| Background Information for this page | |||||
| Return to radar list for Greenville RI | |||||
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2nd generation flyspeck spores from border row hosts become available
around June 21. Beyond that date
preventive or postinfection flyspeck control is advised up until 30 days
before the end of harvest. Postinfection control of flyspeck requires application of a strobilurin or Topsin M fungicide within 50 wet hours after the 'Protection end date' of the previous fungicide application. For flyspeck infections starting on unprotected apples on June 21, the estimated end of the 50 wet hour postinfection control window is June 24. Flyspeck infection risk increases with development of 3rd generation spores around July 24, and peaks with 4th generation starting around August 13. If the 'Protection End Date' is within 30 days of final harvest, then flyspeck infections that start after protection wears off will only have enough development time to become visible on fruit if unusually wet weather allows an additional 270+ cumulative wet hours before harvest. |
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| Weather data for Greenville RI. Forecast values begin September 2, 2008 | |||||
| Inches Rain | Spray Date - assumes that fungicide was applied before any rain recorded on spray date |
Protection End Date for low-dose Captan or Ziram applied on spray date |
Deadline for postinfection strobilurin or Topsin M application (= 50 wet hours after protection ends) |
Latest Safe Storage (& Fresh pick) Harvest Dates with low Flyspeck risk - Storage date assumes fruit will be cool and dry within 50 hours after harvest |
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| 0 | Tue, July 1 | July 11 | July 21 | August 5 | (Aug 7) |
| 0.67 | Wed, July 2 | July 12 | July 21 | August 5 | (Aug 7) |
| 0 | Thu, July 3 | July 13 | July 21 | August 5 | (Aug 7) |
| 0.31 | Fri, July 4 | July 14 | July 21 | August 5 | (Aug 7) |
| 0.25 | Sat, July 5 | July 15 | July 21 | August 5 | (Aug 7) |
| 0 | Sun, July 6 | July 16 | July 21 | August 5 | (Aug 7) |
| 0 | Mon, July 7 | July 17 | July 21 | August 5 | (Aug 7) |
| 0 | Tue, July 8 | July 18 | July 22 | August 5 | (Aug 7) |
| 0 | Wed, July 9 | July 19 | July 22 | August 6 | (Aug 8) |
| 0 | Thu, July 10 | July 20 | July 22 | August 6 | (Aug 8) |
| 0 | Fri, July 11 | July 21 | July 23 | August 7 | (Aug 10) |
| 0 | Sat, July 12 | July 21 | July 23 | August 7 | (Aug 10) |
| 0 | Sun, July 13 | July 21 | July 23 | August 7 | (Aug 10) |
| 0.10 | Mon, July 14 | July 21 | July 23 | August 7 | (Aug 10) |
| 0 | Tue, July 15 | July 22 | July 24 | August 7 | (Aug 11) |
| 0 | Wed, July 16 | July 22 | July 24 | August 7 | (Aug 11) |
| 0 | Thu, July 17 | July 22 | July 24 | August 7 | (Aug 11) |
| 0.09 | Fri, July 18 | July 22 | July 24 | August 7 | (Aug 11) |
| 0 | Sat, July 19 | July 22 | July 24 | August 7 | (Aug 11) |
| 0.10 | Sun, July 20 | July 22 | July 24 | August 7 | (Aug 11) |
| 0.60 | Mon, July 21 | July 22 | July 24 | August 7 | (Aug 11) |
| 0.66 | Tue, July 22 | July 22 | July 24 | August 7 | (Aug 11) |
| 1.52 | Wed, July 23 | July 22 | July 24 | August 7 | (Aug 11) |
| 2.71 | Thu, July 24 | July 23 | July 26 | August 10 | (Aug 12) |
| 0 | Fri, July 25 | July 26 | July 31 | August 11 | (Aug 14) |
| 0 | Sat, July 26 | July 26 | July 31 | August 11 | (Aug 14) |
| 1.57 | Sun, July 27 | July 26 | July 31 | August 11 | (Aug 14) |
| 0 | Mon, July 28 | August 5 | August 7 | August 29 | (Sep 6) |
| 0 | Tue, July 29 | August 5 | August 7 | August 29 | (Sep 6) |
| 0 | Wed, July 30 | August 5 | August 7 | August 29 | (Sep 6) |
| 0.23 | Thu, July 31 | August 5 | August 7 | August 29 | (Sep 6) |