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The base (Tb), optimum (To) and ceiling (Tce) temperature for 50% seed germination and seedling emergence, and the thermal time at sub-optimal temperatures (θ1), were examined in experiments with a range of cowpea genotypes from different habitats and latitudes. There was substantial genotypic va...


Craufurd, P.Q.Ellis, R.H.Summerfield, R.J.Menin, L.[Development in cowpea (Vigna unguiculata); l: the influence of temperature on seed germination and emergence]Development in cowpea (Vigna unguiculata); l: the influence of temperature on seed germination and emergence

The adoption of `improved' sorghum (Sorghum bicolor (L.) Moench) genotypes (i.e. drought tolerant, high grain-yielding and bird-resistant) by farmers in Ethiopia is low (Tilahun et al., 1992). Farmers prefer local, non-bird-resistant genotypes because their drought resistance and grain and stover...


Osafo, E.L.K.Owen, E.Ellis, R.H.Said, A.N.Gill, M.Sherington, J.[Stability of yields of sorghum genotypes: Implications for animal production in the tropics]Stability of yields of sorghum genotypes: Implications for animal production in the tropics

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