Strobilurin 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
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.
Tue,  April 12 0.21 Apr 18,  6 AM
6 days normal growth
Sun, April 17, 11pm Thu, Apr 21, 6AM 
Wed,  April 13 2.17 Apr 19,  6 AM
6 days normal growth
Sun, April 17, 11pm Fri, Apr 22, 6AM 
Thu,  April 14 0 Apr 20,  6 AM
6 days normal growth
Tue, April 19, 5pm Sat, Apr 23, 6AM
    If application is after deadline, lesions may start showing May 07.
Fri,  April 15 0 Apr 21,  12 PM
slow growth at 7 day limit
Tue, April 19, 5pm Sun, Apr 24, 12PM 
Sat,  April 16 0.22 Apr 22,  8 AM
slow growth at 7 day limit
Tue, April 19, 5pm Mon, Apr 25, 8AM 
Sun,  April 17 0.93 Apr 23,  4 PM
slow growth at 7 day limit
Tue, April 19, 5pm Tue, Apr 26, 4PM 
Mon,  April 18 0 Apr 24,  2 PM
slow growth at 7 day limit
Sat, April 23, 8am Wed, Apr 27, 2PM 
Tue,  April 19 0.04 Apr 25,  6 AM
6 days normal growth
Sun, April 24, 8pm Thu, Apr 28, 6AM
    If application is after deadline, lesions may start showing May 10.
Wed,  April 20 0.01 Apr 26,  6 AM
6 days normal growth
Sun, April 24, 8pm Fri, Apr 29, 6AM 
Thu,  April 21 0 Apr 26,  11 PM
rapid growth
Sun, April 24, 8pm Fri, Apr 29, 11PM 
Fri,  April 22 0 Apr 27,  1 PM
rapid growth
Sun, April 24, 8pm Sat, Apr 30, 1PM 
Sat,  April 23 0.58 Apr 27,  8 PM
rapid growth
Sun, April 24, 8pm Sat, Apr 30, 8PM 
Sun,  April 24 0.04 Apr 28,  5 AM
rapid growth
Post-infection control needed Sun, May 1, 5AM 
Mon,  April 25 0 Apr 29,  8 AM
rapid growth
Wed, May 4, 2pm Sat, May 7, 2PM 
Tue,  April 26 0 Apr 30,  4 AM
rapid growth
Wed, May 4, 2pm Sat, May 7, 2PM 
Wed,  April 27 0.15 May 1,  3 PM
rapid growth
Wed, May 4, 2pm Sat, May 7, 2PM 
Thu,  April 28 0.66 May 3,  12 PM
rapid growth
Wed, May 4, 2pm Sat, May 7, 2PM 
Fri,  April 29 0.08 May 4,  9 PM
rapid growth
Wed, May 4, 2pm Sat, May 7, 9PM 
Sat,  April 30 0 May 6,  6 AM
6 days normal growth
Mon, May 9, 11pm Thu, May 12, 11PM 
Sun,  May 1 0 May 7,  6 AM
6 days normal growth
Mon, May 9, 11pm Thu, May 12, 11PM 
Mon,  May 2 0 May 8,  6 AM
6 days normal growth
Mon, May 9, 11pm Thu, May 12, 11PM 
Tue,  May 3 0 May 9,  6 AM
6 days normal growth
Mon, May 9, 11pm Thu, May 12, 11PM 
Wed,  May 4 0.36 May 10,  6 AM
6 days normal growth
Mon, May 9, 11pm Fri, May 13, 6AM 
Thu,  May 5 0.04 May 11,  6 AM
6 days normal growth
Mon, May 9, 11pm Sat, May 14, 6AM 
Fri,  May 6 0 May 12,  6 AM
6 days normal growth
Sat, May 14, 8pm Tue, May 17, 8PM 
Sat,  May 7 0 May 13,  6 AM
6 days normal growth
Sat, May 14, 8pm Tue, May 17, 8PM 
Sun,  May 8 0 May 14,  6 AM
6 days normal growth
Sat, May 14, 8pm Tue, May 17, 8PM 
Mon,  May 9 0.02 May 15,  6 AM
6 days normal growth
Sat, May 14, 8pm Wed, May 18, 6AM
    If application is after deadline, lesions may start showing May 27.
Tue,  May 10 0.02 May 16,  7 AM
slow growth at 7 day limit
Sat, May 14, 8pm Thu, May 19, 7AM
    If application is after deadline, lesions may start showing May 28.
Wed,  May 11 0.02 May 17,  2 PM
