Plum curculio protection period

Background Information for this page
Return to radar list for Hancock NH
   Need for protection against plum curculio egglaying begins around fruit set. 
    A final plum curculio insecticide application on Wednesday, May 16 is expected to give adequate protection until the end of the immigration period on Tuesday, May 29 (indicated by yellow highlight).
If using Surround deterrent, rough estimate for decline in plum curculio egglaying is Wednesday, June 13.
Weather data for Hancock NH.  Forecast values begin May 22, 2012
95% McIntosh Petal Fall estimated or reported as:  May 2,  Wednesday
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
Wed, May 2   95% McIntosh
Petal Fall
0 May 12, Sat 18%   (56) 
Thu, May 3   1 0.20 May 13, Sun 23%   (72) 
Fri, May 4   4 0.17 May 14, Mon 27%   (82) 
Sat, May 5   10 0.06 May 14, Mon 27%   (82) 
Sun, May 6   15 0 May 15, Tue 31%   (94) 
Mon, May 7   24 0 May 15, Tue 31%   (94) 
Tue, May 8   26 0.75 May 15, Tue 31%   (94) 
Wed, May 9   34 0.09 May 16, Wed 35%   (108) 
Thu, May 10   39 0.63 May 16, Wed 35%   (108) 
Fri, May 11   44 0 May 21, Mon 55%   (168) 
Sat, May 12   56 0 May 22, Tue 58%   (179) 
Sun, May 13   72 0 May 23, Wed 63%   (193) 
Mon, May 14   82 0.52 May 24, Thu 68%   (210) 
Tue, May 15   94 0.55 May 28, Mon 97%   (299) 
Wed, May 16   108 0.37 May 29, Tue 100%   (317) 
Thu, May 17   116 0.05 May 30, Wed 100%   (333) 
Fri, May 18   125 0 May 31, Thu 100%   (345) 
Sat, May 19   139 0 May 31, Thu 100%   (345) 
Sun, May 20   156 0 May 31, Thu 100%   (345) 
Mon, May 21   168 0.05 May 31, Thu 100%   (345) 
Tue, May 22   179 0.37 June 1, Fri 100%   (357) 
Wed, May 23   193 0 June 3, Sun 100%   (381) 
Thu, May 24   210 0 June 3, Sun 100%   (381) 
Fri, May 25   229 0 June 4, Mon 100%   (394) 
Sat, May 26   251 0 June 5, Tue 100%   (406) 
Sun, May 27   275 0 June 6, Wed 100%   (419) 
Mon, May 28   299 0 June 7, Thu 100%   (432) 
Tue, May 29   317 0.28 June 7, Thu 100%   (432)