- Al Hamill
AGRICULTURE ET AGROALIMENTAIRE CANADA
- Ric Bessin
UNIVERSITY OF KENTUCKY
- Dave Bilyea
UNIVERSITÉ DE GUELPH, CAMPUS RIDGETOWN
- Mike Ellis
OHIO STATE UNIVERSITY
- Gerald Ghidiu
RUTGERS UNIVERSITY
- Krista Hamilton
DÉPARTEMENT DE L’AGRICULTURE - WISCONSIN
- Steve Loewen
UNIVERSITÉ DE GUELPH, CAMPUS RIDGETOWN
- Kelvin Lynch
MINISTÈRE DE L’AGRICULTURE ET DE L’AQUACULTURE DU NOUVEAU-BRUNSWICK
- Rob Nurse
AGRICULTURE ET AGROALIMENTAIRE CANADA
- Ron Pitblado
WEATHER INNOVATIONS INCORPORATED
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- BC MINISTRY OF AGRICULTURE AND LANDS
- Elizabeth Beers
ORCHARD PEST MANAGEMENT ONLINE, WASHINGTON STATE UNIVERSITY
- Joseph Berger
BUGWOOD.ORG
- David Boyd
CLEMSON UNIVERSITY
- Jennifer Bush
ENGAGEAGRO, GUELPH, ONTARIO
- D. Cheung
DKB DIGITAL DESIGNS
- John A. Cline
UNIVERSITY OF GUELPH
- Bernard Drouin
MINISTRY OF AGRICULTURE, FISHERIES, AND FOOD, QC
- Alan Eaton
UNIVERSITY OF NEW HAMPSHIRE COOP. EXTENSION
- D. Epstein
MICHIGAN STATE UNIVERSITY
- Deena Errampali
AGRICULTURE ET AGROALIMENTAIRE CANADA
- S.A. Marshall
SCHOOL OF ENVIRONMENTAL SCIENCES, UNIVERSITY OF GUELPH
- Hugh W. Fraser (à la retraite)
OMAFRA
- Dr. Mark Sosnowski and
Dr. Trevor Nicks
SOUTH AUSTRALIAN RESEARCH AND DEVELOPMENT INSTITUTE ADELAIDE SOUTH
AUSTRALIA
- Kathryn Hoshkiw
- Rufus Issacs
MICHIGAN STATE UNIVERSITY
- Steven Van Timmeren
MICHIGAN STATE UNIVERSITY
- Mark Chien
PENN STATE COOPERATIVE EXTENSION
- PURDUE EXTENSION ENTOMOLOGY
- Sheila Fitzpatrick
AGRICULTURE ET AGROALIMENTAIRE CANADA, AGASSIZ
- David Cappaert
MICHIGAN STATE UNIVERSITY
- Wayne Wilcox
CORNELL UNIVERSITY
- Geroge W. Sundin
MICHIGAN STATE UNIVERSITY
- Bruce Watt
UNIVERSITY OF MAINE
- Gerald Holmes
CALIFORNIA POLYTECHNIC STATE UNIVERSITY AT SAN LUIS OBISPO
- Sally Miller
OHIO STATE UNIVERSITY
- Florida Division of Plant Industry Archive
FLORIDA DEPARTMENT OF AGRICULTURE AND CONSUMER SERVICES
- William M. Brown Jr
COLORADO STATE UNIVERSITY
- J. Gavloski
MAFRD
- Russ Ottens
UNIVERSITY OF GEORGIA
- Ronald Smith
AUBURN UNIVERSITY
- Tom Klein
BUGGUIDE.NET
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COLORADO STATE UNIVERSITY
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BUGGUIDE.NET
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BUGGUIDE.NET
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UNIVERSITY OF NEBRASKA
- J. Bruss
UNIVERSITY OF MARYLAND
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UNIVERSITY OF FLORIDA
- J. Williamson
CLEMSON UNIVERSITY
- G. Brust
UNIVERSITY OF MARYLAND
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- Darren Robinson
UNIVERSITÉ DE GUELPH, CAMPUS RIDGETOWN
- Cynthia Rougour
UNIVERSITÉ DE GUELPH, CAMPUS SIMCOE
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UNIVERSITÉ DE GUELPH, CAMPUS RIDGETOWN
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UNIVERSITÉ DE GUELPH
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MICHIGAN STATE UNIVERSITY EXTENSION, MACOMB COUNTY
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UNIVERSITÉ DE KENTUCKY
- Jeffrey Tolman
AGRICULTURE ET AGROALIMENTAIRE CANADA
- Dave Wright
ENGAGE AGRO
- Thomas A. Zitter
CORNELL UNIVERSITY
- Gadoury, D.M., and MacHardy
1982. A model to estimate the maturity of ascospores of Venturia
inaequalis. Phytopathology 72:901-904
- Bradley Higbee
PARAMOUNT FARMING CO.
