Flyspeck prevention, Low dose captan or ziram: 1st cover through June

Background Information for this page
Return to radar list for Sanford ME
     2nd generation flyspeck spores from border row hosts become available around June 22.  Beyond that date preventive or postinfection flyspeck control is advised up until 30 days before the end of harvest.
     Postinfection control of flyspeck requires application of a strobilurin or Topsin M fungicide within 50 wet hours after the 'Protection end date' of the previous fungicide application.  For flyspeck infections starting on unprotected apples on June 22, the estimated end of the 50 wet hour postinfection control window is June 25.
Weather data for Sanford ME.  Forecast values begin October 17, 2008
Inches Rain Spray Date
- assumes that fungicide was applied before any rain recorded on spray date
Protection End Date
for low-dose Captan or Ziram
applied on spray date
Deadline for
postinfection strobilurin or
Topsin M application
(= 50 wet hours after protection ends)
Latest Safe Storage
(& Fresh pick)
Harvest Dates with low Flyspeck risk
- Storage date assumes fruit will be cool and dry within 50 hours after harvest
0 Wed, May 28 June 7 June 14 June 25  (Jun 27)
0 Thu, May 29 June 8 June 14 June 25  (Jun 27)
0 Fri, May 30 June 9 June 14 June 25  (Jun 27)
0.45 Sat, May 31 June 9 June 14 June 25  (Jun 27)
0 Sun, June 1 June 10 June 15 June 26  (Jun 28)
0 Mon, June 2 June 10 June 15 June 26  (Jun 28)
0.04 Tue, June 3 June 10 June 15 June 26  (Jun 28)
0.31 Wed, June 4 June 13 June 15 June 26  (Jun 28)
0.01 Thu, June 5 June 13 June 15 June 26  (Jun 28)
0.49 Fri, June 6 June 13 June 15 June 26  (Jun 28)
0 Sat, June 7 June 14 June 16 June 26  (Jun 29)
0 Sun, June 8 June 14 June 16 June 26  (Jun 29)
0 Mon, June 9 June 14 June 16 June 26  (Jun 29)
0.31 Tue, June 10 June 14 June 16 June 26  (Jun 29)
0.36 Wed, June 11 June 14 June 16 June 26  (Jun 29)
0 Thu, June 12 June 15 June 17 June 27  (Jun 30)
0 Fri, June 13 June 15 June 17 June 27  (Jun 30)
0.41 Sat, June 14 June 15 June 17 June 27  (Jun 30)
1.09 Sun, June 15 June 15 June 17 June 27  (Jun 30)
0.51 Mon, June 16 June 19 June 21 July 1  (Jul 4)
0.73 Tue, June 17 June 21 June 23 July 3  (Jul 8)
0 Wed, June 18 June 22 June 24 July 5  (Jul 13)
0 Thu, June 19 June 22 June 24 July 5  (Jul 13)
0.27 Fri, June 20 June 22 June 24 July 5  (Jul 13)
0.21 Sat, June 21 June 23 June 26 July 7  (Jul 18)
0.66 Sun, June 22 June 26 June 28 July 18  (Jul 20)
0.49 Mon, June 23 June 28 June 30 July 20  (Jul 22)
0.22 Tue, June 24 June 28 June 30 July 20  (Jul 22)
0 Wed, June 25 June 30 July 2 July 22  (Jul 24)
0.06 Thu, June 26 June 30 July 2 July 22  (Jul 24)
0.27 Fri, June 27 June 30 July 2 July 22  (Jul 24)
0.40 Sat, June 28 July 1 July 4 July 22  (Jul 26)
0.61 Sun, June 29 July 2 July 6 July 23  (Jul 30)
0.11 Mon, June 30 July 8 July 18 July 30  (Aug 2)