'Surface fungicide' Respray Dates for Scab Suppression

Background Information for this page
Return to radar list for Middletown RI
Weather data for Middletown RI.  Forecast values begin September 20, 2011
Final primary scab infection period starts and ascospores depleted on: Thursday,  June 9, 6PM.
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.
Tue,  April 12 0.21 April 13,  1PM
 rain removal
Post-infection control needed Sat, Apr 16, 1PM 
Wed,  April 13 2.17 April 16,  11PM
 rain removal
Sat, April 16, 7pm Tue, Apr 19, 11PM 
Thu,  April 14 0 April 21,  8AM
 slow growth
Tue, April 19, 5pm Sun, Apr 24, 8AM 
Fri,  April 15 0 April 23,  4PM
 slow growth
Tue, April 19, 5pm Tue, Apr 26, 4PM 
Sat,  April 16 0.22 April 24,  4AM
 slow growth
Sat, April 23, 8am Wed, Apr 27, 4AM 
Sun,  April 17 0.93 April 24,  11AM
 slow growth
Sat, April 23, 8am Wed, Apr 27, 11AM 
Mon,  April 18 0 April 25,  6AM
 7 days normal growth
Sun, April 24, 8pm Thu, Apr 28, 6AM
    If application is after deadline, lesions may start showing May 10.
Tue,  April 19 0.04 April 26,  6AM
 7 days normal growth
Sun, April 24, 8pm Fri, Apr 29, 6AM 
Wed,  April 20 0.01 April 27,  2AM
 rapid growth
Sun, April 24, 8pm Sat, Apr 30, 2AM 
Thu,  April 21 0 April 27,  11AM
 rapid growth
Sun, April 24, 8pm Sat, Apr 30, 11AM 
Fri,  April 22 0 April 28,  1AM
 rapid growth
Sun, April 24, 8pm Sun, May 1, 1AM 
Sat,  April 23 0.58 April 28,  8AM
 rapid growth
Sun, April 24, 8pm Sun, May 1, 8AM 
Sun,  April 24 0.04 April 28,  5PM
 rapid growth
Post-infection control needed Sun, May 1, 5PM 
Mon,  April 25 0 April 29,  4PM
 rapid growth
Wed, May 4, 2pm Sat, May 7, 2PM 
Tue,  April 26 0 April 30,  7PM
 rapid growth
Wed, May 4, 2pm Sat, May 7, 2PM 
Wed,  April 27 0.15 May 2,  5PM
 rapid growth
Wed, May 4, 2pm Sat, May 7, 2PM 
Thu,  April 28 0.66 May 4,  4AM
 rapid growth
Wed, May 4, 2pm Sat, May 7, 2PM 
Fri,  April 29 0.08 May 6,  3AM
 rapid growth
Mon, May 9, 11pm Thu, May 12, 11PM 
Sat,  April 30 0 May 7,  6AM
 7 days normal growth
Mon, May 9, 11pm Thu, May 12, 11PM 
Sun,  May 1 0 May 8,  6AM
 7 days normal growth
Mon, May 9, 11pm Thu, May 12, 11PM 
Mon,  May 2 0 May 9,  6AM
 7 days normal growth
Mon, May 9, 11pm Thu, May 12, 11PM 
Tue,  May 3 0 May 9,  10PM
 rapid growth
Mon, May 9, 11pm Thu, May 12, 11PM 
Wed,  May 4 0.36 May 11,  6AM
 7 days normal growth
Mon, May 9, 11pm Sat, May 14, 6AM 
Thu,  May 5 0.04 May 12,  6AM
 7 days normal growth
Sat, May 14, 8pm Tue, May 17, 8PM 
Fri,  May 6 0 May 13,  6AM
 7 days normal growth
Sat, May 14, 8pm Tue, May 17, 8PM 
Sat,  May 7 0 May 14,  6AM
 7 days normal growth
Sat, May 14, 8pm Tue, May 17, 8PM 
Sun,  May 8 0 May 15,  6AM
 7 days normal growth
Sat, May 14, 8pm Wed, May 18, 6AM
    If application is after deadline, lesions may start showing May 27.
Mon,  May 9 0.02 May 16,  6AM
 7 days normal growth
Sat, May 14, 8pm Thu, May 19, 6AM
    If application is after deadline, lesions may start showing May 28.
Tue,  May 10 0.02 May 17,  9PM
 slow growth
Sat, May 14, 8pm Fri, May 20, 9PM 
Wed,  May 11 0.02 May 17,  10PM
 rain removal
Sat, May 14, 8pm Fri, May 20, 10PM 
Thu,  May 12 0 May 18,  6AM
 rain removal
Sat, May 14, 8pm Sat, May 21, 6AM 
Fri,  May 13 0 May 17,  10PM
 
