Flyspeck prevention, Group A fungicides(strobilurins and Topsin M): 1st cover through June

Background Information for this page
Return to radar list for Sanford ME
   Fyspeck infection risk increases with appearance of 1st generation colonies around July 3.  Continuous protection from July 3 until within 30 days of harvest is recommended.
    Application of a strobilurin or Topsin M fungicide no more than 38 flyspeck growth hours after the 'Protection end date' of the previous fungicide application may provide postinfection control.
Weather data for Sanford ME.  Forecast values begin November 1, 2011
Inches Rain Spray Date
Estimates assume that fungicide was applied before rain on spray date
Protection End Date
for full-dose
Flint, Sovran, or
Topsin M
(deadline for postinfection strobilurin or Topsin M)
Date flyspeck infections could appear
(Left side = estimated flyspeck show date if weather beyond end of forecast range is in top 20% of years for both temperature and wet hours.  An "x" means there is no need for this scenario because show date is within forecast range.
    
Right side = estimated flyspeck show date for small, open canopy, low-risk trees.)
0 Thu, June 2 June 18  (Jun. 23) x July 26 (Aug. 8)
0 Fri, June 3 June 18  (Jun. 23) x July 26 (Aug. 8)
0 Sat, June 4 June 18  (Jun. 23) x July 26 (Aug. 8)
0 Sun, June 5 June 18  (Jun. 23) x July 26 (Aug. 8)
0 Mon, June 6 June 18  (Jun. 23) x July 26 (Aug. 8)
0 Tue, June 7 June 18  (Jun. 23) x July 26 (Aug. 8)
0 Wed, June 8 June 18  (Jun. 23) x July 26 (Aug. 8)
0.51 Thu, June 9 June 18  (Jun. 23) x July 26 (Aug. 8)
0 Fri, June 10 June 22  (Jun. 24) x July 27 (Aug. 9)
0.63 Sat, June 11 June 22  (Jun. 24) x July 27 (Aug. 9)
0.30 Sun, June 12 June 23  (Jun. 25) x July 30 (Aug. 10)
0 Mon, June 13 June 24  (Jun. 27) x July 31 (Aug. 13)
0.04 Tue, June 14 June 24  (Jun. 27) x July 31 (Aug. 13)
0 Wed, June 15 June 24  (Jun. 27) x July 31 (Aug. 13)
0 Thu, June 16 June 24  (Jun. 27) x July 31 (Aug. 13)
0.21 Fri, June 17 June 24  (Jun. 27) x July 31 (Aug. 13)
0.38 Sat, June 18 June 24  (Jun. 27) x July 31 (Aug. 13)
0 Sun, June 19 June 25  (Jun. 28) x August 3 (Aug. 14)
0 Mon, June 20 June 25  (Jun. 28) x August 3 (Aug. 14)
0 Tue, June 21 June 25  (Jun. 28) x August 3 (Aug. 14)
0.49 Wed, June 22 June 25  (Jun. 28) x August 3 (Aug. 14)
0.62 Thu, June 23 June 29  (Jul. 3) x August 6 (Aug. 16)
0.69 Fri, June 24 July 8  (Jul. 18) x August 12 (Aug. 24)
0.69 Sat, June 25 July 13  (Jul. 24) x August 14 (Aug. 25)
0 Sun, June 26 July 17  (Jul. 25) x August 14 (Aug. 26)
0 Mon, June 27 July 18  (Jul. 25) x August 14 (Aug. 27)
0 Tue, June 28 July 19  (Jul. 26) x August 15 (Aug. 27)
0.13 Wed, June 29 July 20  (Jul. 26) x August 15 (Aug. 27)
0 Thu, June 30 July 21  (Jul. 26) x August 15 (Aug. 27)