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 Friday, June 10 is expected to give adequate protection until the end of the immigration period on Monday, June 13 (indicated by yellow highlight).
If using Surround deterrent, rough estimate for decline in plum curculio egglaying is Saturday, July 2.
Weather data for Hancock NH.  Forecast values begin July 31, 2011
95% McIntosh Petal Fall estimated or reported as:  May 25,  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 25   95% McIntosh
Petal Fall
0 June 6, Mon 67%   (207) 
Thu, May 26   19 0 June 7, Tue 74%   (227) 
Fri, May 27   43 0 June 8, Wed 82%   (253) 
Sat, May 28   61 0.05 June 9, Thu 90%   (276) 
Sun, May 29   84 0 June 9, Thu 90%   (276) 
Mon, May 30   110 0 June 9, Thu 90%   (276) 
Tue, May 31   131 0 June 10, Fri 96%   (295) 
Wed, June 1   154 0.36 June 11, Sat 98%   (302) 
Thu, June 2   165 0.02 June 11, Sat 98%   (302) 
Fri, June 3   173 0 June 11, Sat 98%   (302) 
Sat, June 4   181 0 June 11, Sat 98%   (302) 
Sun, June 5   191 0.02 June 11, Sat 98%   (302) 
Mon, June 6   207 0 June 11, Sat 98%   (302) 
Tue, June 7   227 0 June 11, Sat 98%   (302) 
Wed, June 8   253 0.09 June 11, Sat 98%   (302) 
Thu, June 9   276 1.08 June 11, Sat 98%   (302) 
Fri, June 10   295 0.02 June 17, Fri 100%   (367) 
Sat, June 11   302 0.96 June 17, Fri 100%   (367) 
Sun, June 12   306 0.17 June 22, Wed 100%   (450) 
Mon, June 13   314 0.11 June 22, Wed 100%   (450)