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  • Michigan State University Extension
  • Michigan State University Ag Bio Research
  • Project GREEEN

Northwest Disease Report: Most recent wetting event (Report issued 3/28/2024 11:32 )

Wetting periods start with rainfall (at least 0.01 inch) and continue until the start of at least eight hours without moisture (rainfall, leaf wetness, high relative humidity). Wetting periods are classified as "ongoing" until eight consecutive dry hours have passed. After that, the official end of the wetting period is recorded (the start of the 8 hour dry period).

Station Start of wetting period End of wetting period Duration (Hrs.) Avg temp (F) Rainfall (in.) Apple Scab (leaf) Cherry Leaf Spot Grape Leaf Black Rot Time Period Assessed
Benzonia 3/25 10-11AM 3/27 Midnight-1AM Wet: 26
Span: 39
48.2 0.45 No risk until after green tip No risk until first bract leaves have expanded. No risk until pre-bloom period Most recent period shown: 3/21 11PM - Midnight to 3/28/2024 10-11AM
Charlevoix 3/26 4-5AM 3/27 2-3AM Wet: 13
Span: 23
45.5 0.27 No risk until after green tip No risk until first bract leaves have expanded. No risk until pre-bloom period Most recent period shown: 3/21 11PM - Midnight to 3/28/2024 10-11AM
East Leland 3/26 4-5AM 3/27 1-2AM Wet: 19
Span: 22
46.2 0.12 No risk until after green tip No risk until first bract leaves have expanded. No risk until pre-bloom period Most recent period shown: 3/21 11PM - Midnight to 3/28/2024 10-11AM
Eastport 3/26 4-5AM 3/27 1-2AM Wet: 13
Span: 22
46.1 0.42 No risk until after green tip No risk until first bract leaves have expanded. No risk until pre-bloom period Most recent period shown: 3/21 11PM - Midnight to 3/28/2024 10-11AM
Elk Rapids 3/26 4-5AM 3/27 3-4AM Wet: 20
Span: 24
46.3 0.48 No risk until after green tip No risk until first bract leaves have expanded. No risk until pre-bloom period Most recent period shown: 3/21 11PM - Midnight to 3/28/2024 10-11AM
Kewadin 3/26 4-5AM 3/27 10-11AM Wet: 28
Span: 31
43.5 0.27 Light (Symptoms appear: 5/14) No risk until first bract leaves have expanded. No risk until pre-bloom period Most recent period shown: 3/21 11PM - Midnight to 3/28/2024 10-11AM
Northport 3/26 9-10AM 3/27 Midnight-1AM Wet: 13
Span: 16
45.5 0.05 No risk until after green tip No risk until first bract leaves have expanded. No risk until pre-bloom period Most recent period shown: 3/21 11PM - Midnight to 3/28/2024 10-11AM
Old Mission 3/26 4-5AM 3/27 Midnight-1AM Wet: 12
Span: 21
48.2 0.38 No risk until after green tip No risk until first bract leaves have expanded. No risk until pre-bloom period Most recent period shown: 3/21 11PM - Midnight to 3/28/2024 10-11AM
Onekama Twp / Bear Lake 3/25 8-9AM 3/27 11PM - Midnight Wet: 27
Span: 40
45.8 0.46 No risk until after green tip No risk until first bract leaves have expanded. No risk until pre-bloom period Most recent period shown: 3/21 11PM - Midnight to 3/28/2024 10-11AM
Petoskey 3/26 5-6AM 3/26 6-7PM Wet: 6
Span: 14
48.4 0.22 No risk until after green tip No risk until first bract leaves have expanded. No risk until pre-bloom period Most recent period shown: 3/21 11PM - Midnight to 3/28/2024 10-11AM
Petoskey (NCMC) 3/26 5-6AM 3/26 8-9PM Wet: 10
Span: 16
49.7 0.28 No risk until after green tip No risk until first bract leaves have expanded. No risk until pre-bloom period Most recent period shown: 3/21 11PM - Midnight to 3/28/2024 10-11AM
Traverse City (NWMHRS) 3/26 9-10AM 3/27 1-2AM Wet: 13
Span: 17
46.3 0.21 No risk until after green tip No risk until first bract leaves have expanded. No risk until pre-bloom period Most recent period shown: 3/21 11PM - Midnight to 3/28/2024 10-11AM
Williamsburg 20m Tower 3/26 4-5AM 3/27 2-3AM Wet: 15
Span: 23
47 0.5 No risk until after green tip No risk until first bract leaves have expanded. No risk until pre-bloom period Most recent period shown: 3/21 11PM - Midnight to 3/28/2024 10-11AM