Tolerance of lucerne varieties to Apion seniculus Kirby (Coleoptera: Curculionidae)

During the 2007-2009 period in IFC, Pleven (Bulgaria) a field trial was carried out with the purpose of studying the tolerance of 8 lucerne varieties to attack by Apion seniculus Kirby. It was found that the attack of weevil was the strongest at primary growth. The damaged plants vari
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