Sat, May 14, 8pm Fri, May 20, 10PM 
Sat,  May 14 0.03 May 17,  10PM
 rain removal
Post-infection control needed Fri, May 20, 10PM 
Sun,  May 15 0.42 May 17,  11PM
 rain removal
Post-infection control needed Fri, May 20, 11PM 
Mon,  May 16 0.39 May 19,  4AM
 rain removal
Post-infection control needed Sun, May 22, 4AM 
Tue,  May 17 1.36 May 19,  3PM
 rain removal
Post-infection control needed Sun, May 22, 3PM 
Wed,  May 18 0.27 May 25,  6AM
 7 days normal growth
Wed, June 1, 8am Sat, Jun 4, 8AM 
Thu,  May 19 1.11 May 26,  6AM
 7 days normal growth
Wed, June 1, 8am Sat, Jun 4, 8AM 
Fri,  May 20 0.14 May 27,  6AM
 7 days normal growth
Wed, June 1, 8am Sat, Jun 4, 8AM 
Sat,  May 21 0 May 28,  6AM
 7 days normal growth
Wed, June 1, 8am Sat, Jun 4, 8AM 
Sun,  May 22 0 May 29,  2AM
 rapid growth
Wed, June 1, 8am Sat, Jun 4, 8AM 
Mon,  May 23 0.09 May 29,  4PM
 rapid growth
Wed, June 1, 8am Sat, Jun 4, 8AM 
Tue,  May 24 0.32 May 30,  9AM
 rapid growth
Wed, June 1, 8am Sat, Jun 4, 8AM 
Wed,  May 25 0 May 31,  1AM
 rapid growth
Wed, June 1, 8am Sat, Jun 4, 8AM 
Thu,  May 26 0 May 31,  10PM
 rapid growth
Wed, June 1, 8am Sat, Jun 4, 8AM 
Fri,  May 27 0 June 1,  9PM
 rapid growth
Wed, June 1, 8am Sat, Jun 4, 9PM 
Sat,  May 28 0 June 2,  8PM
 rapid growth
Sun, June 5, 9pm Wed, Jun 8, 9PM 
Sun,  May 29 0 June 4,  12PM
 rapid growth
Sun, June 5, 9pm Wed, Jun 8, 9PM 
Mon,  May 30 0 June 6,  6AM
 7 days normal growth
Wed, June 8, 11pm Sat, Jun 11, 11PM 
Tue,  May 31 0 June 7,  6AM
 7 days normal growth
Wed, June 8, 11pm Sat, Jun 11, 11PM 
Wed,  June 1 0.18 June 8,  6AM
 7 days normal growth
Wed, June 8, 11pm Sat, Jun 11, 11PM 
Thu,  June 2 0 June 9,  6AM
 7 days normal growth
Wed, June 8, 11pm Sun, Jun 12, 6AM 
Fri,  June 3 0 June 10,  4AM
 rapid growth

Ascospores depleted.
If lesions present, next infection period to spread conidial scab starts:
Sat, June 11, 5AM
Sat,  June 4 0 June 10,  5PM
 rapid growth

Ascospores depleted.
If lesions present, next infection period to spread conidial scab starts:
Sat, June 11, 5AM
Sun,  June 5 0.02 June 11,  2PM
 rapid growth

Ascospores depleted.
If lesions present, next infection period to spread conidial scab starts:
Tue, June 14, 5AM
Mon,  June 6 0 June 12,  6AM
 rain removal

Ascospores depleted.
If lesions present, next infection period to spread conidial scab starts:
Tue, June 14, 5AM
 
Tue,  June 7 0 June 12,  6AM
 rain removal

Ascospores depleted.
If lesions present, next infection period to spread conidial scab starts:
Tue, June 14, 5AM
Wed,  June 8 0.06 June 12,  6AM
 rain removal

Ascospores depleted.
If lesions present, next infection period to spread conidial scab starts:
Tue, June 14, 5AM
Thu,  June 9 0.51 June 12,  7AM
 rain removal
Post-infection control needed Wed, Jun 15, 7AM