|Ripening Redhaven peach: Bright sunny weather reduces brown rot pressure in the pre-harvest period|
|But the blemishes form scab lesions are an indicator of earlier season disease pressures. The incubation period for scab infection to appear can be as long as 6-7 weeks, sometimes leading to the question "Where did this come from?"|
Earlier rot activity is showing up as bitter rot and other rots on Honeycrisp apples, and this brings reminders that anything that causes injury such as Japanese beetle, will increase the possibility of rot activity, especially as sugar levels increase.
As of the Monday morning, July 27, accumulated wetting hours (ACW) at the AREC are related to elevation: at 909 ft elevation, 687 hr; at 952 ft elevation, 486 hr; and at the 983 ft elevation 444 hr ACW.
At Tyro, in Nelson County, total ACW as of Monday morning, July 27, were: at 941 ft elevation, 595 ACW; at 1165 ft, 311 ACW; and at 1465 ft, 354 (with the 250-hr threshold reached July 5).