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Journal Article 1997

Autor: Schulthess, F. Bosque Pérez, N.A. Chabi-Olaye, A. Gounou, S. Ndemah, R. Goergen, Georg E.

Difficulties of identification of natural enemies of cereal stemborers for 'redistribution' in Africa are discussed. Tritrophic level studies on wild and cultivated habitats of borers and beneficial species are needed to judge the impact of a natural enemy species in the cropping system. Areas wi...

Enlace original: https://cgspace.cgiar.org/handle/10568/98681

Investigación en Agricultura
Enlace permanente
Schulthess, F. ,  Bosque Pérez, N.A. ,  Chabi-Olaye, A. ,  Gounou, S. ,  Ndemah, R. ,  Goergen, Georg E. ,  [Exchanging natural enemies species of lepidopterous cereal stemborers between African regions] ,  Exchanging natural enemies species of lepidopterous cereal stemborers between African regions
Journal Article 1997

Autor: Cardwell, K.F. Schulthess, F. Ndemah, R. Ngoko, Z.

Three surveys of maize fields were undertaken in 1993 in Cameroon, ranging from low to high altitudes, and from forests in the south with bimodal rainfall (two cropping seasons) to the northern savanna with monomodal rainfall distribution (one cropping season). Field conditions, insects and disea...

Enlace original: https://cgspace.cgiar.org/handle/10568/96036

Investigación en Agricultura
Enlace permanente
Cardwell, K.F. ,  Schulthess, F. ,  Ndemah, R. ,  Ngoko, Z. ,  [A systems approach to assess crop health and maize yield lossess due to pests and diseases in Cameroon] ,  A systems approach to assess crop health and maize yield lossess due to pests and diseases in Cameroon

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