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| Titel: |
Field Evaluation of Selected Formulations of Beauveria bassiana for the Management of the Banana Weevil ( Cosmopolites sordidus ) on Plantain ( Musa spp., AAB Group) |
| Auteur: |
Godonou, I. Green, K. R. Oduro, K. A. Lomer, C. J. Afreh-Nuamah, K. |
| Verschenen in: |
Biocontrol science and technology |
| Paginering: | Jaargang 10 (2000) nr. 6 pagina's 779-788 |
| Jaar: |
2000-12-01 |
| Inhoud: |
Field experiments were undertaken to determine the efficacy of two formulations of Beauveria bassiana isolate IMI331094 against the banana weevil, Cosmopolites sordidus . Oil palm kernel cake-based formulation of conidia (OPKC-C) and conidial powder (CP) were applied to the planting holes and suckers. After artificial weevil release, OPKC-C and CP gave the same high level of weevil mortality (75%) compared with only 1% in the untreated control. Under natural levels of weevil infestation, 42% of weevils collected from suckers treated with OPKC-C died compared with 6% and 3% weevil mortality for CP and the untreated control, respectively. None of the suckers treated with OPKC-C died during the study period (60 days) while 17% and 19% of suckers from the CP treatment and the untreated control respectively, were killed. A study on the spread of fungal conidia using artificially infected and non-infected adult weevils showed a possible dissemination of B. bassiana conidia from infected weevils up to 18 m from the release point. On the basis of these results, the isolate IMI330194 of B. bassiana could clearly play a key role in the management of C. sordidus adults on plantain. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 5 van 7 gevonden artikelen
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