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United States Department of Agriculture

Agricultural Research Service

Research Project: Insect Ecology and Sustainable Systems for Insect Pest Management in the Southeastern Region

Location: Crop Protection and Management Research

Title: Milkweed, stink bugs, and Georgia cotton

Author
item Tillman, Patricia

Submitted to: Book Chapter
Publication Type: Book / Chapter
Publication Acceptance Date: February 4, 2013
Publication Date: November 1, 2014
Citation: Tillman, P.G. 2014. Milkweed, stink bugs, and Georgia cotton. pp.28-29. In ed. D. Burns (ed.), Farming with Native Beneficial Insects. The Xerces Society, Storey Publishing, Norht Adams, MA.

Technical Abstract: In peanut-cotton farmscapes in Georgia, stink bugs, i.e., Nezara viridula (L.)(Say) and Chinavia hilaris (Say), develop in peanut and then disperse at the crop-to-crop interface to feed on fruit in cotton. The main objective of this study was to examine the influence of a habitat of tropical milkweed (Asclepias curassavica L.) on biological control of stink bugs in cotton bordered by peanut. Pest density and parasitism rates were monitored in replicated cotton plots with or without milkweed habitats (25 potted flowering plants per plot) in 2009 and 2010. The milkweed habitat increased host parasitism by Trichopoda pennipes (F.) both years. In the first year of the study, there was some indication that this sole management strategy can help maintain stink bugs below economic threshold in this crop. Complimentary management strategies, though, may also need to be incorporated to continually suppress these pests below economically damaging levels throughout the growing season in these farmscapes

Last Modified: 11/28/2014
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