June 17 IPM Conference Call Summary

John’s Updates
1. John is not seeing many mite problems this season
2. White apple leaf hopper and potato leaf hopper numbers are low
3. Aphid numbers are low
4. In orchards with young tees, borer traps should be out
5. It is time to put out apple maggot traps. Orchards affected by hail should use baited traps.
1. Utility of MSU Fruit Crop Advisory Team Alert newsletter (can be found at http://www.ipm.msu.edu/fruit-cat.htm)
2. Thought provoking nature of “The Apple Grower: A Guide for the Organic Orchardist” by Michael Phillips (can be found at http://www.herbsandapples.com/books/grower.php)
3. Using Aliette on young trees to manage Phytophthora
4. Watching for OBLR
5. Deciding when and if to cut back on or eliminate fungicide sprays after primary scab season
6. Managing scab infections: antisporulants, etc.
7. Deciding whether to spray part or all of an orchard with uneven CM trap counts
8. Stickers: when they could be useful
9. A possible reason to extend spray intervals for Assail/Rimon
10. Timing of CM sprays
If you would like to hear the call recording, dial (641) 715-3436, then enter the access code: 516817. You will be able to hear the recording on the telephone until it is replaced by the next week’s call. You can also hear this recording anytime by downloading the audio file below.

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