Early-Season Disease Issues and Management
– with Patty McManus, Plant Pathologist at UW-Madison
Topics
- Weather update: looking at the cycle of temps over the past few months
- Technicalities about the scab management model: timing when to start
- Early-year fungicide applications
– In rainy conditions, is a half-rate enough?
– Do applications rates vary by type of mixture (protectant+eradicant vs. protectant only)? - Using oil in early EBDC sprays: does oil aid in distribution?
- If you’re doing applications post-infestation, should you tank-mix three materials to combat the infestation?
- What are the benefits and drawbacks of Strobilurins?
- On scouting for scab lesions: understanding scab incubation periods and spotting techniques
- Is scab able to develop resistance faster now than it was in the past?
- Spraying intervals in rainy conditions
- Powdery mildew: stages, management
- Sterile inhibitor fungicides: benefits and uses against powdery mildew
- The FruitCat news service as a source of information — new posts every Tuesday afternoon
- A new threat: Scouting for the apple flea weevil
– Background and techniques - Determining correct application rates and concentrations
- European Red Mite eggs management with oil in early season
- Where do you get pest and disease histories for different geographical areas?
- Scouting guides:
MSU Publications Page
IPM Scouting Handbook for Apples.
MSU Scouting in Apples DVD — 90-minute video.
MOSES Links to Resources — see “Pest Management – General” for a detailed list of resources. - Insects to keep an eye out for in the coming weeks.
- Announcement about the May 4 Eco-Apple Field Day. Find information here.
Download the April 26 recording here:
Get the MP3 version or the WAV version.
To hear the most recent call recording over the phone:
- Dial: 218-844-0950, then enter this access code: 516817
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Next call will be on Tuesday, May 3 at 8am Central Time! Make sure to send John your questions at (or, if you can’t email, call at 608-604-0234) by Monday of next week.
