'Surface fungicide' Respray Dates for Scab Suppression

Background Information for this page
Return to radar list for Monmouth ME
Weather data for Monmouth ME.  Forecast values begin September 20, 2011
Final primary scab infection period starts and ascospores depleted on: Thursday,  June 9, 4PM.
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.
Mon,  April 25 0.06 April 29,  8PM
 rapid growth
Wed, April 27, 11pm Mon, May 2, 8PM 
Tue,  April 26 0.72 April 30,  7PM
 rapid growth
Tue, May 3, 11pm Fri, May 6, 11PM 
Wed,  April 27 0.07 May 2,  8AM
 rapid growth
Tue, May 3, 11pm Fri, May 6, 11PM 
Thu,  April 28 0.28 May 3,  1PM
 rapid growth
Tue, May 3, 11pm Fri, May 6, 11PM 
Fri,  April 29 0.01 May 6,  6AM
 7 days normal growth
Tue, May 3, 11pm Mon, May 9, 6AM 
Sat,  April 30 0 May 7,  6AM
 7 days normal growth
Tue, May 3, 11pm Tue, May 10, 6AM 
Sun,  May 1 0 May 8,  6AM
 7 days normal growth
Sat, May 7, 3pm Wed, May 11, 6AM 
Mon,  May 2 0 May 9,  6AM
 7 days normal growth
Sat, May 7, 3pm Thu, May 12, 6AM 
Tue,  May 3 0.02 May 10,  6AM
 7 days normal growth
Tue, May 10, 8am Fri, May 13, 8AM 
Wed,  May 4 0.55 May 11,  8AM
 slow growth
Sat, May 14, 8pm Tue, May 17, 8PM 
Thu,  May 5 0.2 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 0.13 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 29.
Mon,  May 9 0 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 30.
Tue,  May 10 0.14 May 16,  6AM
 rain removal
Sat, May 14, 8pm Thu, May 19, 6AM
    If application is after deadline, lesions may start showing May 30.
Wed,  May 11 0 May 16,  6AM
 rain removal
Sat, May 14, 8pm Thu, May 19, 6AM
    If application is after deadline, lesions may start showing May 30.
Thu,  May 12 0 May 16,  6AM
 rain removal
Sat, May 14, 8pm Thu, May 19, 6AM
    If application is after deadline, lesions may start showing May 30.
Fri,  May 13 0 May 16,  10PM
 rain removal
Sat, May 14, 8pm Thu, May 19, 10PM
    If application is after deadline, lesions may start showing May 31.
Sat,  May 14 0.17 May 16,  10PM
 rain removal
Post-infection control needed Thu, May 19, 10PM 
Sun,  May 15 1.39 May 19,  3AM
 rain removal
Post-infection control needed Sun, May 22, 3AM 
Mon,  May 16 0.47 May 22,  6AM
 rain removal
Post-infection control needed Wed, May 25, 6AM 
Tue,  May 17 0.24 May 21,  4PM
 
Post-infection control needed Tue, May 24, 4PM 
Wed,  May 18 0.08 May 21,  4PM
 rain removal
Post-infection control needed Tue, May 24, 4PM 
Thu,  May 19 0.68 May 23,  8PM
 rain removal
Post-infection control needed Thu, May 26, 8PM 
Fri,  May 20 0.55 May 27,  6AM
 7 days normal growth
Fri, May 27, 1am Mon, May 30, 6AM 
Sat,  May 21 0.79 May 28,  6AM
 7 days normal growth
Mon, May 30, 2am Thu, Jun 2, 2AM 
Sun,  May 22 0 May 29,  6AM
 7 days normal growth
Mon, May 30, 2am Thu, Jun 2, 2AM 
Mon,  May 23 0.23 May 29,  8PM
 rapid growth
Mon, May 30, 2am Thu, Jun 2, 2AM 
Tue,  May 24 0.15 May 30,  9AM
 rapid growth
Mon, May 30, 2am Thu, Jun 2, 9AM 
Wed,  May 25 0 May 31,  9AM
 rapid growth
Mon, May 30, 2am Fri, Jun 3, 9AM 
Thu,  May 26 0 June 1,  4AM
 rapid growth
Mon, May 30, 2am Sat, Jun 4, 4AM 
Fri,  May 27 0.18 June 1,  11PM
 rapid growth

Ascospores depleted.
If lesions present, next infection period to spread conidial scab starts:
Thu, June 9, 4PM
Sat,  May 28 0 June 3,  5PM
 rapid growth

Ascospores depleted.
If lesions present, next infection period to spread conidial scab starts:
Thu, June 9, 4PM
Sun,  May 29 0 June 5,  6AM
 7 days normal growth

Ascospores depleted.
If lesions present, next infection period to spread conidial scab starts:
Thu, June 9, 4PM
 
Mon,  May 30 0.32 June 6,  6AM
 7 days normal growth

Ascospores depleted.
If lesions present, next infection period to spread conidial scab starts:
Thu, June 9, 4PM
Tue,  May 31 0 June 7,  6AM
 7 days normal growth

Ascospores depleted.
If lesions present, next infection period to spread conidial scab starts:
Thu, June 9, 4PM
Wed,  June 1 0.44 June 8,  6AM
 7 days normal growth

Ascospores depleted.
If lesions present, next infection period to spread conidial scab starts:
Thu, June 9, 4PM
Thu,  June 2 0 June 9,  6AM
 7 days normal growth

Ascospores depleted.
If lesions present, next infection period to spread conidial scab starts:
Thu, June 9, 4PM
Fri,  June 3 0 June 10,  6AM
 7 days normal growth

Ascospores depleted.
If lesions present, next infection period to spread conidial scab starts:
Sat, June 11, 2PM
Sat,  June 4 0 June 10,  6AM
 rain removal

Ascospores depleted.
If lesions present, next infection period to spread conidial scab starts:
Sat, June 11, 2PM
Sun,  June 5 0 June 10,  6AM
 rain removal

Ascospores depleted.
If lesions present, next infection period to spread conidial scab starts:
Sat, June 11, 2PM
 
Mon,  June 6 0 June 10,  6AM
 rain removal

Ascospores depleted.
If lesions present, next infection period to spread conidial scab starts:
Sat, June 11, 2PM
Tue,  June 7 0 June 13,  6AM
 rain removal

Ascospores depleted.
If lesions present, next infection period to spread conidial scab starts:
Mon, June 13, 11PM
Wed,  June 8 0 June 13,  6AM
 rain removal

Ascospores depleted.
If lesions present, next infection period to spread conidial scab starts:
Mon, June 13, 11PM
Thu,  June 9 1.11 June 14,  4PM
 rain removal

Ascospores depleted.
If lesions present, next infection period to spread conidial scab starts:
Fri, June 17, 2PM