Please expect an Apple Disease Update tomorrow, Aug. 11, 2021. I've had some inquiries regarding the length of time to continue spraying for Glomerella leaf spot after harvest. My plan today was to sample symptomatic leaves on trees and on the ground to evaluate ascopore maturity, but unfortunately, there was a sprayer in the orchard when I arrived. Stay tuned. In regards to fungicides this week, please follow guidelines from the past two blog posts:
Apple Disease Update August 10, 2021
(Updated: Aug. 10, 2021, 10:49 a.m.)
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