Evaluation of yield performance of sorghum (Sorghum bicolor L. Moench) varieties in Central Tanzania

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Research Paper 01/08/2018
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Evaluation of yield performance of sorghum (Sorghum bicolor L. Moench) varieties in Central Tanzania

Andekelile Mwamahonje, Zacharia Maseta
Int. J. Agron. Agri. Res.13( 2), 8-14, August 2018.
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The study was conducted to determine the performance of local and improved varieties in Central zone, Tanzania. The experiment was arranged in a Randomized Complete Block Design (RCBD) with three replications, one local variety (udo) and two improved varieties (NACO-1 and macia) were used. Results indicated significance variation at p < 0.05 among sorghum tested in terms of plant height, leaf area, and leaf length. Out of three sorghum varieties tested, variety macia was the shortest in plant height (122.37 cm) while variety udo showed the highest plant height (279.8 cm). There was no significance variation in yield, number of tillers, leaf width, total leaf area, leaf area index and moisture content among three varieties tested. However, improved variety NACO-1 yielded the highest (1870.83 g) followed by macia (1412.7 g) while local variety udo yielded the lowest 914.43 (g) respectively. Such results indicate that, there is a difference in genetic bases with variation in the gene action expressing phenotypes among varieties tested. The variety NACO-1 could contains QTLs expressing high yielding compared to the rest varieties. Moreover, varieties respond different in the level of tolerant during dry spell period. This may be one factor that has favoured high yielding in improved varieties in addition to high stay green ability than udo. From this study, we recommend variety NACO-1 for adoption by farmers to enhance high production of sorghum, considering that this variety has performed better in most sorghum production areas in Tanzania.


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