Descubre y comparte nuestro conocimiento público

Se han encontrado 3 recursos

Resultados de búsqueda

Journal Article 2001-05

Autor: Chabi-Olaye, A. Schulthess, F. Poehling, H.M. Borgemeister, C.

This study aimed at an assessment of the potential of the egg parasitoid Telenomus isis (Polaszek) as a biological control agent of cereal stem borers. Therefore, the effects of temperature, host species, host age, and time of host deprivation on the development and the reproductive potential of ...

Enlace original: https://cgspace.cgiar.org/handle/10568/103411

Investigación en Agricultura
Enlace permanente
Chabi-Olaye, A. ,  Schulthess, F. ,  Poehling, H.M. ,  Borgemeister, C. ,  [Factors affecting the biology of Telenomus isis (Polaszek) (Hymenoptera : Scelionidae), an egg parasitoid of cereal stem borers in West Africa] ,  Factors affecting the biology of Telenomus isis (Polaszek) (Hymenoptera : Scelionidae), an egg parasitoid of cereal stem borers in West Africa
Journal Article 2001-12-01

Autor: Ndemah, R. Schulthess, F. Korie, S. Borgemeister, C. Cardwell, K.F.

Geographic distribution, relative importance, and effect of lepidopterous stem and ear borers on maize, Zea mays L., were studied in the humid forest and the mid-altitude zones of Cameroon from 1994 to 1997. Six villages were chosen in the forest zone and grouped into three blocks representing gr...

Enlace original: https://cgspace.cgiar.org/handle/10568/96581

Investigación en Agricultura
Enlace permanente
Ndemah, R. ,  Schulthess, F. ,  Korie, S. ,  Borgemeister, C. ,  Cardwell, K.F. ,  [Distribution, relative importance and effect of lepidopterous borers on maize yields in the forest zone and midaltitude of Cameroon] ,  Distribution, relative importance and effect of lepidopterous borers on maize yields in the forest zone and midaltitude of Cameroon
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

Selecciona los documentos para visualizarlos

Nombre del archivo Ver recurso
Marcar todos
Limpiar todo