'Surface 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 SURFACE "Contact" fungicide
(captan, mancozeb, Polyram, Syllit)
SPRAY DATE
6am application time assumed
Inches Rain END of SURFACE 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 April 15,  7PM
 slow growth
Sun, April 15, 11pm Wed, Apr 18, 11PM 
Mon,  April 9 0 April 16,  6AM
 7 days normal growth
Sun, April 22, 2am Wed, Apr 25, 2AM 
Tue,  April 10 0 April 16,  9PM
 rapid growth
Sun, April 22, 2am Wed, Apr 25, 2AM 
Wed,  April 11 0.04 April 17,  6AM
 rapid growth
Sun, April 22, 2am Wed, Apr 25, 2AM 
Thu,  April 12 0.25 April 17,  11AM
 rapid growth
Sun, April 22, 2am Wed, Apr 25, 2AM 
Fri,  April 13 0 April 17,  2PM
 rapid growth
Sun, April 22, 2am Wed, Apr 25, 2AM 
Sat,  April 14 0 April 18,  3AM
 rapid growth
Sun, April 22, 2am Wed, Apr 25, 2AM 
Sun,  April 15 0.02 April 19,  6PM
 rapid growth
Sun, April 22, 2am Wed, Apr 25, 2AM 
Mon,  April 16 0 April 21,  8AM
 rapid growth
Sun, April 22, 2am Wed, Apr 25, 2AM 
Tue,  April 17 0 April 23,  6AM
 rain removal
Sun, April 22, 2am Thu, Apr 26, 6AM 
Wed,  April 18 0 April 23,  6AM
 rain removal
Sun, April 22, 2am Thu, Apr 26, 6AM 
Thu,  April 19 0 April 23,  6AM
 
Sun, April 22, 2am Thu, Apr 26, 6AM 
Fri,  April 20 0 April 23,  6AM
 rain removal
Sun, April 22, 2am Thu, Apr 26, 6AM 
Sat,  April 21 0 April 23,  6AM
 rain removal
May be need for post-infection control Thu, Apr 26, 6AM 
Sun,  April 22 0.99 April 23,  6AM
 rain removal
May be need for post-infection control Thu, Apr 26, 6AM 
Mon,  April 23 1.54 May 2,  6AM
 slow growth at 9 day limit
Tue, May 1, 3am Sat, May 5, 6AM 
Tue,  April 24 0 May 3,  6AM
 slow growth at 9 day limit
Tue, May 1, 3am Sun, May 6, 6AM 
Wed,  April 25 0 May 4,  6AM
 slow growth at 9 day limit
Tue, May 1, 3am Mon, May 7, 6AM 
Thu,  April 26 0.09 May 5,  6AM
 slow growth at 9 day limit
Tue, May 8, 2am Fri, May 11, 2AM 
Fri,  April 27 0.14 May 6,  6AM
 slow growth at 9 day limit
Tue, May 8, 2am Fri, May 11, 2AM 
Sat,  April 28 0 May 7,  6AM
 slow growth at 9 day limit
Tue, May 8, 2am Fri, May 11, 2AM 
Sun,  April 29 0 May 8,  6AM
 slow growth at 9 day limit
Tue, May 8, 2am Fri, May 11, 6AM 
Mon,  April 30 0 May 9,  6AM
 slow growth at 9 day limit
Tue, May 8, 2am Sat, May 12, 6AM 
Tue,  May 1 0.77 May 10,  3AM
 rain removal
Tue, May 8, 2am Sun, May 13, 3AM 
Wed,  May 2 0 May 11,  6AM
 slow growth at 9 day limit
Mon, May 14, 8am Thu, May 17, 8AM 
Thu,  May 3 0.14 May 12,  6AM
 slow growth at 9 day limit
Mon, May 14, 8am Thu, May 17, 8AM 
Fri,  May 4 0.12 May 12,  6PM
 slow growth
Mon, May 14, 8am Thu, May 17, 8AM 
Sat,  May 5 0.1 May 13,  9AM
 slow growth
Mon, May 14, 8am Thu, May 17, 8AM 
Sun,  May 6 0 May 13,  7PM
 slow growth
Mon, May 14, 8am Thu, May 17, 8AM 
Mon,  May 7 0 May 14,  10AM
 slow growth
Mon, May 14, 8am Thu, May 17, 10AM 
Tue,  May 8 0.61 May 15,  8AM
 slow growth
Mon, May 14, 8am Fri, May 18, 8AM 
Wed,  May 9 0.14 May 16,  6AM
 7 days normal growth
Mon, May 14, 8am Sat, May 19, 6AM 
Thu,  May 10 0.69 May 17,  6AM
 7 days normal growth
Mon, May 21, 7pm Thu, May 24, 7PM 
Fri,  May 11 0 May 18,  6AM
 7 days normal growth
Mon, May 21, 7pm Thu, May 24, 7PM 
Sat,  May 12 0 May 19,  6AM
 7 days normal growth
Mon, May 21, 7pm Thu, May 24, 7PM 
Sun,  May 13 0 May 20,  6AM
 7 days normal growth
Mon, May 21, 7pm Thu, May 24, 7PM 
Mon,  May 14 0.36 May 21,  6AM
 7 days normal growth
Mon, May 21, 7pm Thu, May 24, 7PM 
Tue,  May 15 0.58 May 22,  6AM
 7 days normal growth
Mon, May 21, 7pm Fri, May 25, 6AM 
Wed,  May 16 0.28 May 23,  6AM
 7 days normal growth

Ascospores depleted before end of protection.  If lesions present, next infection period to spread conidial scab starts:
Wed, May 23, 8PM
Thu,  May 17 0.05 May 24,  6AM
 7 days normal growth

Ascospores depleted before end of protection.  If lesions present, next infection period to spread conidial scab starts:
Tue, May 29, 8PM
Fri,  May 18 0 May 25,  6AM
 7 days normal growth

Ascospores depleted before end of protection.  If lesions present, next infection period to spread conidial scab starts:
Tue, May 29, 8PM
Sat,  May 19 0 May 26,  6AM
 7 days normal growth

Ascospores depleted before end of protection.  If lesions present, next infection period to spread conidial scab starts:
Tue, May 29, 8PM
 
Sun,  May 20 0 May 27,  6AM
 7 days normal growth

Ascospores depleted before end of protection.  If lesions present, next infection period to spread conidial scab starts:
Tue, May 29, 8PM
Mon,  May 21 0.04 May 28,  6AM
 7 days normal growth

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

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