Petal Fall - June mite scouting frequency

Background Information for this page
Return to radar list for Nashua NH
Weather data for Nashua NH.  Forecast values begin August 13, 2009
     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 11
8  May 19, Tue
Tue, May 12   11  May 23, Sat
Wed, May 13   10  May 23, Sat
Thu, May 14   10  May 24, Sun
Fri, May 15   10  May 25, Mon
Sat, May 16   10  May 26, Tue
Sun, May 17   12  May 29, Fri
Mon, May 18   12  May 30, Sat
Tue, May 19   11  May 30, Sat
Wed, May 20   12  June 1, Mon
Thu, May 21   14  June 4, Thu
Fri, May 22   15  June 6, Sat
Sat, May 23   15  June 7, Sun
Sun, May 24   15  June 8, Mon
Mon, May 25   15  June 9, Tue
Tue, May 26   15  June 10, Wed
Wed, May 27   14  June 10, Wed
Thu, May 28   13  June 10, Wed
Fri, May 29   13  June 11, Thu
Sat, May 30   13  June 12, Fri
Sun, May 31   13  June 13, Sat
Mon, June 1   12  June 13, Sat
Tue, June 2   11  June 13, Sat
Wed, June 3   10  June 13, Sat
Thu, June 4   9  June 13, Sat
Fri, June 5   8  June 13, Sat
Sat, June 6   7  June 13, Sat
Sun, June 7   13  June 20, Sat
Mon, June 8   13  June 21, Sun
Tue, June 9   13  June 22, Mon
Wed, June 10   12  June 22, Mon
Thu, June 11   12  June 23, Tue
Fri, June 12   12  June 24, Wed
Sat, June 13   12  June 25, Thu
Sun, June 14   11  June 25, Thu
Mon, June 15   11  June 26, Fri
Tue, June 16   10  June 26, Fri
Wed, June 17   10  June 27, Sat
Thu, June 18   9  June 27, Sat
Fri, June 19   9  June 28, Sun
Sat, June 20   9  June 29, Mon
Sun, June 21   9  June 30, Tue
Mon, June 22   9  July 1, Wed
Tue, June 23   10  July 3, Fri
Wed, June 24   10  July 4, Sat
Thu, June 25   9  July 4, Sat
Fri, June 26   10  July 6, Mon
Sat, June 27   11  July 8, Wed
Sun, June 28   11  July 9, Thu
Mon, June 29   11  July 10, Fri
Tue, June 30   11  July 11, Sat