Strobilurin fungicide Respray Dates for Scab Suppression

Background Information for this page
Return to radar list for Hollis NH
Weather data for Hollis NH.  Forecast values begin September 12, 2012
Final primary scab infection period starts and ascospores depleted on: Wednesday,  May 23, 8PM.
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.
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.
Sun,  April 8 0 Apr 15,  6 AM
slow growth at 7 day limit
Sun, April 15, 11pm Wed, Apr 18, 11PM 
Mon,  April 9 0 Apr 15,  2 PM
slow growth at 7 day limit
Sun, April 15, 11pm Wed, Apr 18, 11PM 
Tue,  April 10 0 Apr 16,  6 AM
6 days normal growth
Sun, April 22, 2am Wed, Apr 25, 2AM 
Wed,  April 11 0.04 Apr 16,  7 PM
rapid growth
Sun, April 22, 2am Wed, Apr 25, 2AM 
Thu,  April 12 0.25 Apr 17,  12 AM
rapid growth
Sun, April 22, 2am Wed, Apr 25, 2AM 
Fri,  April 13 0 Apr 17,  6 AM
rapid growth
Sun, April 22, 2am Wed, Apr 25, 2AM 
Sat,  April 14 0 Apr 17,  2 PM
rapid growth
Sun, April 22, 2am Wed, Apr 25, 2AM 
Sun,  April 15 0.02 Apr 18,  4 PM
rapid growth
Sun, April 22, 2am Wed, Apr 25, 2AM 
Mon,  April 16 0 Apr 20,  3 PM
rapid growth
Sun, April 22, 2am Wed, Apr 25, 2AM 
Tue,  April 17 0 Apr 22,  4 PM
rapid growth
Sun, April 22, 2am Wed, Apr 25, 4PM 
Wed,  April 18 0 Apr 24,  6 AM
6 days normal growth
Thu, April 26, 6pm Sun, Apr 29, 6PM 
Thu,  April 19 0 Apr 25,  6 AM
6 days normal growth
Thu, April 26, 6pm Sun, Apr 29, 6PM 
Fri,  April 20 0 Apr 26,  1 PM
slow growth at 7 day limit
Thu, April 26, 6pm Sun, Apr 29, 6PM 
Sat,  April 21 0 Apr 28,  6 AM
slow growth at 7 day limit
Tue, May 1, 3am Fri, May 4, 3AM 
Sun,  April 22 0.99 Apr 29,  6 AM
slow growth at 7 day limit
Tue, May 1, 3am Fri, May 4, 3AM 
Mon,  April 23 1.54 Apr 30,  6 AM
slow growth at 7 day limit
Tue, May 1, 3am Fri, May 4, 3AM 
Tue,  April 24 0 May 1,  6 AM
slow growth at 7 day limit
Tue, May 1, 3am Fri, May 4, 6AM
    If application is after deadline, lesions may start showing May 16.
Wed,  April 25 0 May 2,  6 AM
slow growth at 7 day limit
Tue, May 1, 3am Sat, May 5, 6AM 
Thu,  April 26 0.09 May 3,  6 AM
slow growth at 7 day limit
Tue, May 1, 3am Sun, May 6, 6AM 
Fri,  April 27 0.14 May 4,  6 AM
slow growth at 7 day limit
Tue, May 1, 3am Mon, May 7, 6AM 
Sat,  April 28 0 May 5,  6 AM
slow growth at 7 day limit
Tue, May 8, 2am Fri, May 11, 2AM 
Sun,  April 29 0 May 6,  6 AM
slow growth at 7 day limit
Tue, May 8, 2am Fri, May 11, 2AM 
Mon,  April 30 0 May 7,  6 AM
slow growth at 7 day limit
Tue, May 8, 2am Fri, May 11, 2AM 
Tue,  May 1 0.77 May 8,  6 AM
slow growth at 7 day limit
Tue, May 8, 2am Fri, May 11, 6AM 
Wed,  May 2 0 May 9,  6 AM
slow growth at 7 day limit
Tue, May 8, 2am Sat, May 12, 6AM 
Thu,  May 3 0.14 May 10,  6 AM
slow growth at 7 day limit
Tue, May 8, 2am Sun, May 13, 6AM 
Fri,  May 4 0.12 May 11,  6 AM
slow growth at 7 day limit
Mon, May 14, 8am Thu, May 17, 8AM 
Sat,  May 5 0.1 May 12,  6 AM
slow growth at 7 day limit
Mon, May 14, 8am Thu, May 17, 8AM 
Sun,  May 6 0 May 13,  2 AM
slow growth at 7 day limit
Mon, May 14, 8am Thu, May 17, 8AM 
Mon,  May 7 0 May 13,  2 PM
slow growth at 7 day limit
Mon, May 14, 8am Thu, May 17, 8AM 
Tue,  May 8 0.61 May 14,  7 AM
slow growth at 7 day limit
Mon, May 14, 8am Thu, May 17, 8AM 
Wed,  May 9 0.14 May 15,  6 AM
6 days normal growth
Mon, May 14, 8am Fri, May 18, 6AM 
Thu,  May 10 0.69 May 16,  6 AM
6 days normal growth
Mon, May 14, 8am Sat, May 19, 6AM 
Fri,  May 11 0 May 17,  6 AM
6 days normal growth
Mon, May 21, 7pm Thu, May 24, 7PM 
Sat,  May 12 0 May 18,  6 AM
6 days normal growth
Mon, May 21, 7pm Thu, May 24, 7PM 
Sun,  May 13 0 May 19,  6 AM
6 days normal growth
Mon, May 21, 7pm Thu, May 24, 7PM 
Mon,  May 14 0.36 May 20,  6 AM
6 days normal growth
Mon, May 21, 7pm Thu, May 24, 7PM 
Tue,  May 15 0.58 May 21,  6 AM
6 days normal growth
Mon, May 21, 7pm Thu, May 24, 7PM 
Wed,  May 16 0.28 May 22,  6 AM
6 days normal growth
Mon, May 21, 7pm Fri, May 25, 6AM 
Thu,  May 17 0.05 May 23,  6 AM
6 days normal growth

Ascospores depleted before end of protection.  If lesions present, next infection period to spread conidial scab starts:
  May 23, 8PM
Fri,  May 18 0 May 24,  6 AM
6 days normal growth

Ascospores depleted before end of protection.  If lesions present, next infection period to spread conidial scab starts:
  May 29, 8PM
Sat,  May 19 0 May 25,  6 AM
6 days normal growth

Ascospores depleted before end of protection.  If lesions present, next infection period to spread conidial scab starts:
  May 29, 8PM
 
Sun,  May 20 0 May 26,  6 AM
6 days normal growth

Ascospores depleted before end of protection.  If lesions present, next infection period to spread conidial scab starts:
  May 29, 8PM
Mon,  May 21 0.04 May 27,  6 AM
6 days normal growth

Ascospores depleted before end of protection.  If lesions present, next infection period to spread conidial scab starts:
  May 29, 8PM
Tue,  May 22 0.55 May 28,  6 AM
6 days normal growth

Ascospores depleted before end of protection.  If lesions present, next infection period to spread conidial scab starts:
  May 29, 8PM