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Tag Archives: genotype-by-environment interaction

Genotype 3 environment interaction and selection for drought adaptation in sweetpotato (Ipomoea batatas [L.] Lam.) in Mozambique

Sweetpotato is grown throughout the year in Mozambique but drought affects storage root yield and biomass productivity. The objectives of this research were to estimate the impact of genotype × environment interactions (G × E) in sweetpotato and select genotypes based on drought indices such as geometric mean, percent yield reduction, drought sensitivity index …
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Adaptability and stability of sweetpotato varieties for low-input systems in Uganda

Sixteen of sweet potato varieties were evaluated for fresh storage roots yield in 20 trials during 2000-2001 for three seasons in four locations in Uganda.Of the 16 varieties, 11 were developed by farmers and five by central breeding programme. The behaviour of the varieties was quantified in terms of wide …
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The poster outlines how ggenenotype by Environment (GxE) interaction analysis has helped to select varieties combining good yield, high beta-carotene content and acceptable dry matter content. However, in Burkina Faso, most of the OFSP varieties introduced failed to adapt. In a country where VAD among children under five and their …
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Sweetpotato breeding for northeastern Uganda: Farmer varieties, farmer-participatory selection, and stability of performance

Between 1999 and 2001, the author conducted various studies, primarily in northeastern Uganda, aimed at rapidly assessing the potential of farmer varieties of sweetpotato (Ipomoea batatas) from northeastern Uganda in contributing to the varietal improvement programme in Uganda. These studies included: (i) collection of germplasm (farmer varieties) and farmer knowledge …
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