The effects on yield of varying the planting date and planting pattern of morphologically different cowpea cultivars intercropped with pearl millet were studied in two field trials. The interaction between cowpea cultivars and planting date was highly significant. There was a sharp reduction in cowpea yields with late planting. Millet yields were reduced less when sown simultaneously with early cowpea cultivars than when sown with a late maturing local cultivar. Early maturing cowpea cultivars planted in closely spaced hills had less effect on millet yields than a late maturing cultivar sown in widely spaced hills. An appropriate cowpea cultivar for intercropping with peal millet would be one that was weakly competitive and that yielded both grain and fodder.

https://doi.org/10.1017/S0014479700015386

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https://doi.org/10.1017/S0014479700015386

Smallholder Farmers; Cowpea; Pests Of Plants; Plant Diseases; Crop Systems

Cowpeas; Yields; Intercropping; Small Farmers; Drought

Africa; West Africa

Niger