- INTERNATIONAL PLANT NUTRITION INSTITUTE
- Peter Jentsch
CORNELL UNIVERSITY, HUDSON VALLEY LABORATORY, NY
- Alex Molnar
AGRICULTURE ET AGROALIMENTAIRE CANADA, LONDON
- NRAES-75, Mid-Atlantic Orchard Monitoring Guide
EDITED BY DR. HENRY HOGMIRE
- NEW YORK STATE AGRICULTURAL EXPERIMENT STATION, GENEVA, NY
- Ian Scott
AGRICULTURE ET AGROALIMENTAIRE CANADAA, LONDON
- Rob Smith
RETIRED, AGRICULTURE ET AGROALIMENTAIRE CANADA, LONDON
- RM Trimble
AGRICULTURE ET AGROALIMENTAIRE CANADA, VINELAND
- Charles Vincent
AGRICULTURE ET AGROALIMENTAIRE CANADA, SAINT-JEAN-SUR-RICHELIEU,
QC
- Gordon Braun
AGRICULTURE ET AGROALIMENTAIRE CANADA, KENTVILLE, NOVA SCOTIA
- Lorraine P Berkett
UNIVERSITY OF VERMONT
- Jodi Creasap-Gee
CORNELL COOPERATIVE EXTENSION
- Tom Lowery
AGRICULTURE ET AGROALIMENTAIRE CANADA, SUMMERLAND
- Tyler Fox
MICHIGAN STATE UNIVERSITY
- Erin M. Lizotte
MICHIGAN STATE UNIVERSITY
- Dr. Michael Ellis
OHIO STATE UNIVERSITY
- Rick Dunst
CORNELL COOPERATIVE EXTENSION
DOUBLE A
- Antonia Guidotti
ROYAL ONTARIO MUSEUM
- S.A. Marshall
SCHOOL OF ENVIRONMENTAL SCIENCE, UNIVERSITY OF GUELPH
- Annie Sauvat
- BIll Shane
MICHIGAN STATE UNIVERSITY
- C. Trueman
UNIVERSITY OF GUELPH, RIDGETOWN CAMPUS
- M. Grabowski
UNIVERSITY OF MINNESOTA EXTENSION
- G. Bernon
USDA APHIS
- Susan Ellis
BUGWOOD.ORG
- David R. Lance
USDA APHIS PPQ
- Adam Sisson
IOWA STATE UNIVERSITY
- Sara Simpkins
BUGGUIDE.NET
- Graham Montgomery
BUGGUIDE.NET
- Herb Pilcher
USDA AGRICULTURAL RESEARCH SERVICE
- Megan Asche
BUGGUIDE.NET
- Jack Foreman
BUGGUIDE.NET
- Mary Ann Hansen
VIRGINIA POLYTECHNIC INSTITUTE AND STATE UNIVERSITY
- Clemson University - USDA Cooperative Extension
Slide Series
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UNIVERSITY OF KENTUCKY RESEARCH AND EDUCATION CENTER
- Elizabeth Bush
VIRGINIA POLYTECHNIC INSTITUTE AND STATE UNIVERSITY
- Edward Sikora
AUBURN UNIVERSITY
- Don Ferrin
LOUISIANA STATE UNIVERSITY AGRICULTURAL CENTER
- Emmanuel Epstein
UNIVERSITY OF CALIFORNIA
- Arnold Bloon
UNIVERSITY OF CALIFORNIA
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