Parasitism of noctuid stemborer eggs was assessed in monthly surveys in maize fields in southern Benin, from May 1995 to October 1996, and on alternative hosts, i.e. wild grasses, during the dry season from November 1995 to February 1996. Sesamia calamistis was the most prevalent stemborer specie...
Schulthess, F.
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Chabi-Olaye, A.
,
Goergen, Georg E.
,
[Seasonal fluctuations of noctuid stemborer egg parasitism in southern Benin with special reference to Sesamia calamistis Hampson (Lepidoptera:Noctuidae) and Telenomus spp (Hymenoptera:Scelionidae) on maize]
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Seasonal fluctuations of noctuid stemborer egg parasitism in southern Benin with special reference to Sesamia calamistis Hampson (Lepidoptera:Noctuidae) and Telenomus spp (Hymenoptera:Scelionidae) on maize
Maize infection by Aspergillus flavus Link and subsequent aflatoxin contamination as affected by insect damage to maize ears before harvest was studied with surveys in farmers' fields and in a field trial in the Republic of Benin, West Africa. The most important pest species was the lepidopteran ...
Setamou, M.
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Cardwell, K.
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Schulthess, F.
,
Hell, K.
,
[Effect of insect damage to maize ears, with special reference to Mussidia nigrivenella (Lepidoptera; Pyralidae), on Aspergillus flavus (Deuteromycetes; Monoliales) infection and alfatoxin production in maize before harvest in the Republic of Benin]
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Effect of insect damage to maize ears, with special reference to Mussidia nigrivenella (Lepidoptera; Pyralidae), on Aspergillus flavus (Deuteromycetes; Monoliales) infection and alfatoxin production in maize before harvest in the Republic of Benin
The spatial distribution of five lepidopterous pests, Sesamia calamistis Hampson (Noctuidae), Eldana saccharina Walker (Pyralidae), Spodoptera exempta (Walker) (Noctuidae), Mussidia nigrivenella (Ragonot) (Pyralidae), and Cryptophlebia leucotreta (Meyrick) (Tortricidae), on maize in West Africa i...
Schulthess, F.
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Bosque Pérez, N.A.
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Gounou, S.
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[Sampling lepidopterous pests on maize in West Africa]
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Sampling lepidopterous pests on maize in West Africa
The cassava mealybug (CM), Phenacoccus manihoti Mat.‐Ferr., is a dry season pest of cassava, Manihot esculenta Crantz. Its effects on the patterns of dry matter production and allocation in cassava planted July, September 1982 and May 1983 and grown for 12 months was studied. Peak CM population d...
Schulthess, F.
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Baumgaertner, J.U.
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Delucchi, V.
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Gutierrez, A.P
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[The influence of the cassava mealybug Phenacoccus manihoti Mat. Ferr. (Hom., Pseudococcidae) on yield formation of cassava, Manifhoti esculenta Crantz]
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The influence of the cassava mealybug Phenacoccus manihoti Mat. Ferr. (Hom., Pseudococcidae) on yield formation of cassava, Manifhoti esculenta Crantz
In West Africa, the most damaging lepidopteran pest of maize ears is the pyralid Mussidia nigrivenella. Although it is mostly described as a field pest, it can be found feeding on maize stored for up to 4 months. A survey was conducted in Benin in 2006 to assess M. nigrivenella infestations in di...
Agboka, K.
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Schulthess, F.
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Tamo, M.
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Hell, K.
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Vidal, S.
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[The importance of Mussidia nigrivenella ragonot (Lepidoptera: phralidae) as a postharvest pest in different storage structures in Benin]
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The importance of Mussidia nigrivenella ragonot (Lepidoptera: phralidae) as a postharvest pest in different storage structures in Benin
Bandyopadhyay, R.
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Cardwell, K.F.
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Ortega-Beltran, A.
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Schulthess, F.
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Meikle, W.
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Setamou, M.
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Cotty, P.J.
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[Identifying and managing plant health risks for key African crops: maize]
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Identifying and managing plant health risks for key African crops: maize
The pink stem borer (Sesamia calamistis Walker (Pyralidae)) and the sugarcane borer (Eldana saccharina Hampson (Noctuidae)) are among the most damaging pests of maize in West and Central Africa, a region where IITA invests considerable effort in improving productivity of maize-based systems. The ...
Ajala, S.
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Kling, J.
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Cardwell, K.
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Schulthess, F.
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Odiyi, A.
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[Progress in breeding for resistance to maize stem borers sesamia calamistis and Eldana saccharina in West and Central Africa]
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Progress in breeding for resistance to maize stem borers sesamia calamistis and Eldana saccharina in West and Central Africa