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Hernández, B.H.Díaz Bolívar, F.Schultze-Kraft, Rainer[Adaptación y productividad de 23 selecciones de Centrosema pubescens Benth. en un suelo ácido de baja fertilidad del piedemonte llanero colombiano]Adaptación y productividad de 23 selecciones de Centrosema pubescens Benth. en un suelo ácido de baja fertilidad del piedemonte llanero colombiano
Spain, James M.Castilla, Carlos E.Franco, T.[El uso eficiente de recursos e insumos en el establecimiento y mantenimiento de pastos tropicales]El uso eficiente de recursos e insumos en el establecimiento y mantenimiento de pastos tropicales

The effect of soil fertility on the response of field beans (Phaseolus vulgaris L.) to inoculation with Rhizobium leguminosarum bv. phaseoli was investigated at five sites in northern and central Malawi. A split-plot design consisting of (a) un-inoculated plants, (b) inoculated plants and (c) N-f...


Lupwayi, N.Z.Mkandawire, A.B.C.[Improved soil fertiliy increases nodulation of Phaseolus beans]Improved soil fertiliy increases nodulation of Phaseolus beans
Autor: Youngquist, W

The African Bean Yield and Adaptation Nurseries (AFBYANs) were designed to facilitate the distribution of elite lines among the national programs in SADC and to supply information on agro-ecological zones and the lines adapted to them. Twenty five entries have been grown in each of the AFBYAN`s (...


Youngquist, W[AFBYAN I, II, III: making headway in understanding]AFBYAN I, II, III: making headway in understanding

Bean common mosaic virus (BCMV) is seed transmitted and the most important virus disease of beans in Africa. A breeding programme was initiated in 1990 in Uganda to develop lines with resistance to necrotic strains that predominate in the continent. Evaluation of field layout on infection level s...


Gridley, Howard E.[Breeding for resistance to necrosis inducing strains of common bean mosaic virus]Breeding for resistance to necrosis inducing strains of common bean mosaic virus

Cassava (Manihot esculenta Crantz) is a hot-climate crop that is also grown in cool areas of the highland tropics, where yields are reduced. The purpose of this study was to evaluate the effect of growth temperature on photosynthesis of two cassava cultivars from contrasting habitat and to determ...


El-Sharkawy, Mabrouk A.Mejía de Tafur, MSCadavid López, Luis Fernando[Photosynthesis of cassava and its relation to crop productivity]Photosynthesis of cassava and its relation to crop productivity

Common bean still is the basic food in the Walungu region and the almost only source of proteins. With farmers from Walungu in general and the women of the organisation Femmes solidaires pour le Développement du Bushi (FESODEBU) in particular, the team of the PNL/Mulungu has done a survey to defi...


Musungayi, TSperling, L.Graf, WLunze, L[Diagnostique spécifique - haricot commun - à Walungu]Diagnostique spécifique - haricot commun - à Walungu
Gridley, Howard E.[Genotype x environment interactions in breeding for improved seed yield in Uganda]Genotype x environment interactions in breeding for improved seed yield in Uganda

Recent investigations on cassava and its relationships with Pseudomonas fluorescens and P. putida have shown (a) Isolates with none or very mild inhibition of pathogenic bacteria and fungi; (b) isolates that strongly inhibit pathogenic bacteria, with none or very mild inhibition of fungi; (c) iso...


Lozano, J.C.Laberry Saavedra, Rafael Alberto[Biological control of cassava diseases using fluorescent pseudomonads]Biological control of cassava diseases using fluorescent pseudomonads

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