Determining the Risk Window for Aster Yellows in Carrot: New ...

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Part II: ALH development model A - Predictions of ALH development for the Midwest Couple temperature data and an ALH degree-day model with geostatistical methods to predict ALH lifestage for gridded points in the Midwest B – Large scale surface weather events C – Landscape quality D – Coupling these parts together...... Considerations for this project in the future
Part II: Temperature and ALH development J. O. Jensen 1982, Ph.D. Thesis Chapman was headed in this direction The rate of ALH development is constant above ~ 50 F This type of data allows for the transformation time to thermal time (i.e. from days to degreedays)
Page 1 and 2: Determining the Risk Window for Ast
Page 3 and 4: Factors Influencing Insect Pest Man
Page 5 and 6: Presentation Outline Goal - Sustain
Page 7 and 8: Aster yellows: in carrot Disease in
Page 9 and 10: Vector: Aster leafhopper (ALH) Adul
Page 11 and 12: Aster yellows management WI AY mana
Page 13 and 14: Research and project goal Advance o
Page 15 and 16: Part I: Research questions AYI = re
Page 17 and 18: Part I: variance component analysis
Page 19 and 20: Part I: detection of seasonal trend
Page 21 and 22: Seasonal trends: ALH infectivity Us
Page 23 and 24: Concurrence of AY risk “windows
Page 25: Research update Part I) Identify tr
Page 29 and 30: Latitude Part II: Thermal time mode
Page 31 and 32: Ongoing and future research We have
Page 33 and 34: Overall summary: refining the AYI A
Page 35: QUESTIONS

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