; Machida, L.; Weltzien, E.; Ortiz, R. (2022) Yield stability of East African Highland cooking banana ‘Matooke’ hybrids. Journal of the American Society for Horticultural Science 147(6) 15 p. ISSN: 0003-1062
0003-1062
https://hdl.handle.net/10568/126181
https://doi.org/10.21273/JASHS05246-22
 
Language en
 
Rights CC-BY-NC-ND-4.0
Open Access
 
Format p. 334-348
application/pdf
 
Publisher American Society for Horticultural Science
 
Source Journal of the American Society for Horticultural Science