Codling Moth Summit

WSU Extension Agriculture and Natural Resources (ANR) faculty and staff work at County Extension Offices and Research & Extension Centers across Washington. We actively engage with agricultural and natural resource stakeholders and industries, as well as the general public, to extend research-based information and conduct locally relevant applied research in the fields of agriculture and natural resource sciences. We provide a critical link between the research of WSU and the application of knowledge and technology by our state’s farmers, ranchers, resource managers, and related industries. Our faculty and staff lead and coordinate numerous conferences, workshops, field days and other events for stakeholders each year. We also develop peer-reviewed publications and educational products to further disseminate relevant information to our clientele—the residents of Washington state. Additionally, our faculty presents findings at national and international venues, demonstrating WSU leadership across multiple disciplines of agriculture and natural resource sciences.

WSU Extension

A long-term look at the biology, control, and treatment.

<h1>The Foundation. Control Tactics. The Apex </h1><h2>The Foundation:</h2><p>Knowing the fundamentals of codling moth biology, pheromone traps, and models is critical for implementing control tactics. The science must be understood to implement the practices and adjust controls.</p><ul><li><strong>Biology &amp; Ecology: </strong> A presentation of codling moth history, host ranges, reproduction, and the influence of temperature on development.</li></ul><ul><li><strong>The Decision Triad:</strong></li><ul><li><strong>Predictive Models: </strong>Models predict the expected development (phenology) of an insect, but do not always represent exact field populations. Interpretation of models will be discussed.</li><li><strong>Monitoring and Identification: </strong>Trap placement, density, and lure type are affected by the biology and dispersion of codling moth. Knowing how to interpret counts in relation to prior experience is key in pest management.</li><li><strong>Socioeconomic &amp; Orchard Management:</strong> Orchard pest management, like pruning and thinning, is expensive and conducted on viable blocks. Abandoned or neglected orchards can lead directly to high populations of codling moth infesting neighboring blocks.</li></ul></ul><p></p><h2>Control Tactics:</h2><p>Successful IPM programs integrate four pillars of control tactics and are flexible enough to adjust for seasonal changes in pest and beneficial insect populations. The most stable IPM programs take a multi-tactic approach, utilizing as many pillars of control as possible. IPM programs that don’t follow this strategy lead to programs that become inherently variable in performance.</p><ul><li><strong>Autocidal: </strong>Techniques that control insects by reducing their reproduction potential.</li><ul><li><strong>Mating disruption:</strong> History to current practices. Essential to an IPM program is understanding the different pheromone release techniques and their unique strengths and weaknesses used in mating disruption.</li><li><strong>SIR: The tales of two countries</strong> – Sterile Insect Release (SIR) programs have been used successfully under an areawide concept in other countries with different models for deployment.</li></ul></ul><ul><li><strong>Cultural Control:</strong> Orchard sanitation and proper bin management are examples of direct pest removal while netting and bagging fruit are exclusion tactics. Practicing even one of them will help reduce codling moth populations.</li></ul><ul><li><strong>Chemical: </strong>The success of codling moth chemical control is dependent upon rotation of products to avoid pesticide resistance, optimization of sprayers, and the planning of a robust spray program.</li><ul><li><strong>Resistance Management: </strong>Historically, the availability of different chemical choices has been driven by regulations and pesticide resistance. Understanding how the over use of chemical classes leads to the loss of products should be the foundation of a spray program</li><li><strong>How to build a spray program: </strong>Chemical choices are clear, but the challenge is how to build a spray program that incorporates “The Decision Triad” and takes advantage of the selectiveness (ovicides, larvicides) of new chemistries.</li><li><strong>Sprayers: </strong>Sprayer calibration and optimization per canopy architecture is achievable if it is prioritized by management and personnel understand the effect of air, nozzles, and rates on deposition.</li></ul></ul><blockquote></blockquote><h2>The Apex: IPM Roof</h2><p>Codling moth control is perpetual to avoid crop loss and outbreaks. Area wide management with all IPM tactics is critical with this highly mobile, multi-generational pest.</p><p></p><h3><a href="https://s3.wp.wsu.edu/uploads/sites/2071/2022/01/Codling-Moth-Draft-Agenda-1-13.pdf" target="_blank" data-msys-clicktrack="0" rel="nofollow noopener noreferrer">Agenda</a></h3><p></p><p></p>

<h3>For registration questions contact:  </h3><h3>WSU Extension</h3><h3>Email:  prosserext@co.benton.wa.us</h3><h3>Phone:  509-786-5609 or 509-788-5459</h3>

Extension programs and employment are available to all without discrimination.  Evidence of noncompliance may be reported through your local Extension office.  Reasonable accommodations will be made for persons with disabilities and special needs who contact the Benton County WSU Extension Office at 7102 W. Okanogan Pl., Suite 102, Kennewick, WA 99336 or by emailing wsuextension@co.benton.wa.us at least two weeks prior to an event.
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Codling Moth Summit

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