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Document Type

Peer-Review Article

Abstract

Root injury and midsummer adult abundance of clover root curculio (CRC), Sitona hispidulus (Fabricius), was surveyed in 24 different aged southeastern Minnesota alfalfa fields. CRC presence was not detected in first year fields 2-3 months following stand establishment. Increased root scarring was observed as stand age increased and most fields 3-5 years old showed heavy CRC root scarring. High CRC adult popUlations and widespread root scarring was found in second year alfalfa fields which suggests that CRC is a mobile insect capable of rapidly colonizing new plantings.

Included in

Entomology Commons

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