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, literature on the efficacy of IPM and biological control in high tunnels is limited. This article provides a selective overview of IPM measures that have proven efficacious in greenhouse and high tunnel production, or are likely to perform well in high

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49 COLLOQUIUM 2 (Abstr. 006–011) Biological Control Approaches for Successful Stand Establishment

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Biological Control of Plant Diseases. S.B. Chincholkar and K.G. Mukerji (eds.). 2007. The Haworth Press, Inc., Binghamton, NY. 426 pp. plus index; 17 tables and 26 black-and-white photographs and illustrations; 6-inch × 8.35-inch format. ISBN

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Abbreviations: PB, pine bark. 1 Former Graduate Research Assistant. Current address: USDA-ARS, Root Disease and Biological Control Research Unit, 367 Johnson Hall, Washington State Univ., Pullman, WA 99164-6430. 2 Professor. This research was

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30 Workshop 1 (Abstr. 653–655) Efficacy of Biological Controls for Enhancement of Stand Establishment

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ability to survive in the soil for many years and are very difficult to control ( Bost, 2006 ; Bost et al., 2013 ). Biological control agents (BCAs) can be helpful in decreasing the soil inoculum potential of soilborne pathogens and therefore improve soil

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. Chlorothalonil (2 kg a.i./ha) and AzP (0.4 kg a.i./ha) were considered quarter label rate. Biological control agents were BS formulated as Rhapsody SC; EO clove oil + wintergreen oil + thyme oil formulated as Paradigm L; extract of RS formulated as Regalia L; and

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inhabit the underside of leaves, they can go undetected until populations are already causing damage. Therefore, growers traditionally rely on preventative applications of miticides to avoid TSM problems. Biological control offers an alternative for

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edible crops (24%) and non-edible crops (13.5%). In a separate study, consumers were willing to spend up to $485 annually for the protection of eucalyptus species in the landscape with biological control pest management practices from the eucalyptus snout

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In recent years, the tomato russet mite (TRM) [Aculops lycopersici (Acarina: Eriophyidae)] has become one of the more important pests of greenhouse tomatoes in northeastern North America. As a first step toward developing a biological control strategy for the TRM, our objective has been to test the potential of already commercialized mite predators. In laboratory experiments, voracity of Chrysopa carnea (Neuroptera: Chrysopidae), Phytoseiulus persimilis (Acarina: Phytoseiidae), and Amblyseius cucumeris (Acarina: Phytoseiidae) was determined for egg, immature, and adult stages of the TRM. The first two predator species did not prey on TRM, whereas A. cucumeris fed on each of the life stages of the eriophyid mite. Further experiments showed that A. cucumeris was able to develop and reproduce when feeding on TRM. Implication of these results for controlling TRM in greenhouses is discussed with respect to predator specificity and prey suitability.

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