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2012 - Washington Red Raspberry Commission

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2013 WASHINGTON RED RASPBERRY COMMISSION<br />

RESEARCH PROPOSAL<br />

New Project Proposal<br />

Proposed Duration: 2 years<br />

Project Title: Fine-tuning Vydate applications in red raspberry for Pratylenchus penetrans<br />

control<br />

PI: Inga Zasada<br />

Organization: USDA-ARS Horticultural Crops Research Laboratory<br />

Title: Research Plant Pathologist<br />

Phone: (541)738-4051<br />

Email: inga.zasada@ars.usda.gov<br />

Address: 3420 NW Orchard Ave.<br />

City/State/Zip: Corvallis, OR 97330<br />

Co-PI: Thomas Walters<br />

Organization: WSU-Mount Vernon NWREC<br />

Title: Assistant Horticulturalist<br />

Phone: (360)848-6124<br />

Email: twwalters@wsu.edu<br />

Address: 16650 State Route 536<br />

City/State/Zip: Mount Vernon, WA 98273<br />

Cooperator: Norm McKinley, Dupont<br />

Year Initiated___2013___ Current Year____<strong>2012</strong>____ Terminating Year___2014___<br />

Other sources of funding: Dupont funded the <strong>2012</strong> Vydate trail described in the Justification<br />

and Background section of this proposal - $5,840.<br />

Agency Name: None<br />

Amt. Requested/Awarded: None<br />

Notes: None<br />

Description:<br />

Recently, Vydate (oxamyl) was registered for use on non-bearing raspberry for the control of<br />

plant-parasitic nematodes in <strong>Washington</strong>, specifically the root lesion nematode, Pratylenchus<br />

penetrans. This means that Vydate can be applied to red raspberry at least 12 months prior to a<br />

harvest (EPA SLN No. WA-120005). This is an important addition to the raspberry growers’<br />

nematode management toolbox, and being able to maximize the efficacy of this product should<br />

provide growers with another way to control nematodes. Pratylenchus penetrans attacks the<br />

roots of raspberry and slowly causes feeder roots to die, limiting the capacity of the plant to<br />

uptake water and nutrients resulting in decline. If P. penetrans is not managed it can result in the<br />

reduced lifespan of a raspberry planting. We propose to conduct on-farm field trials to determine<br />

the best time in the spring after planting to apply Vydate to maximize nematode control. This<br />

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