Organic Apple Grower’s Hour: May 29 Summary

Participants: (11 total) Bill Wright, Green Bay, WI; Tom Galazen, Bayfield, WI; Sam Atkins, Bayfield, WI; Ken Mandley, Turtle Lake, WI; Deirdre Birmingham, Mineral Point, WI; Doug Waples, Soldier, IA; Harry Hoch, La Crescent, MN; Jim Lindemann, McFarland, WI; Lisa DiPietro, Madison, WI; Michael Phillips, Groveton, NH; one grower did not announce their name.
Discussion topics:

1. Tree phenology and weather in the Midwest/Northeast
2. Altered relationship between tree phenolgy and insect phenology due to cool spring
3. An unexpected change in Michael’s scab management plan
4. Connections for monitoring insect events and IPM advice (see below)
5. Managing potato leaf hopper
6. Biological mowing: optimal times and methods
7. Managing moths: granulosis virus, Entrust, etc.
8. USDA study on pesticide use in both conventional and organic apples
9. Michaels cost per acre on spray materials
10. PC management strategies: azadirachtin, Surround, Pyganic, etc.
11. Sulfur predicted to be possibly limited/more expensive next year
12. Post-infection activity of lime sulfur
13. Managing tent caterpillars: manual removal, BT, etc.
A note from Michael: We mentioned a few connections for monitoring insect events and IPM advice (which often includes some “organic nuggets” to the discerning reader) in the talk today. Here are the web links, with additional contributions from Deirdre:
Scaffolds, Cornell’s apple newsletter
Fruit CAT Alert from Michigan
EnviroWeather (scab tracking)
Wisconsin Pest Bulletin (click Fruits)
Illinois Fruit and Vegetable Bulletin
If you would like to hear the call recording, dial (712) 432-1284, then enter this access code: 868736. Each week’s recording will be available until it is erased by the following week’s call. You can also download the call below.

Download the call