Plum curculio protection period

Background Information for this page
Return to radar list for Greenville RI
Adequate plum curculio damage prevention expected by maintaining insecticide residue
 from Petal fall through Monday, June 9
(indicated by yellow highlight).
Earliest final spray date that lasts through that end date is: Tuesday, May 27.
Weather data for Greenville RI.  Forecast values begin August 3, 2008
95% McIntosh Petal Fall estimated or reported as:  May 12,  Monday
Full-dose
Plum Curculio (PC) insecticide
Spray 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 12   95% McIntosh
Petal Fall
0 May 24, Sat 23%   (72) 
Tue, May 13   6 0 May 25, Sun 27%   (83) 
Wed, May 14   13 0 May 26, Mon 31%   (97) 
Thu, May 15   20 0 May 27, Tue 36%   (112) 
Fri, May 16   23 0.41 May 28, Wed 39%   (119) 
Sat, May 17   32 0.44 May 29, Thu 42%   (130) 
Sun, May 18   40 0.05 May 30, Fri 47%   (144) 
Mon, May 19   43 0 May 31, Sat 51%   (157) 
Tue, May 20   46 0.28 June 1, Sun 57%   (175) 
Wed, May 21   53 0 June 3, Tue 68%   (208) 
Thu, May 22   54 0.03 June 4, Wed 71%   (218) 
Fri, May 23   63 0 June 5, Thu 73%   (226) 
Sat, May 24   72 0 June 6, Fri 75%   (233) 
Sun, May 25   83 0 June 7, Sat 82%   (253) 
Mon, May 26   97 0 June 8, Sun 92%   (282) 
Tue, May 27   112 0.17 June 9, Mon 100%   (313) 
Wed, May 28   119 0 June 10, Tue 100%   (344) 
Thu, May 29   130 0 June 12, Thu 100%   (389) 
Fri, May 30   144 0 June 13, Fri 100%   (405) 
Sat, May 31   157 0.21 June 14, Sat 100%   (424) 
Sun, June 1   175 0 June 15, Sun 100%   (435) 
Mon, June 2   190 0 June 16, Mon 100%   (446) 
Tue, June 3   208 0 June 16, Mon 100%   (446) 
Wed, June 4   218 0.50 June 16, Mon 100%   (446) 
Thu, June 5   226 0.03 June 16, Mon 100%   (446) 
Fri, June 6   233 0.38 June 16, Mon 100%   (446) 
Sat, June 7   253 0 June 18, Wed 100%   (474) 
Sun, June 8   282 0 June 18, Wed 100%   (474) 
Mon, June 9   313 0 June 19, Thu 100%   (487)