| Background Information for this page | |||
| Return to radar list for Greenville RI | |||
| Weather data for Greenville RI. Forecast values begin September 2, 2008 | |||
| This table estimates maximum safe
intervals between European red mite (ERM) sampling dates based on
temperature-driven population development.
The intent is to help growers keep track of ERM populations in apple
orchards with the minimum number of samples. The resample dates are constrained to require at least one sample during the 7 days before egglaying starts for 3rd generation eggs (red font), and 4th generation eggs (blue font). These dates may be in the June table. See Background page for definition of "below threshold" and "FAR BELOW threshold". |
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| Date on which mites were monitored | Number of days before resampling if mite density
was "below threshold" |
Resample date if mite density was "below threshold" |
Resample date if mite density was "FAR BELOW threshold" |
| Tue, July 1 | 7 | July 8, Tue | July 13, Sun |
| Wed, July 2 | 7 | July 9, Wed | July 14, Mon |
| Thu, July 3 | 6 | July 9, Wed | July 15, Tue |
| Fri, July 4 | 6 | July 10, Thu | July 16, Wed |
| Sat, July 5 | 5 | July 10, Thu | July 16, Wed |
| Sun, July 6 | 5 | July 11, Fri | July 17, Thu |
| Mon, July 7 | 6 | July 13, Sun | July 18, Fri |
| Tue, July 8 | 6 | July 14, Mon | July 19, Sat |
| Wed, July 9 | 6 | July 15, Tue | July 20, Sun |
| Thu, July 10 | 6 | July 16, Wed | July 20, Sun |
| Fri, July 11 | 6 | July 17, Thu | July 21, Mon |
| Sat, July 12 | 6 | July 18, Fri | July 22, Tue |
| Sun, July 13 | 5 | July 18, Fri | July 23, Wed |
| Mon, July 14 | 5 | July 19, Sat | July 24, Thu |
| Tue, July 15 | 5 | July 20, Sun | July 26, Sat |
| Wed, July 16 | 5 | July 21, Mon | July 27, Sun |
| Thu, July 17 | 5 | July 22, Tue | July 28, Mon |
| Fri, July 18 | 5 | July 23, Wed | July 30, Wed |
| Sat, July 19 | 6 | July 25, Fri | July 31, Thu |
| Sun, July 20 | 7 | July 27, Sun | August 1, Fri |
| Mon, July 21 | 7 | July 28, Mon | August 3, Sun |
| Tue, July 22 | 7 | July 29, Tue | August 4, Mon |
| Wed, July 23 | 7 | July 30, Wed | August 4, Mon |
| Thu, July 24 | 7 | July 31, Thu | August 6, Wed |
| Fri, July 25 | 6 | July 31, Thu | August 7, Thu |
| Sat, July 26 | 6 | August 1, Fri | August 9, Sat |
| Sun, July 27 | 6 | August 2, Sat | August 10, Sun |
| Mon, July 28 | 6 | August 3, Sun | August 12, Tue |
| Tue, July 29 | 6 | August 4, Mon | August 14, Thu |
| Wed, July 30 | 7 | August 6, Wed | August 15, Fri |
| Thu, July 31 | 8 | August 8, Fri | No more ERM scouting |
| Fri, August 1 | 9 | August 10, Sun | ERM scouting finished. |
| Sat, August 2 | 9 | August 11, Mon | |
| Sun, August 3 | 9 | August 12, Tue | |
| Mon, August 4 | 10 | August 14, Thu | |
| Tue, August 5 | August 15, Fri | ||
| Wed, August 6 | ERM scouting finished. | ||
| Thu, August 7 | |||
| Fri, August 8 | |||
| Sat, August 9 | |||
| Sun, August 10 | |||
| Mon, August 11 | |||