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La concurrence des mauvaises herbes est un obstacle à la rentabilité de la production du manioc. La connaissance des espèces de mauvaises herbes qui affectent négativement la productivité du manioc est essentielle pour une gestion efficace. Une étude a été conduite entre mai et juin 2014 et 2015 ...


Ekeleme, F.Atser, G.Dixon, A.Hauser, S.Chikoye, D.Olorunmaiye, P.M.Sokoya, G.Alfred, J.Okwusi, M.C.Korieocha, D.S.Olojede, A.O.Ayankanmi, T.G.Lagoke, S.T.O.[Assessment of weeds of cassava and farmers management practices in Nigeria]Assessment of weeds of cassava and farmers management practices in Nigeria

Two trials were conducted in the screenhouse of CIAT (Centro Internacional de Agricultura Tropical), located in Palmira, Colombia, to obtain information on how soil characteristics affect the growth of purple nutsedge (Cyperus rotundus L.). One was designed to determine the effect of five levels ...


Fuentes de Piedrahíta, Cilia L.Doll, Jerry D.[Efecto de la humedad y de la textura del suelo en el crecimiento y desarrollo del coquito Cyperus rotundus L]Efecto de la humedad y de la textura del suelo en el crecimiento y desarrollo del coquito Cyperus rotundus L

Six experiments with sorghum, soybean, and the weed purple nutsedge were conducted in the screenhouse of the Centro Internacional de Agricultura Tropical (CIAT), Palmira, Colombia. The objective was to determine if purple nutsedge produced inhibitors which affect crop growth and to study the effe...


Lucena Ugaz, Juan ManuelDoll, Jerry D.[Efectos inhibidores de crecimiento del coquito (Cyperus rotundus L.) entre sorgo y soya]Efectos inhibidores de crecimiento del coquito (Cyperus rotundus L.) entre sorgo y soya

A survey was made of weed species, weed densities and common weeding practices on 3 visits during the growing season to some 300 farms in 5 cassava-growing regions of Colombia. Broadleaf weeds were the commonest in all regions (62-65 percent of the species); there was a shift to slightly more gra...


Díaz, R.O.Pinstrup-Andersen, PerDoll, J.[Las malezas y su control en el cultivo de la yuca en Colombia]Las malezas y su control en el cultivo de la yuca en Colombia
Beed, Fen D.[A week in the life of Fen Beed at Biological Control Center for Africa, International Institute of Tropical Agriculture, Cotonou, Republic of Benin, West Africa]A week in the life of Fen Beed at Biological Control Center for Africa, International Institute of Tropical Agriculture, Cotonou, Republic of Benin, West Africa

(1) This study tests the hypothesis that photosynthetic performance of seedlings in a tropical forest depends on the successional status of the species. According to this hypothesis, pioneers display an enhanced capacity to utilize the high photon flux density associated with a gap. (2) Data were...


Riddoch, I.Grace, J.Fasehun, F.E.Riddoch, B.Ladipo, D.O.[Photosynthesis and successional status of seedlings in a tropical semideciduous rain forest in Nigeria]Photosynthesis and successional status of seedlings in a tropical semideciduous rain forest in Nigeria

Rodenburg, J.Schut, MarcDemont, M.Klerkx, LaurensGbèhounou, G.Oude Lansink, Alfons G.Mourits, M.Rotteveel, T.Kayeke, J.Ast, A. vanAkanvou, L.Cissoko, M.Kamanda, J.Bastiaans, L.[Systems approaches to innovation in pest management: reflections and lessons learned from an integrated research program on parasitic weeds in rice]Systems approaches to innovation in pest management: reflections and lessons learned from an integrated research program on parasitic weeds in rice
Doll, Jerry D.Piedrahíta Castañeda, Wilson[Efectos de aplicaciones repetidas de paraquat y glifosato sobre las fluctuaciones de poblaciones de malezas]Efectos de aplicaciones repetidas de paraquat y glifosato sobre las fluctuaciones de poblaciones de malezas
Piedrahíta Castañeda, WilsonDoll, Jerry D.[Efecto de la rotación de herbicidas y cultivos sobre el complejo y la población de malezas]Efecto de la rotación de herbicidas y cultivos sobre el complejo y la población de malezas

Tropical agroecosystems constitute diversified systems with crops arranged in polycultural patterns. Weeds are important components of these systems and condition insect diversity and stability. In an attempt to gather experimental evidence as a basis for tropical pest management strategies, 9 fi...


Altieri, Miguel A.Doll, J.Schoonhoven, Aart van[Interacciones entre insectos y malezas en mono y policultivos de maiz y frijol]Interacciones entre insectos y malezas en mono y policultivos de maiz y frijol

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