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  • Michigan State University Ag Bio Research
  • Project Greeen

Hickory Corners (KBS) Tart Cherry Plum Curculio Assist Chart Assist Chart (Report issued 8/21/2014 12:00 )

2014Temperature(F)Degree Days Base 50 FBiofix Date (Full bloom)
DayDateMaxMinAvgTodaySince 3/17/147/167/187/207/227/247/267/287/308/18/38/58/78/98/118/138/158/178/19
Sat8/1680.549.56515178955252350247242938936132230127323619515612183512500
Sun8/1774.466.170.22018095725435224924504103813423212932562151761411037145200
Mon8/1882.660.571.52218315935655435134714314023643433152772371981621259266420
Tue8/1980.862.971.9221853615587565535493453424386365336299259220184146114886422
Wed8/2080.862.271.52218746376085875575154754464073863583212802412061681361108543
Today's data:
2014Temperature(F)Degree Days Base 50 FBiofix Date (Full bloom)
DayDateMaxMinAvgTodaySince 3/17/147/167/187/207/227/247/267/287/308/18/38/58/78/98/118/138/158/178/19
Thu8/21Forecast: 86Actual (6:05-6:10AM): 63.474.725189966163361158153949947143241138334630526623019316113511068
Forecast data:
2014Temperature(F)Degree Days Base 50 FBiofix Date (Full bloom)
DayDateMaxMinAvgTodaySince 3/17/147/167/187/207/227/247/267/287/308/18/38/58/78/98/118/138/158/178/19
Fri8/22897079.530192869166364161156952950046144041237533429626022219016413998
Sat8/23897180301958721693671641599559530491470442405364326290252220194169128
Sun8/24896979291987750722700670628588559520499471434393355319281249223198157
Mon8/25897079.5302017779751729699657617589550529501464423384348311279253228186
Tue8/26876877.5282044807779757727685645616577556528491450412376338306280255214
Wed8/278668772720717/14 - 8/277/16 - 8/277/18 - 8/277/20 - 8/277/22 - 8/277/24 - 8/277/26 - 8/277/28 - 8/277/30 - 8/278/1 - 8/278/3 - 8/278/5 - 8/278/7 - 8/278/9 - 8/278/11 - 8/278/13 - 8/278/15 - 8/278/17 - 8/278/19 - 8/27
Directions:

Locate the Biofix Date (date of full bloom) on the top row. Follow that column down to determine the Base 50F Growing Degree Days (GDD) that have accumulated between the biofix date and the date listed at the left side of that row. Note that forecast data is provided (where available) to help with planning in the near-term. Control is recommended at 375 GDD from the biofix date. Repeat for additional blocks that bloomed on a different date.

MSU Tart Cherry Postponed Insecticide Treatment Strategy (P.I.T.S.) for Plum Curculio:
  • Use date of full bloom as biofix date.
  • Time control for 375 degree days (base 50F) from the biofix date.
  • This model is not recommended for growers that are not intensively scouting their orchards.