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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
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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 1992

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

Rhopalosiphum maidis (Fitch) dominated the aerial aphid plankton in bean (Phaseolus vulgaris L.) monocultures and mixed cultures of bean with corn (Zea mays L.) in Illinois. It was also the most common species landing on bean plants in this study during the summer of 1987. More flight activity wa...

Enlace original: https://cgspace.cgiar.org/handle/10568/100023

Investigación en Agricultura
Enlace permanente
Bottenberg, H. ,  Irwin, M.E. ,  [Flight and landing activity of Rhopalosiphum maidis (Homoptera: Aphididae) in bean monocultures and beancorn mixtures] ,  Flight and landing activity of Rhopalosiphum maidis (Homoptera: Aphididae) in bean monocultures and beancorn mixtures
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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