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

Albion Disease Report: Wetting events since 4/5 (Report issued 4/19/2024 11:25 )

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).

Time period assessed for wetting events: 3/4 to 4/19/2024. Events between 4/5 and 4/19/2024 shown.


Wet 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
1 Albion 4/3 3-4PM 4/5 7-8AM Wet: 32
Span: 41		 36.7 0.06 None None. No risk until first bract leaves have expanded. No risk until pre-bloom period
2 Albion 4/7 9-10PM 4/8 2-3AM Wet: 5
Span: 6		 44.5 0.04 None None No risk until pre-bloom period
3 Albion 4/8 1-2PM 4/8 1-2PM Wet: 1
Span: 1		 69.7 0.01 None None No risk until pre-bloom period
4 Albion 4/11 1-2AM 4/12 4-5PM Wet: 40
Span: 40		 47.2 1.19 Heavy (Symptoms appear: 5/1) Moderate No risk until pre-bloom period
5 Albion 4/17 2-3AM 4/18 3-4AM Wet: 17
Span: 26		 54.7 0.53 Moderate (Symptoms appear: 5/10) Low No risk until pre-bloom period
6 Albion 4/18 11PM - Midnight Ongoing. Last hour with moisture: 4/19 8-9AM Wet: 10
Span: 10		 47.8 0.38 None None No risk until pre-bloom period

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