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Journal Article 1992

Autor: Bottenberg, H. Irwin, M.E.

Aphid landing rates were monitored with horizontal mosaic green pan traps in monocultures of soybean, Glycine max (L.) Merrill, and in additive mixtures of soybean with dwarf or tall isolines of sorghum, Sorghum bicolor (L.) Moench. Rhopalosiphum maidis (Fitch) colonized sorghum whorls and was th...

Enlace original: https://cgspace.cgiar.org/handle/10568/100024

Investigación en Agricultura
Enlace permanente
Bottenberg, H. ,  Irwin, M.E. ,  [Canopy structure in soybean monocultures and soybeansorghum mixtures: impact on aphid (Homoptera: Aphididae) landing rates] ,  Canopy structure in soybean monocultures and soybeansorghum mixtures: impact on aphid (Homoptera: Aphididae) landing rates
Journal Article 1995

Autor: Bottenberg, H.

Farmers of rainfed cowpea/groundnut/millet/sorghum cropping systems in Kano, Nigeria, ranked arthropods as the major production constraint in cowpea and groundnut in 1991 and 1992. At least 25% of the farmers also reported severe infestations by Striga gesneroides a parasitic weed of cowpea. Drou...

Enlace original: https://cgspace.cgiar.org/handle/10568/101052

Investigación en Agricultura
Enlace permanente
Bottenberg, H. ,  [Farmers perceptions of crop pests and pest control practices in rainfed cowpea cropping systems in Kano, Nigeria] ,  Farmers perceptions of crop pests and pest control practices in rainfed cowpea cropping systems in Kano, Nigeria

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