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

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Fältnamn	Indikatorer	Metadata
000		04489naa a2200337 4500
001		oai:slubar.slu.se:120052
003		SwePub
008		240410s2022 \| \|\|\|\|\|\|\|\|\|\|\|000 \|\|eng\|
024	7	a https://res.slu.se/id/publ/1200522 URI
024	7	a https://doi.org/10.21273/JASHS05246-222 DOI
040		a (SwePub)slu
041		a engb eng
042		9 SwePub
072	7	a ref2 swepub-contenttype
072	7	a art2 swepub-publicationtype
100	1	a Madalla, Noelu Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för växtförädling,Department of Plant Breeding4 aut
245	1 0	a Yield stability of East African highland cooking banana ‘Matooke’ hybrids
264	1	c 2022
264	1	b American Society for Horticultural Science,c 2024
520		a 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-byenvironment 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.
650	7	a LANTBRUKSVETENSKAPERx Bioteknologi med applikationer på växter och djurx Genetik och förädling inom lantbruksvetenskap0 (SwePub)404022 hsv//swe
650	7	a AGRICULTURAL SCIENCESx Agricultural Biotechnologyx Genetics and Breeding in Agricultural Sciences0 (SwePub)404022 hsv//eng
650	7	a LANTBRUKSVETENSKAPERx Lantbruksvetenskap, skogsbruk och fiskex Trädgårdsvetenskap/hortikultur0 (SwePub)401022 hsv//swe
650	7	a AGRICULTURAL SCIENCESx Agriculture, Forestry and Fisheriesx Horticulture0 (SwePub)401022 hsv//eng
700	1	a Ortiz Rios, Rodomiro Octaviou Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för växtförädling,Department of Plant Breeding4 aut0 (Swepub:slu)46847
710	2	a Sveriges lantbruksuniversitetb Institutionen för växtförädling4 org
710	2	a Sveriges lantbruksuniversitet
773	0	t Journal of the American Society for Horticultural Scienceg 147, s. 334–348-q 147<334–348-x 0003-1062x 2327-9788
856	4	u https://pub.epsilon.slu.se/id/eprint/29995/contentsx primaryx Raw objectx freey FULLTEXT
856	4 8	u https://res.slu.se/id/publ/120052
856	4 8	u https://doi.org/10.21273/JASHS05246-22

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