Effect of Silver Reflective Mulch and a Summer Squash Trap Crop on Densities of Immature Bemisia argentifolii (Homoptera: Aleyrodidae) on Organic Bean

Authors: Smith, Hugh Adam; Koenig, Rosalie Lynne; McAuslane, Heather Jane; McSorley, Robert

Source: Journal of Economic Entomology, Volume 93, Number 3, June 2000 , pp. 726-731(6)

Publisher: Entomological Society of America

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Abstract:

Polyethylene mulch with a reflective silver stripe and a yellow summer squash, Cucurbita pepo L., trap crop were tested alone and in combination as tactics to reduce densities of Bemisia argentifolii Bellows & Perring eggs and nymphs, and incidence of bean golden mosaic geminivirus on snap bean, Phaseolus vulgaris L. Egg densities were consistently higher on squash than on bean, but egg densities and virus incidence were not lower on bean grown with squash than on bean grown in monoculture. Silver reflective mulch reduced egg densities compared with bean grown on bare ground during the first week after crop emergence for 2 of the 3 yr that the study was conducted. However, egg suppression by silver mulch was not enhanced by the presence of a squash trap crop when both tactics were combined. The obstacles to suppressing B. argentifolii through the use of trap crops are discussed.

Keywords: cultural control; geminivirus; intercropping; pest management; polyculture; vector management

Document Type: Research Article

DOI: http://dx.doi.org/10.1603/0022-0493-93.3.726

Publication date: June 1, 2000

More about this publication?
  • Journal of Economic Entomology is published bimonthly in February, April, June, August, October, and December. The journal publishes articles on the economic significance of insects and is divided into the following sections: apiculture & social insects; arthropods in relation to plant disease; forum; insecticide resistance and resistance management; ecotoxicology; biological and microbial control; ecology and behavior; sampling and biostatistics; household and structural insects; medical entomology; molecular entomology; veterinary entomology; forest entomology; horticultural entomology; field and forage crops, and small grains; stored-product; commodity treatment and quarantine entomology; and plant resistance. In addition to research papers, Journal of Economic Entomology publishes Letters to the Editor, interpretive articles in a Forum section, Short Communications, Rapid Communications, and Book Reviews.
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