Potential of entomopathogenic fungi for the control of Macrotermes subhyalinus (Isoptera: Termitidae) [Elektronische Ressource] / von Haimanot Abebe

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2002

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161

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2002

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Potential of entomopathogenic fungi for the control of Macrotermes subhyalinus (Isoptera: Termitidae) Dem Fachbereich Gartenbau der Universit t Hannover zur Erlangung des akademischen Grades eines Doktors der Gartenbauwissenschaften -Dr. rer.hort.- genehmigte Dissertation von Haimanot Abebe, M.Sc. geboren am 08. M rz 1957 in ˜thiopien 2002 Referent: PD. Dr. Christian Borgemeister Korreferent: Dr. Jurgen Langewald Tag der Promotion 12.12.2002 i Abstract In Ethiopia, particularly in Eastern and Western Wellega, termites pose a serious threat to agricultural and horticultural crops, forestry trees, rangeland and wooden structures. Macrotermes subhyalinus Rambur (Isoptera: Termitidae) is the dominant termite species of these areas. The potential of the two entomogenous fungi Metarhizium anisopliae (Metsch.) Sorok. and Beauveria bassiana (Bals.) (both Hyphomycetes) for the control of M. subhyalinus is evaluated. A total of 120 samples of soil, insect cadavers that might have died because of a pathogen infection and termite-associated materials from outer and inner parts of termite mounds were collected in Zeway Eastern Shoa zone, Mendi and Gimbi in the Western Wellega zone in the Oromia regional state. Only a single M. anisopliae and one B. bassiana isolates were obtained from termite cadavers and termite mound material. These two isolates, two other M. anisopliae and three B. bassiana isolates from Ethiopia, nine M.
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Publié le

01 janvier 2002

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English

Poids de l'ouvrage

4 Mo

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