Strobilurin fungicide Respray Dates for Scab Suppression

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Weather data for Easthampton MA.  Forecast values begin May 25, 2018
 
Full-dose
STROBILURIN fungicide
(Flint, Sovran, Pristine)
SPRAY DATE
6am application time assumed
Inches Rain END of STROBILURIN FUNGICIDE
PROTECTION

& limiting factor
DEADLINE for next
Pre-Infection Application

This is the 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 depletion time of previous fungicide spray (2 cols. to left), whichever is later.  Assumes no scab resistance.
Wed,  April 18 0 Apr 25,  6 AM
slow growth at 7 day limit
Wed, April 25, 4am Sat, Apr 28, 6AM 
Thu,  April 19 0.18 Apr 25,  2 PM
slow growth at 7 day limit
Wed, April 25, 4am Sat, Apr 28, 2PM 
Fri,  April 20 0 Apr 26,  6 AM
6 days normal growth
Wed, April 25, 4am Sun, Apr 29, 6AM 
Sat,  April 21 0 Apr 27,  6 AM
6 days normal growth
Wed, April 25, 4am Mon, Apr 30, 6AM 
Sun,  April 22 0 Apr 28,  6 AM
6 days normal growth
Fri, April 27, 11am Tue, May 1, 6AM 
Mon,  April 23 0 Apr 29,  2 AM
rapid growth
Fri, April 27, 11am Wed, May 2, 2AM 
Tue,  April 24 0 Apr 30,  6 AM
6 days normal growth
Sat, April 28, 11pm Thu, May 3, 6AM 
Wed,  April 25 0.96 May 1,  10 AM
slow growth at 7 day limit
Thu, May 3, 6pm Sun, May 6, 6PM 
Thu,  April 26 0.2 May 2,  6 AM
6 days normal growth
Thu, May 3, 6pm Sun, May 6, 6PM 
Fri,  April 27 0.3 May 3,  6 AM
6 days normal growth
Thu, May 3, 6pm Sun, May 6, 6PM 
Sat,  April 28 0.03 May 3,  2 PM
rapid growth
Thu, May 3, 6pm Sun, May 6, 6PM 
Sun,  April 29 0.22 May 4,  1 AM
rapid growth
Thu, May 3, 6pm Mon, May 7, 1AM 
Mon,  April 30 0.08 May 4,  9 AM
rapid growth
Thu, May 3, 6pm Mon, May 7, 9AM 
Tue,  May 1 0 May 4,  11 AM
rapid growth
Thu, May 3, 6pm Mon, May 7, 11AM 
Wed,  May 2 0 May 5,  1 AM
rapid growth
Fri, May 4, 8pm Tue, May 8, 1AM 
Thu,  May 3 0.13 May 6,  8 PM
rapid growth
Fri, May 4, 8pm Wed, May 9, 8PM 
Fri,  May 4 0.19 May 8,  9 PM
rapid growth
Sat, May 12, 10am Tue, May 15, 10AM 
Sat,  May 5 0 May 10,  4 PM
rapid growth
Sat, May 12, 10am Tue, May 15, 10AM 
Sun,  May 6 0.39 May 11,  6 PM
rapid growth
Sat, May 12, 10am Tue, May 15, 10AM 
Mon,  May 7 0 May 13,  6 AM
6 days normal growth
Sat, May 12, 10am Wed, May 16, 6AM 
Tue,  May 8 0 May 14,  6 AM
6 days normal growth
Sat, May 12, 10am Thu, May 17, 6AM 
Wed,  May 9 0 May 15,  6 AM
6 days normal growth
Sat, May 12, 10am Fri, May 18, 6AM 
Thu,  May 10 0 May 16,  6 AM
6 days normal growth
Sat, May 19, 9am Tue, May 22, 9AM 
Fri,  May 11 0 May 17,  6 AM
6 days normal growth
Sat, May 19, 9am Tue, May 22, 9AM 
Sat,  May 12 0.23 May 18,  6 AM
6 days normal growth
Sat, May 19, 9am Tue, May 22, 9AM 
Sun,  May 13 0 May 19,  6 AM
6 days normal growth
Sat, May 19, 9am Tue, May 22, 9AM 
Mon,  May 14 0 May 20,  6 AM
6 days normal growth
Sat, May 19, 9am Wed, May 23, 6AM 
Tue,  May 15 0.98 May 21,  6 AM
6 days normal growth
Sat, May 19, 9am Thu, May 24, 6AM 
Wed,  May 16 0 May 22,  6 AM
6 days normal growth
Sat, May 19, 9am Fri, May 25, 6AM 
Thu,  May 17 0 May 23,  6 AM
6 days normal growth
Sat, May 26, 7pm Tue, May 29, 7PM 
Fri,  May 18 0 May 24,  6 AM
6 days normal growth
Sat, May 26, 7pm Tue, May 29, 7PM 
Sat,  May 19 0.47 May 25,  6 AM
6 days normal growth
Sat, May 26, 7pm Tue, May 29, 7PM 
Sun,  May 20 0.14 May 25,  9 PM
rapid growth
Sat, May 26, 7pm Tue, May 29, 7PM 
Mon,  May 21 0 May 26,  5 PM
rapid growth
Sat, May 26, 7pm Tue, May 29, 7PM 
Tue,  May 22 0.09 May 27,  4 PM
rapid growth
Sat, May 26, 7pm Wed, May 30, 4PM 
Wed,  May 23 0 May 28,  6 PM
rapid growth

Ascospores depleted before end of protection.  If lesions present, next infection period to spread conidial scab starts:
  Beyond forecast range
Thu,  May 24 0 May 29,  7 PM
rapid growth

Ascospores depleted before end of protection.  If lesions present, next infection period to spread conidial scab starts:
  Beyond forecast range
Fri,  May 25 0 May 30,  6 PM
rapid growth

Ascospores depleted before end of protection.  If lesions present, next infection period to spread conidial scab starts:
  Beyond forecast range
Sat,  May 26 0.06 Jun 1,  12 AM
rapid growth

Ascospores depleted before end of protection.  If lesions present, next infection period to spread conidial scab starts:
  Beyond forecast range
Sun,  May 27 0.47 Jun 2,  6 AM
6 days normal growth

Ascospores depleted before end of protection.  If lesions present, next infection period to spread conidial scab starts:
  Beyond forecast range
Mon,  May 28 0.22 Jun 3,  6 AM
6 days normal growth

Ascospores depleted before end of protection.  If lesions present, next infection period to spread conidial scab starts:
  Beyond forecast range
Tue,  May 29 0 Jun 4,  6 AM
6 days normal growth

Ascospores depleted before end of protection.  If lesions present, next infection period to spread conidial scab starts:
  Beyond forecast range
 
Wed,  May 30 0 beyond forecast  
Thu,  May 31 0 beyond forecast