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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 4/19/2024 6:54 )

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 4/18 8-9PM Ongoing. Last hour with moisture: 4/19 4-5AM Wet: 9
Span: 9
43.5 0.03 None None No risk until pre-bloom period Most recent period shown: 4/12 11PM - Midnight to 4/19/2024 10-11AM
Charlevoix 4/19 2-3AM Ongoing. Last hour with moisture: 4/19 5-6AM Wet: 4
Span: 4
42.7 0.03 None None No risk until pre-bloom period Most recent period shown: 4/12 11PM - Midnight to 4/19/2024 10-11AM
East Leland 4/19 1-2AM Ongoing. Last hour with moisture: 4/19 5-6AM Wet: 5
Span: 5
43.7 0.01 None None No risk until pre-bloom period Most recent period shown: 4/12 11PM - Midnight to 4/19/2024 10-11AM
Eastport 4/19 2-3AM Ongoing. Last hour with moisture: 4/19 5-6AM Wet: 4
Span: 4
42.4 0.01 None None No risk until pre-bloom period Most recent period shown: 4/12 11PM - Midnight to 4/19/2024 10-11AM
Elk Rapids 4/18 9-10PM Ongoing. Last hour with moisture: 4/19 5-6AM Wet: 9
Span: 9
44.8 0.03 None None No risk until pre-bloom period Most recent period shown: 4/12 11PM - Midnight to 4/19/2024 10-11AM
Kewadin 4/18 8-9PM Ongoing. Last hour with moisture: 4/19 5-6AM Wet: 10
Span: 10
44.9 0.02 None No risk until first bract leaves have expanded. No risk until pre-bloom period Most recent period shown: 4/12 11PM - Midnight to 4/19/2024 10-11AM
Northport 4/16 11PM - Midnight 4/18 8-9AM Wet: 28
Span: 34
45.1 0.42 Moderate (Symptoms appear: 5/25) None No risk until pre-bloom period Most recent period shown: 4/12 11PM - Midnight to 4/19/2024 10-11AM
Old Mission 4/18 9-10PM Ongoing. Last hour with moisture: 4/19 4-5AM Wet: 5
Span: 8
44.4 0.02 None None No risk until pre-bloom period Most recent period shown: 4/12 11PM - Midnight to 4/19/2024 10-11AM
Onekama Twp / Bear Lake 4/18 8-9PM Ongoing. Last hour with moisture: 4/19 3-4AM Wet: 8
Span: 8
41.4 0.06 None None No risk until pre-bloom period Most recent period shown: 4/12 11PM - Midnight to 4/19/2024 10-11AM
Petoskey 4/17 Midnight-1AM 4/18 7-8AM Wet: 22
Span: 32
44 0.4 Light (Symptoms appear: 5/23) None No risk until pre-bloom period Most recent period shown: 4/12 11PM - Midnight to 4/19/2024 10-11AM
Petoskey (NCMC) 4/17 Midnight-1AM 4/18 8-9AM Wet: 23
Span: 33
44.6 0.41 Light (Symptoms appear: 5/26) None No risk until pre-bloom period Most recent period shown: 4/12 11PM - Midnight to 4/19/2024 10-11AM
Traverse City (NWMHRS) 4/18 9-10PM Ongoing. Last hour with moisture: 4/19 3-4AM Wet: 6
Span: 7
44.4 0.01 None None No risk until pre-bloom period Most recent period shown: 4/12 11PM - Midnight to 4/19/2024 10-11AM
Williamsburg 20m Tower 4/18 8-9PM Ongoing. Last hour with moisture: 4/19 5-6AM Wet: 10
Span: 10
44.2 0.05 None None No risk until pre-bloom period Most recent period shown: 4/12 11PM - Midnight to 4/19/2024 10-11AM