Effects of plant densities on the performance of common bean varieties in multiple environments of northwestern Tanzania

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dc.creatorAmara, Raya
dc.creatorKimisha, Joseph
dc.creatorMbiu, Julius
dc.creatorAssefa, Teshale
dc.creatorWaswa, Boaz Shaban
dc.date2023-03
dc.date2023-04-11T15:05:25Z
dc.date2023-04-11T15:05:25Z
dc.date.accessioned2026-06-27T13:26:07Z
dc.descriptionA study was carried out at two sites in Tanzania to assess the effect of different planting densities on growth and yield of five recently released bush bean varieties. The experiment was laid out in a split-plot design in a factorial arrangement with three replications during long and short rainy seasons of 2019/20 and 2020/21. The treatments comprised five bean varieties; TARIBEAN 1, 2, 3, 4 and 5 and five plant population densities; 200000, 222222, 250000, 266666 and 333333 plants/ha. Variables evaluated were plant height, angular leaf spot and common bacterial blight disease scores in leaves, number of pods per plant, number of seeds per pod, hundred seed weight and grain yield. The variables were subjected to ANOVA and means of statistically significant variables to plant density, variety, and environment were analyzed by Tukey HSD test and “which-won-where” view of the GGE biplot. The interaction of factors only affected significantly plant height and yield. Highest grain yield of 1,353 and 1,607 kg/ha were recorded by plant density of 200,000 plants/ha and TARIBEAN 1 variety at Maruku site during short rainy seasons (E2). Therefore, a plant density of 200,000 plants/ha and TARIBEAN 1 variety are recommended in all four environments.
dc.formatapplication/pdf
dc.identifierhttps://hdl.handle.net/10568/129947
dc.identifier.urihttp://hdl.handle.net/123456789/59283
dc.languageen
dc.publisherAcademic Journals
dc.rightsOpen Access
dc.sourceAmara, R.; Kimisha, J.; Mbiu, J.; Assefa, T.; Waswa, B. (2023) Effects of plant densities on the performance of common bean varieties in multiple environments of northwestern Tanzania. African Journal of Agricultural Research 19(3) p. 316-325. ISSN: 1991-637X
dc.subjectplant population
dc.subjectbeans
dc.subjectvarieties
dc.subjectyields
dc.subjectgrain legumes
dc.subjectagronomic characters
dc.titleEffects of plant densities on the performance of common bean varieties in multiple environments of northwestern Tanzania
dc.typeJournal Article

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