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| Titel: |
Analysis of population dynamics of diamondback moth, (Plutella xylostella (Lepidoptera: Plutellidae)) at two sites in central Ethiopia, with particular reference to parasitism |
| Auteur: |
Ayalew, Gashawbeza Baumgartner, Johan Ogol, K. P. O. Callistus Lohr, Bernhard |
| Verschenen in: |
Biocontrol science and technology |
| Paginering: | Jaargang 16 (2006) nr. 6 pagina's 607-618 |
| Jaar: |
2006-06-01 |
| Inhoud: |
Change in diamondback moth (DBM) (Plutella xylostella L.) numbers and level of parasitism on head cabbage (Brassica oleracea var. capitata) was monitored for two seasons in two different agroecological zones representing the highland and lowland brassica-producing areas of central Ethiopia in 2001 and 2002. Two to three generations in the highland site and three to five generations in the lowland site per cabbage growing season were observed. Three parasitoids were recorded at both locations. These were Oomyzus sokolowskii (Kurdjumov) (Hymenoptera: Eulophidae), Diadegma sp. (Hymenoptera: Ichneumonidae), and Apanteles sp. (Hymenoptera: Braconidae). Diadegma sp. was the dominant parasitoid at the highland site and O. sokolowskii was dominant at the lowland site. Rainfall and maximum temperature significantly influenced DBM numbers and parasitoid activity at the highland experimental site. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
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