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Autor: Gauhl, F.

Airborne asco-and conidiospores of Mycosphaerella fijiensis, the causal agent of black sigatoka, were trapped in the Atlantic lowland of Costa Rica, Central America, during two consecutive years. Selected environmental parameters were monitored in a heavily infected plantation of the False Horn c...


Gauhl, F.[Some aspects of black sigatoka epidemiology in Central America and outlook for future research in Sub-Saharan Africa]Some aspects of black sigatoka epidemiology in Central America and outlook for future research in Sub-Saharan Africa

This library research report will be particularly useful to French-speaking research workers in agriculture who want to get information about the Participatory Rural Appraisal (PRA). A synthesis is written from several documents and from a questionnaire which has been send to ex-alumni of the Fre...


Versteeg, M.Adanguidi, J.Djenotin, J.Nonfon, R.[Recherche participative efficace entre paysans, ONG, SNRA et IITA pour controler Striga hermonthica au Nord du Benin]Recherche participative efficace entre paysans, ONG, SNRA et IITA pour controler Striga hermonthica au Nord du Benin

Despite the widespread use of Leucaena leucocephala in alley cropping systems, little information is available on the effect of different magagement practices on its nitrogen fixation. We studied the effects of three successive cuttings at 12 week intervals on nodulation and nitrogen fixation of ...


Sanginga, N.Zapata, F.Danso, S.K.A.Bowen, G.D.[Effect of successive cuttings on nodulation and nitrogen fixation of Leucaena leucocephala using 15N dilution and the difference methods]Effect of successive cuttings on nodulation and nitrogen fixation of Leucaena leucocephala using 15N dilution and the difference methods

In sub-Saharan Africa (SSA), many crops grown by subsistence farmers are severely affected by virus diseases. These diseases are distinct from each other and have various means of spread and perennation. Many are widely distributed in the region. The causal agents of several virus diseases have b...


Hughes, J.Naidu , R.Shoyinka, S.[Future of plant virus disease research in subSaharan African agriculture]Future of plant virus disease research in subSaharan African agriculture
Rossel, H.W.Changa, C.M.Atiri, G.[Quantification of resistance to African cassava mosaic virus (ACMV) in IITA improved mosaic resistance cassava breeding materials]Quantification of resistance to African cassava mosaic virus (ACMV) in IITA improved mosaic resistance cassava breeding materials
Kadiata, B.Mulongoy , K.[Effect of pruning frequency on nitrogen accumulation and fixation in two woody legumes]Effect of pruning frequency on nitrogen accumulation and fixation in two woody legumes
Pasberg-Gauhl, C.Gauhl, F.Vuylsteke, D.R.[Sigatoka research at the International Institute of Tropical Agriculture, Nigeria]Sigatoka research at the International Institute of Tropical Agriculture, Nigeria
Autor: Padulosi, S.

Collecting missions under the auspices of the IITA to Zimbabwe, Tanzania, Chad, Swaziland, Lesotho and Somalia covered over 24 000 km and collected 2023 accessions of cultivated crops and wild material. Details are given for each of the 6 missions, with information on routes taken, regions visite...


Padulosi, S.[Plant germplasm collecting missions carried out from Mar 1987 to January 1989 in six African countries]Plant germplasm collecting missions carried out from Mar 1987 to January 1989 in six African countries
Versteeg, M.Adanguidi, J.Djenotin, J.Nonfon, R.[Effective participatory research involving farmers, non-governmental organizations, national agricultural research systems, and international agrcultural reseach systems, to improve food security in northern Benin]Effective participatory research involving farmers, non-governmental organizations, national agricultural research systems, and international agrcultural reseach systems, to improve food security in northern Benin

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