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Agriculture & Food, Volume 2, 2014

MIGRATION OF WEEVILS (CEUTORHYNCHUS SPP.) IN WINTER AND SPRING OILSEED RAPE IN LITHUANIA
Birutė Vaitelytė, Eglė Petraitienė, Remigijus Šmatas, Vaclovas Makūnas
Pages: 55-61
Published: 1 Jun 2014
Views: 1964
Downloads: 717
Abstract: Species diversity of weevils (Ceutorhynchus spp.) and their migration activity in winter and spring rape crops were studied in Lithuanian during 2007–2012. The abundance and migration activity of weevils (Ceutorhynchus spp.) was much higher in winter oilsed rape than in spring oilseed rape. In winter and spring rape there were found six Ceutorhynchus species: C. erysimi, C. obstrictus, C. pallidactylus, C. rapae, C. sulcicollis and C. typhae. Both in winter and spring oilseed rape the following three Ceutorhynchus species prevailed: C. obstrictus C. pallidactylus and C. Typhae, they accounted for 82.3 –98.2% of the total individuals identified in winter oilseed rape and for 92.2 –100% in spring oilseed rape.
Keywords: ceutorhynchus spp., winter and spring oilseed rape
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