'Protectant fungicide' Respray Dates for Low scab-risk blocks

Background Information for this page
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Weather data for Westhampton MA.  Forecast values begin September 18, 2018
Final primary scab infection period starts and ascospores depleted on: Monday,  June 4, 2AM.
For Low-Scab blocks only:
Full-dose 'Protectant' fungicide
(captan, mancozeb, Syllit, SDHI)
SPRAY DATE
6am application time assumed
Inches Rain For Low-Scab blocks only:
END of PROTECTANT fungicide
residue protection
& limiting factor
For Low-Scab blocks only:
DEADLINE for next
Pre-Infection Application

= start time for the next infection period that has rain after fungicide depletion time.
72-Hour Deadline for post-infection fungicide to reach back to start time of subsequent infection period (1 col. to left), or back to end of protection from previous fungicide spray (2 cols. to left), whichever is later.  Assumes no scab resistance.
Wed,  April 18 0 April 24,  9PM
 rapid growth
Wed, April 25, 8am Sat, Apr 28, 8AM 
Thu,  April 19 0.2 April 25,  12PM
 rapid growth
Wed, April 25, 8am Sat, Apr 28, 12PM 
Fri,  April 20 0 April 25,  12PM
 rapid growth
Wed, April 25, 8am Sat, Apr 28, 12PM 
Sat,  April 21 0 April 25,  10PM
 rapid growth
Wed, April 25, 8am Sat, Apr 28, 10PM 
Sun,  April 22 0 April 26,  10AM
 rapid growth
Wed, April 25, 8am Sun, Apr 29, 10AM 
Mon,  April 23 0 April 27,  10AM
 rapid growth
Wed, April 25, 8am Mon, Apr 30, 10AM 
Tue,  April 24 0 April 28,  3PM
 rapid growth
Sun, April 29, 9am Wed, May 2, 9AM 
Wed,  April 25 0.95 May 1,  1PM
 rapid growth
Sun, May 6, 8am Wed, May 9, 8AM 
Thu,  April 26 0.28 May 2,  9AM
 rapid growth
Sun, May 6, 8am Wed, May 9, 8AM 
Fri,  April 27 0.33 May 2,  3PM
 rapid growth
Sun, May 6, 8am Wed, May 9, 8AM 
Sat,  April 28 0.03 May 2,  10PM
 rapid growth
Sun, May 6, 8am Wed, May 9, 8AM 
Sun,  April 29 0.24 May 3,  1PM
 rapid growth
Sun, May 6, 8am Wed, May 9, 8AM 
Mon,  April 30 0.08 May 3,  3PM
 rapid growth
Sun, May 6, 8am Wed, May 9, 8AM 
Tue,  May 1 0 May 3,  6PM
 rapid growth
Sun, May 6, 8am Wed, May 9, 8AM 
Wed,  May 2 0 May 4,  11AM
 rapid growth
Sun, May 6, 8am Wed, May 9, 8AM 
Thu,  May 3 0.13 May 5,  6PM
 rapid growth
Sun, May 6, 8am Wed, May 9, 8AM 
Fri,  May 4 0.19 May 7,  7PM
 rapid growth
Tue, May 15, 8am Fri, May 18, 8AM 
Sat,  May 5 0 May 9,  2PM
 rapid growth
Tue, May 15, 8am Fri, May 18, 8AM 
Sun,  May 6 0.39 May 10,  9PM
 rapid growth
Tue, May 15, 8am Fri, May 18, 8AM 
Mon,  May 7 0 May 11,  4PM
 rapid growth
Tue, May 15, 8am Fri, May 18, 8AM 
Tue,  May 8 0 May 13,  9PM
 rapid growth
Tue, May 15, 8am Fri, May 18, 8AM 
Wed,  May 9 0 May 15,  1AM
 rapid growth
