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ONLINE IPM DECISION SUPPORT TOOLS FOR COOL-SEASON LEGUME GROWERS

Extension Education

Lydia Clayton
Horticulture and Small Farms Extension Educator
University of Idaho Extension
Moscow

Abstract

\r\n North Idaho and adjoining eastern Washington are well suited for dry pea and lentil production.  Infestations of pea aphid (Acyrthosiphon pisum) and viruses they vector, Pea enation mosaic virus (PEMV) and ,Bean leaf roll virus (BLRV), routinely reduce pea crop yield quantity and quality if not managed.  The Legume Virus Project was competitively funded by the Risk Assessment and Mitigation Program (RAMP, USDA NIFA) to advance the practice of pest management among dry pea producers in our region.  Four years of research within a five-county area of Idaho and Washington will be delivered to growers during 2012 through interactive online IPM decision tools (AphidTracker, www.cals.uidaho.edu/aphidtracker) that allow users to calculate the economic benefits of three seasonal pest management tactics.  The seed treatment calculator helps growers decide if they should plant dry pea seed treated with insecticides to protect fields from the colonization by viruliferous aphids.  The early season calculator assists growers with subsequent decisions regarding additional foliar-applied insecticides and whether they are justified to limit virus spread during the first month of crop growth.  The economic injury level calculator advises growers about numbers of non-viruliferous aphids that cause crop losses during the reproductive stages of crop growth; it gives recommendations stated in three units:  numbers of aphids per plant, numbers of aphid per sweepnet sample, and percentage plants infested with aphids.   User feedback during this pilot delivery year will be used to revise our calculators and enhance utility to growers and their pest management advisors.

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Poster has NOT been presented at any previous NACAA AM/PIC

This poster is being submitted for judging. It will be displayed at the AM/PIC if not selected as a State winner. The abstract will be published in the proceedings.

A poster file has not been provided

Authors: L.A. Clayton, E. J. Bechinski, S. D. Eigenbrode, D. Husebye, A. Karasev, D. Roberts, B.S. Stokes, T. Young
  1. Clayton, L. Extension Educator, University of Idaho Extension, Idaho, 83501
  2. Bechinski, E. Professor of Entomology and Extension IPM Coordinator, Department of Plant, Soil and Entomological Sciences, University of Idaho, Idaho, 83844
  3. Eigenbrode, S. Professor of Entomology and Chemical Ecology, Department of Plant, Soil and Entomological Sciences, University of Idaho, Idaho, 83844
  4. Husebye, D. Graduate Research Assistant, Department of Plant, Soil and Entomological Sciences, University of Idaho, Idaho, 83844
  5. Karasev, A. Associate Professor of Plant Virology, Department of Plant, Soil and Entomological Sciences, University of Idaho, Idaho, 83844
  6. Roberts, D. Area Extension Educator, Washington State University Extension, Washington, 99202
  7. Stokes, B. Graduate Research Assistant, Department of Plant, Soil and Entomological Sciences, University of Idaho, Idaho, 83844
  8. Young, T. Internet Applications Specialist, Educational Communications, College of Agriculture and Life Sciences, University of Idaho, Idaho, 83844