slow growth at 7 day limit
Sat, May 14, 8pm Fri, May 20, 2PM 
Thu,  May 12 0 May 18,  11 AM
slow growth at 7 day limit
Sat, May 14, 8pm Sat, May 21, 11AM 
Fri,  May 13 0 May 19,  6 AM
6 days normal growth
Sat, May 14, 8pm Sun, May 22, 6AM 
Sat,  May 14 0.03 May 20,  6 AM
6 days normal growth
Post-infection control needed Mon, May 23, 6AM 
Sun,  May 15 0.42 May 21,  6 AM
6 days normal growth
Mon, May 23, 5pm Thu, May 26, 5PM 
Mon,  May 16 0.39 May 22,  6 AM
6 days normal growth
Mon, May 23, 5pm Thu, May 26, 5PM 
Tue,  May 17 1.36 May 23,  6 AM
6 days normal growth
Mon, May 23, 5pm Thu, May 26, 5PM 
Wed,  May 18 0.27 May 24,  6 AM
6 days normal growth
Mon, May 23, 5pm Fri, May 27, 6AM 
Thu,  May 19 1.11 May 25,  6 AM
6 days normal growth
Wed, June 1, 8am Sat, Jun 4, 8AM 
Fri,  May 20 0.14 May 26,  6 AM
6 days normal growth
Wed, June 1, 8am Sat, Jun 4, 8AM 
Sat,  May 21 0 May 27,  6 AM
6 days normal growth
Wed, June 1, 8am Sat, Jun 4, 8AM 
Sun,  May 22 0 May 28,  6 AM
6 days normal growth
Wed, June 1, 8am Sat, Jun 4, 8AM 
Mon,  May 23 0.09 May 28,  11 PM
rapid growth
Wed, June 1, 8am Sat, Jun 4, 8AM 
Tue,  May 24 0.32 May 29,  3 PM
rapid growth
Wed, June 1, 8am Sat, Jun 4, 8AM 
Wed,  May 25 0 May 30,  12 PM
rapid growth
Wed, June 1, 8am Sat, Jun 4, 8AM 
Thu,  May 26 0 May 31,  8 AM
rapid growth
Wed, June 1, 8am Sat, Jun 4, 8AM 
Fri,  May 27 0 Jun 1,  3 AM
rapid growth
Wed, June 1, 8am Sat, Jun 4, 8AM 
Sat,  May 28 0 Jun 2,  3 AM
rapid growth
Sun, June 5, 9pm Wed, Jun 8, 9PM 
Sun,  May 29 0 Jun 3,  12 PM
rapid growth
Sun, June 5, 9pm Wed, Jun 8, 9PM 
Mon,  May 30 0 Jun 5,  12 AM
rapid growth
Sun, June 5, 9pm Wed, Jun 8, 9PM 
Tue,  May 31 0 Jun 6,  6 AM
6 days normal growth
Wed, June 8, 11pm Sat, Jun 11, 11PM 
Wed,  June 1 0.18 Jun 7,  6 AM
6 days normal growth
Wed, June 8, 11pm Sat, Jun 11, 11PM 
Thu,  June 2 0 Jun 8,  6 AM
6 days normal growth
Wed, June 8, 11pm Sat, Jun 11, 11PM 
Fri,  June 3 0 Jun 9,  6 AM
6 days normal growth
Wed, June 8, 11pm Sun, Jun 12, 6AM 
Sat,  June 4 0 Jun 10,  12 AM
rapid growth

Ascospores depleted.
If lesions present, next infection period to spread conidial scab starts:
  June 11, 5AM
Sun,  June 5 0.02 Jun 10,  2 PM
rapid growth

Ascospores depleted.
If lesions present, next infection period to spread conidial scab starts:
  June 11, 5AM
Mon,  June 6 0 Jun 11,  9 AM
rapid growth

Ascospores depleted.
If lesions present, next infection period to spread conidial scab starts:
  June 14, 5AM
 
Tue,  June 7 0 Jun 13,  1 AM
rapid growth

Ascospores depleted.
If lesions present, next infection period to spread conidial scab starts:
  June 14, 5AM
Wed,  June 8 0.06 Jun 14,  6 AM
6 days normal growth

Ascospores depleted.
If lesions present, next infection period to spread conidial scab starts:
  June 17, 8AM
Thu,  June 9 0.51 Jun 15,  6 AM
6 days normal growth

Ascospores depleted.
If lesions present, next infection period to spread conidial scab starts:
  June 17, 8AM