The wet weather we have seen in some areas has caused perfect conditions for the formation of brown rot on stone fruits such as peaches and plums. Affected fruit develop a gray to brown, fuzzy growth on the fruit, itself, which may rot in as little as a day or two. It is best to start treating fruit about a month before harvest. My peach varieties often ripen in early August but other varieties may be ready for harvest earlier. Fruit that shows symptoms cannot be saved but should be destroyed to prevent further spread.
Use Captan or myclobutanil (Immunox or F-Stop Lawn & Garden Fungicide) for control. Many fruit tree sprays contain Captan but check the label to be certain. Apply Captan or myclobutanil every 7 to 14 days. Both products can be applied up to the day of harvest. (Ward Upham)
Use Captan or myclobutanil (Immunox or F-Stop Lawn & Garden Fungicide) for control. Many fruit tree sprays contain Captan but check the label to be certain. Apply Captan or myclobutanil every 7 to 14 days. Both products can be applied up to the day of harvest. (Ward Upham)
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