Petal Fall - June mite scouting frequency

Background Information for this page
Return to radar list for Middletown RI
Weather data for Middletown RI.  Forecast values begin July 30, 2010
     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 2nd generation eggs (date marked in green font), 3rd generation eggs (red font), and 4th generation eggs (blue font).  The 3rd and 4th generation egglaying start dates may be in July.
     See Background page for definition of "below threshold".
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"
95% McIntosh Petal Fall
Mon, May 3
17  May 20, Thu
Tue, May 4   16  May 20, Thu
Wed, May 5   15  May 20, Thu
Thu, May 6   14  May 20, Thu
Fri, May 7   13  May 20, Thu
Sat, May 8   12  May 20, Thu
Sun, May 9   11  May 20, Thu
Mon, May 10   10  May 20, Thu
Tue, May 11   9  May 20, Thu
Wed, May 12   8  May 20, Thu
Thu, May 13   13  May 26, Wed
Fri, May 14   13  May 27, Thu
Sat, May 15   13  May 28, Fri
Sun, May 16   13  May 29, Sat
Mon, May 17   13  May 30, Sun
Tue, May 18   12  May 30, Sun
Wed, May 19   11  May 30, Sun
Thu, May 20   11  May 31, Mon
Fri, May 21   11  June 1, Tue
Sat, May 22   11  June 2, Wed
Sun, May 23   11  June 3, Thu
Mon, May 24   11  June 4, Fri
Tue, May 25   11  June 5, Sat
Wed, May 26   11  June 6, Sun
Thu, May 27   11  June 7, Mon
Fri, May 28   10  June 7, Mon
Sat, May 29   10  June 8, Tue
Sun, May 30   9  June 8, Tue
Mon, May 31   8  June 8, Tue
Tue, June 1   7  June 8, Tue
Wed, June 2   12  June 14, Mon
Thu, June 3   12  June 15, Tue
Fri, June 4   12  June 16, Wed
Sat, June 5   12  June 17, Thu
Sun, June 6   12  June 18, Fri
Mon, June 7   12  June 19, Sat
Tue, June 8   12  June 20, Sun
Wed, June 9   11  June 20, Sun
Thu, June 10   11  June 21, Mon
Fri, June 11   10  June 21, Mon
Sat, June 12   9  June 21, Mon
Sun, June 13   9  June 22, Tue
Mon, June 14   8  June 22, Tue
Tue, June 15   8  June 23, Wed
Wed, June 16   7  June 23, Wed
Thu, June 17   7  June 24, Thu
Fri, June 18   6  June 24, Thu
Sat, June 19   6  June 25, Fri
Sun, June 20   6  June 26, Sat
Mon, June 21   6  June 27, Sun
Tue, June 22   6  June 28, Mon
Wed, June 23   5  June 28, Mon
Thu, June 24   4  June 28, Mon
Fri, June 25   7  July 2, Fri
Sat, June 26   7  July 3, Sat
Sun, June 27   7  July 4, Sun