Flyspeck prevention, Full-dose Captan or Ziram: 1st cover through June

Background Information for this page
Return to radar list for Hollis NH
   Fyspeck infection risk increases with appearance of 1st generation colonies around June 4.  Continuous protection from June 4 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 Hollis NH.  Forecast values begin November 1, 2012
Inches Rain Spray Date
Estimates assume that fungicide was applied before rain on spray date
Protection End Date
for full-dose
Captan or Ziram
(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.)
0.58 Tue, May 15 May 23  (May. 28) x July 2 (Jul. 31)
0.28 Wed, May 16 May 30  (Jun. 3) x July 25 (Aug. 8)
0.05 Thu, May 17 May 31  (Jun. 4) x July 25 (Aug. 8)
0 Fri, May 18 June 1  (Jun. 4) x July 25 (Aug. 8)
0 Sat, May 19 June 2  (Jun. 5) x July 26 (Aug. 9)
0 Sun, May 20 June 2  (Jun. 5) x July 26 (Aug. 9)
0.04 Mon, May 21 June 2  (Jun. 5) x July 26 (Aug. 9)
0.55 Tue, May 22 June 2  (Jun. 5) x July 26 (Aug. 9)
0.02 Wed, May 23 June 2  (Jun. 5) x July 26 (Aug. 9)
0 Thu, May 24 June 2  (Jun. 5) x July 26 (Aug. 9)
0 Fri, May 25 June 2  (Jun. 5) x July 26 (Aug. 9)
0 Sat, May 26 June 2  (Jun. 5) x July 26 (Aug. 9)
0 Sun, May 27 June 2  (Jun. 5) x July 26 (Aug. 9)
0 Mon, May 28 June 2  (Jun. 5) x July 26 (Aug. 9)
0.31 Tue, May 29 June 2  (Jun. 5) x July 26 (Aug. 9)
0.02 Wed, May 30 June 2  (Jun. 5) x July 26 (Aug. 9)
0 Thu, May 31 June 2  (Jun. 5) x July 26 (Aug. 9)
0 Fri, June 1 June 2  (Jun. 5) x July 26 (Aug. 9)
1.84 Sat, June 2 June 2  (Jun. 5) x July 26 (Aug. 9)
0.03 Sun, June 3 June 13  (Jun. 24) x August 6 (Aug. 27)
0.48 Mon, June 4 June 13  (Jun. 24) x August 6 (Aug. 27)
0.09 Tue, June 5 June 13  (Jun. 24) x August 6 (Aug. 27)
0.36 Wed, June 6 June 13  (Jun. 24) x August 6 (Aug. 27)
0.29 Thu, June 7 June 21  (Jun. 25) x August 7 (Sep. 3)
0.09 Fri, June 8 June 22  (Jun. 25) x August 7 (Sep. 3)
0 Sat, June 9 June 23  (Jun. 28) x August 9 (Sep. 3)
0 Sun, June 10 June 24  (Jul. 3) x August 9 (Sep. 4)
0 Mon, June 11 June 25  (Jul. 4) x August 10 (Sep. 6)
0.10 Tue, June 12 June 25  (Jul. 4) x August 10 (Sep. 6)
0.72 Wed, June 13 June 25  (Jul. 4) x August 10 (Sep. 6)
0 Thu, June 14 June 28  (Jul. 17) x August 11 (Sep. 7)
0 Fri, June 15 June 29  (Jul. 22) x August 11 (Sep. 7)
0 Sat, June 16 June 30  (Jul. 22) x August 11 (Sep. 7)
0 Sun, June 17 July 1  (Jul. 22) x August 11 (Sep. 7)
0 Mon, June 18 July 2  (Jul. 22) x August 11 (Sep. 7)
0 Tue, June 19 July 3  (Jul. 22) x August 11 (Sep. 7)
0 Wed, June 20 July 4  (Jul. 23) x August 13 (Sep. 8)
0 Thu, June 21 July 4  (Jul. 23) x August 13 (Sep. 8)
0 Fri, June 22 July 4  (Jul. 23) x August 13 (Sep. 8)
0.42 Sat, June 23 July 4  (Jul. 23) x August 13 (Sep. 8)
0 Sun, June 24 July 8  (Jul. 25) x August 13 (Sep. 12)
0.58 Mon, June 25 July 9  (Jul. 25) x August 13 (Sep. 12)
0.03 Tue, June 26 July 10  (Jul. 25) x August 13 (Sep. 12)
0 Wed, June 27 July 11  (Jul. 25) x August 13 (Sep. 12)
0 Thu, June 28 July 12  (Jul. 25) x August 13 (Sep. 12)
0.17 Fri, June 29 July 13  (Jul. 25) x August 13 (Sep. 12)
0 Sat, June 30 July 14  (Jul. 25) x August 13 (Sep. 12)