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

Background Information for this page
Return to radar list for Belchertown MA
Weather data for Belchertown MA.  Forecast values begin May 21, 2012
Final primary scab infection period starts and ascospores depleted on: Wednesday,  May 16, 9PM.
For Low-Scab blocks only:
Full-dose SURFACE "Contact" fungicide
(captan, mancozeb, Polyram, Syllit)
SPRAY DATE
6am application time assumed
Inches Rain For Low-Scab blocks only:
END of SURFACE FUNGICIDE
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.
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.
Thu,  March 22 0 March 23,  4PM
 rapid growth
Sun, April 22, 8am Wed, Apr 25, 8AM 
Fri,  March 23 0 March 28,  7PM
 rapid growth
Sun, April 22, 8am Wed, Apr 25, 8AM 
Sat,  March 24 0 April 2,  6AM
 slow growth at 9 day limit
Sun, April 22, 8am Wed, Apr 25, 8AM 
Sun,  March 25 0.03 April 3,  6AM
 slow growth at 9 day limit
Sun, April 22, 8am Wed, Apr 25, 8AM 
Mon,  March 26 0 April 4,  6AM
 slow growth at 9 day limit
Sun, April 22, 8am Wed, Apr 25, 8AM 
Tue,  March 27 0 April 5,  6AM
 slow growth at 9 day limit
Sun, April 22, 8am Wed, Apr 25, 8AM 
Wed,  March 28 0.12 April 6,  6AM
 slow growth at 9 day limit
Sun, April 22, 8am Wed, Apr 25, 8AM 
Thu,  March 29 0 April 7,  6AM
 slow growth at 9 day limit
Sun, April 22, 8am Wed, Apr 25, 8AM 
Fri,  March 30 0 April 8,  6AM
 slow growth at 9 day limit
Sun, April 22, 8am Wed, Apr 25, 8AM 
Sat,  March 31 0.2 April 9,  6AM
 slow growth at 9 day limit
Sun, April 22, 8am Wed, Apr 25, 8AM 
Sun,  April 1 0.16 April 10,  6AM
 slow growth at 9 day limit
Sun, April 22, 8am Wed, Apr 25, 8AM 
Mon,  April 2 0.01 April 10,  7PM
 slow growth
Sun, April 22, 8am Wed, Apr 25, 8AM 
Tue,  April 3 0 April 12,  6AM
 slow growth at 9 day limit
Sun, April 22, 8am Wed, Apr 25, 8AM 
Wed,  April 4 0.04 April 13,  6AM
 slow growth at 9 day limit
Sun, April 22, 8am Wed, Apr 25, 8AM 
Thu,  April 5 0 April 14,  6AM
 slow growth at 9 day limit
Sun, April 22, 8am Wed, Apr 25, 8AM 
Fri,  April 6 0 April 14,  3PM
 slow growth
Sun, April 22, 8am Wed, Apr 25, 8AM 
Sat,  April 7 0 April 14,  6PM
 slow growth
Sun, April 22, 8am Wed, Apr 25, 8AM 
Sun,  April 8 0 April 15,  8AM
 slow growth
Sun, April 22, 8am Wed, Apr 25, 8AM 
Mon,  April 9 0 April 16,  6AM
 7 days normal growth
Sun, April 22, 8am Wed, Apr 25, 8AM 
Tue,  April 10 0 April 16,  1PM
 rapid growth
Sun, April 22, 8am Wed, Apr 25, 8AM 
Wed,  April 11 0.02 April 16,  6PM
 rapid growth
Sun, April 22, 8am Wed, Apr 25, 8AM 
Thu,  April 12 0.1 April 16,  10PM
 rapid growth
Sun, April 22, 8am Wed, Apr 25, 8AM 
Fri,  April 13 0 April 17,  7AM
 rapid growth
Sun, April 22, 8am Wed, Apr 25, 8AM 
Sat,  April 14 0 April 17,  3PM
 rapid growth
Sun, April 22, 8am Wed, Apr 25, 8AM 
Sun,  April 15 0 April 19,  11AM
 rapid growth
Sun, April 22, 8am Wed, Apr 25, 8AM 
Mon,  April 16 0.03 April 20,  7PM
 rapid growth
Sun, April 22, 8am Wed, Apr 25, 8AM 
Tue,  April 17 0 April 23,  6AM
 rain removal
Sun, April 22, 8am Thu, Apr 26, 6AM 
Wed,  April 18 0 April 23,  3AM
 
