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Journal Article 1997

Autor: Thomas, M.B. Langewald, J. Wood, S.N.

A field trial was conducted to investigate the efficacy of an oil formulation of the fungal entomopathogen, Metarhizium flavoviride, for control of the variegated grasshopper, Zonocerus variegatus. The results of the trial showed a significant reduction in grasshopper populations following spray ...

Enlace original: https://cgspace.cgiar.org/handle/10568/98609

Investigación en Agricultura
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Thomas, M.B. ,  Langewald, J. ,  Wood, S.N. ,  [Evaluating the effects of a biopesticide on populations of the variegated grasshopper, Zonocerus variegatus] ,  Evaluating the effects of a biopesticide on populations of the variegated grasshopper, Zonocerus variegatus
Journal Article 2000

Autor: Blanford, S. Thomas, M.B. Langewald, J.

1 Thermal behaviour of the variegated grasshopper, Zonocerus variegatus, was investigated in the humid tropical zone of southern Benin, west Africa, in the dry seasons of 1996 and 1998. In 1998, investigations included studies of a population of grasshoppers sprayed with an oil‐based formulation ...

Enlace original: https://cgspace.cgiar.org/handle/10568/99840

Investigación en Agricultura
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Blanford, S. ,  Thomas, M.B. ,  Langewald, J. ,  [Thermal ecology of Zonocerus variegatus and its effect on biocontrol using pathogens] ,  Thermal ecology of Zonocerus variegatus and its effect on biocontrol using pathogens
Journal Article 2000

Autor: Langewald, J. Cherry, A.

The prospects for development of microbial control in West Africa are bright, with many stakeholders in plant protection both within and beyond the region becoming increasingly interested. To date however, on the West African market, there are only two microbial products available, and many oppor...

Enlace original: https://cgspace.cgiar.org/handle/10568/99873

Investigación en Agricultura
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Langewald, J. ,  Cherry, A. ,  [Prospects for microbial control in West Africa] ,  Prospects for microbial control in West Africa
Journal Article 2001-01

Autor: Lomer, C.J. Bateman, R.P. Johnson, D.L. Langewald, J. Thomas, M.

Control of grasshoppers and locusts has traditionally relied on synthetic insecticides, and for emergency situations this is unlikely to change. However, a growing awareness of the environmental issues associated with acridid control as well as the high costs of emergency control are expanding th...

Enlace original: https://cgspace.cgiar.org/handle/10568/97194

Investigación en Agricultura
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Lomer, C.J. ,  Bateman, R.P. ,  Johnson, D.L. ,  Langewald, J. ,  Thomas, M. ,  [Biological control of locusts and grasshoppers] ,  Biological control of locusts and grasshoppers

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