MSU’s spore trapping and alert system has wrapped up for the season. The recent cooler temperatures have slowed down fruit development in zucchini and cucumbers which increases the time of exposure to Phytophthora. Hausbeck’s vegetable pathology program at MSU has developed Cucurbit disease fact sheets that are regularly updated to include recommended fungicides that are effective against these destructive pathogens.
Pumpkins are ripening early for many growers. Maintain powdery mildew and Plectosporium protection.