Tue, May 15, 8am Fri, May 18, 8AM 
Thu,  May 10 0 May 16,  5AM
 rapid growth
Mon, June 4, 8am Thu, Jun 7, 8AM 
Fri,  May 11 0 May 17,  11AM
 rapid growth
Mon, June 4, 8am Thu, Jun 7, 8AM 
Sat,  May 12 0.24 May 18,  4AM
 rapid growth
Mon, June 4, 8am Thu, Jun 7, 8AM 
Sun,  May 13 0 May 18,  1PM
 rapid growth
Mon, June 4, 8am Thu, Jun 7, 8AM 
Mon,  May 14 0 May 19,  7PM
 rapid growth
Mon, June 4, 8am Thu, Jun 7, 8AM 
Tue,  May 15 0.96 May 20,  9PM
 rapid growth
Mon, June 4, 8am Thu, Jun 7, 8AM 
Wed,  May 16 0 May 21,  10PM
 rapid growth
Mon, June 4, 8am Thu, Jun 7, 8AM 
Thu,  May 17 0 May 23,  6AM
 rapid growth
Mon, June 4, 8am Thu, Jun 7, 8AM 
Fri,  May 18 0 May 24,  8AM
 rapid growth
Mon, June 4, 8am Thu, Jun 7, 8AM 
Sat,  May 19 0.48 May 24,  7PM
 rapid growth
Mon, June 4, 8am Thu, Jun 7, 8AM 
Sun,  May 20 0.12 May 25,  12PM
 rapid growth
Mon, June 4, 8am Thu, Jun 7, 8AM 
Mon,  May 21 0 May 26,  8AM
 rapid growth
Mon, June 4, 8am Thu, Jun 7, 8AM 
Tue,  May 22 0.09 May 26,  10PM
 rapid growth
Mon, June 4, 8am Thu, Jun 7, 8AM 
Wed,  May 23 0 May 28,  1AM
 rapid growth
Mon, June 4, 8am Thu, Jun 7, 8AM 
Thu,  May 24 0 May 29,  1PM
 rapid growth
Mon, June 4, 8am Thu, Jun 7, 8AM 
Fri,  May 25 0 May 30,  10AM
 rapid growth
Mon, June 4, 8am Thu, Jun 7, 8AM 
Sat,  May 26 0 May 31,  2PM
 rapid growth
Mon, June 4, 8am Thu, Jun 7, 8AM 
Sun,  May 27 0.27 June 1,  10PM
 rapid growth
Mon, June 4, 8am Thu, Jun 7, 8AM 
Mon,  May 28 0.02 June 2,  11AM
 rapid growth
Mon, June 4, 8am Thu, Jun 7, 8AM 
Tue,  May 29 0 June 3,  12AM
 rapid growth
Mon, June 4, 8am Thu, Jun 7, 8AM 
Wed,  May 30 0 June 5,  9AM
 rapid growth

Ascospores depleted before end of protection.  If lesions present, next infection period to spread conidial scab starts:
Wed, June 13, 2PM
Thu,  May 31 0 June 7,  1AM
 rapid growth

Ascospores depleted before end of protection.  If lesions present, next infection period to spread conidial scab starts:
Wed, June 13, 2PM
Fri,  June 1 0.03 June 8,  6AM
 7 days normal growth

Ascospores depleted before end of protection.  If lesions present, next infection period to spread conidial scab starts:
Wed, June 13, 2PM
Sat,  June 2 0 June 9,  6AM
 7 days normal growth

Ascospores depleted before end of protection.  If lesions present, next infection period to spread conidial scab starts:
Wed, June 13, 2PM
Sun,  June 3 0 June 10,  6AM
 7 days normal growth

Ascospores depleted before end of protection.  If lesions present, next infection period to spread conidial scab starts:
Wed, June 13, 2PM
Mon,  June 4 0.79 June 11,  6AM
 7 days normal growth

Ascospores depleted before end of protection.  If lesions present, next infection period to spread conidial scab starts:
Wed, June 13, 2PM