Plum curculio protection period

Background Information for this page
Return to radar list for Monmouth ME
   Need for protection against plum curculio egglaying begins around fruit set. 
    A final plum curculio insecticide application on Friday, June 24 is expected to give adequate protection until the end of the immigration period on Tuesday, June 28 (indicated by yellow highlight).
If using Surround deterrent, rough estimate for decline in plum curculio egglaying is Monday, July 11.
Weather data for Monmouth ME.  Forecast values begin September 20, 2011
95% McIntosh Petal Fall estimated or reported as:  May 30,  Monday
Full-dose
Plum Curculio insecticide
application date
PC degree days accumulated on spray date Inches
Rain
Estimated
end of protection
Percent of
PC control period
(& PC degree days)
completed by end of protection
Mon, May 30   95% McIntosh
Petal Fall
0.32 June 9, Thu 37%   (115) 
Tue, May 31   14 0 June 10, Fri 42%   (131) 
Wed, June 1   29 0.44 June 11, Sat 45%   (137) 
Thu, June 2   38 0 June 12, Sun 45%   (138) 
Fri, June 3   42 0 June 13, Mon 46%   (143) 
Sat, June 4   47 0 June 14, Tue 47%   (145) 
Sun, June 5   54 0 June 14, Tue 47%   (145) 
Mon, June 6   66 0 June 14, Tue 47%   (145) 
Tue, June 7   78 0 June 14, Tue 47%   (145) 
Wed, June 8   94 0 June 14, Tue 47%   (145) 
Thu, June 9   115 1.11 June 14, Tue 47%   (145) 
Fri, June 10   131 0.12 June 20, Mon 73%   (224) 
Sat, June 11   137 0.22 June 23, Thu 85%   (261) 
Sun, June 12   138 0.51 June 23, Thu 85%   (261) 
Mon, June 13   143 0.02 June 24, Fri 86%   (265) 
Tue, June 14   145 0.15 June 24, Fri 86%   (265) 
Wed, June 15   157 0 June 25, Sat 88%   (270) 
Thu, June 16   172 0 June 25, Sat 88%   (270) 
Fri, June 17   186 0.10 June 25, Sat 88%   (270) 
Sat, June 18   199 0.44 June 25, Sat 88%   (270) 
Sun, June 19   211 0 June 25, Sat 88%   (270) 
Mon, June 20   224 0 June 25, Sat 88%   (270) 
Tue, June 21   240 0 June 25, Sat 88%   (270) 
Wed, June 22   253 0.03 June 25, Sat 88%   (270) 
Thu, June 23   261 0.39 June 26, Sun 91%   (281) 
Fri, June 24   265 0.98 July 3, Sun 100%   (391) 
Sat, June 25   270 0.63 July 6, Wed 100%   (452) 
Sun, June 26   281 0.09 July 9, Sat 100%   (503) 
Mon, June 27   300 0 July 9, Sat 100%   (503) 
Tue, June 28   316 0 July 9, Sat 100%   (503)