Sun, April 22, 8am Thu, Apr 26, 3AM 
Thu,  April 19 0 April 23,  3AM
 rain removal
Sun, April 22, 8am Thu, Apr 26, 3AM 
Fri,  April 20 0 April 23,  3AM
 rain removal
Sun, April 22, 8am Thu, Apr 26, 3AM 
Sat,  April 21 0 April 23,  3AM
 rain removal
Sun, April 22, 8am Thu, Apr 26, 3AM 
Sun,  April 22 1.37 April 23,  4AM
 rain removal
May be need for post-infection control Thu, Apr 26, 4AM 
Mon,  April 23 1.13 May 2,  6AM
 slow growth at 9 day limit
Tue, May 1, 8am Sat, May 5, 6AM 
Tue,  April 24 0 May 3,  6AM
 slow growth at 9 day limit
Tue, May 1, 8am Sun, May 6, 6AM 
Wed,  April 25 0 May 4,  6AM
 slow growth at 9 day limit
Tue, May 1, 8am Mon, May 7, 6AM 
Thu,  April 26 0.08 May 5,  6AM
 slow growth at 9 day limit
Thu, May 3, 8am Tue, May 8, 6AM 
Fri,  April 27 0.06 May 6,  6AM
 slow growth at 9 day limit
Thu, May 3, 8am Wed, May 9, 6AM 
Sat,  April 28 0 May 7,  6AM
 slow growth at 9 day limit
Thu, May 3, 8am Thu, May 10, 6AM 
Sun,  April 29 0 May 7,  8PM
 slow growth
Tue, May 8, 8am Fri, May 11, 8AM 
Mon,  April 30 0 May 8,  3PM
 slow growth
Tue, May 8, 8am Fri, May 11, 3PM 
Tue,  May 1 0.66 May 9,  9AM
 slow growth
Tue, May 8, 8am Sat, May 12, 9AM 
Wed,  May 2 0 May 9,  4PM
 slow growth
Tue, May 8, 8am Sat, May 12, 4PM 
Thu,  May 3 0.3 May 10,  6AM
 7 days normal growth
Tue, May 8, 8am Sun, May 13, 6AM 
Fri,  May 4 0.03 May 10,  6PM
 rain removal
Mon, May 14, 8am Thu, May 17, 8AM 
Sat,  May 5 0.02 May 12,  12PM
 slow growth
Mon, May 14, 8am Thu, May 17, 8AM 
Sun,  May 6 0 May 13,  6AM
 7 days normal growth
Mon, May 14, 8am Thu, May 17, 8AM 
Mon,  May 7 0.02 May 14,  6AM
 7 days normal growth
Mon, May 14, 8am Thu, May 17, 8AM 
Tue,  May 8 0.57 May 15,  6AM
 7 days normal growth
Mon, May 14, 8am Fri, May 18, 6AM 
Wed,  May 9 0.27 May 16,  6AM
 7 days normal growth

Ascospores depleted.
If lesions present, next infection period to spread conidial scab starts:
Wed, May 16, 9PM
 
Thu,  May 10 0.62 May 17,  6AM
 7 days normal growth

Ascospores depleted.
If lesions present, next infection period to spread conidial scab starts:
Mon, May 21, 2PM
Fri,  May 11 0 May 18,  6AM
 7 days normal growth

Ascospores depleted.
If lesions present, next infection period to spread conidial scab starts:
Mon, May 21, 2PM
Sat,  May 12 0 May 19,  6AM
 7 days normal growth

Ascospores depleted.
If lesions present, next infection period to spread conidial scab starts:
Mon, May 21, 2PM
Sun,  May 13 0 May 20,  6AM
 7 days normal growth

Ascospores depleted.
If lesions present, next infection period to spread conidial scab starts:
Mon, May 21, 2PM
Mon,  May 14 0.26 May 21,  6AM
 7 days normal growth

Ascospores depleted.
If lesions present, next infection period to spread conidial scab starts:
Mon, May 21, 2PM
Tue,  May 15 0.68 May 22,  6AM
 7 days normal growth

Ascospores depleted.
If lesions present, next infection period to spread conidial scab starts:
Beyond forecast range