College of Food, Agricultural, and Environmental Sciences
By: Melanie L. Lewis Ivey, OSU-Plant Pathology
Once grape clusters reach pea-size, growers may be tempted to relax downy mildew management because the berries themselves are resistant to new infection (referred to as ontogenic or age-related resistance). But when the forecast includes rain, day after day, downy mildew deserves continued attention.
By Melanie L. Lewis Ivey, Associate Professor, Extension Fruit Pathologist, Department of Plant Pathology
By: Erdal Ozkan, Professor, Extension Pesticide Application Technology Specialist, FABE-OSU
By: Maria Smith, HCS-OSU
By: Melanie L. Lewis Ivey, Associate Professor, Extension Fruit Pathologist, Department of Plant Pathology
This article can be found in the January 2024 issue of Ohio Fruit News.
***This factsheet can be found on Ohioline at https://ohioline.osu.edu/factsheet/plpath-fru-0052 or as a printable PDF online via the OSU Buckeye Appellation or Fruit Pathology websites.***
By: Melanie L. Lewis Ivey, Associate Professor, Department of Plant Pathology, OSU CFAES-Wooster Campus
Ripe Rot of Grape
By: Melanie Lewis Ivey, Assistant Professor, Extension Fruit Pathologist, Department of Plant Pathology
