Revising the Aster Yellows Index and Management in Wisconsin

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Aster Leafhopper Management AYI Thresholds ‣ Estimated AYI values exceed established crop resistance levels: Carrots (resistant = 100, intermediate = 75, susceptible = 50) Celery = 35 Lettuce = 25 Need to protect carrot crop from ALH for 8-10 weeks At-plant ($12-18/A) Seed / In-furrow Foliar ($12-14/A) Pyrethroids Planting Aster leafhopper Carrot Crop Harvest 15-Mar 14-Apr 14-May 13-Jun 13-Jul 12-Aug 11-Sep 11-Oct
Novel, Reduced-Risk, Carrot Seed Treatment Programs Northern root-knot nematode (NRKN); Meloidogyne hapla http://vegetablemdonline.ppath.cornell.edu/factsheets/RootKnotNematode.htm
Page 1 and 2: Revising the Aster Yellows Index an
Page 3 and 4: Factors Influencing Insect Pest Man
Page 5 and 6: Presentation Outline Goal - Sustain
Page 7 and 8: Aster yellows phytoplasma (AYp), Ca
Page 9 and 10: Aster leafhopper migratory behavior
Page 11 and 12: Aster yellows management: controlli
Page 13 and 14: Presentation Outline Goal - Sustain
Page 15 and 16: Evaluating variability associated w
Page 17 and 18: Detection of seasonal trends in AY
Page 19 and 20: Seasonal trends: ALH infectivity Us
Page 21 and 22: Concurrence of AY “risk windows
Page 23 and 24: Next Steps - 2011: Using informatio
Page 25: Reduced Risk In-Furrow and Seed Tre
Page 29 and 30: Overall summary: refining the AYI A
Page 31: QUESTIONS

Revising the Aster Yellows Index and Management in Wisconsin

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