- Asparagus rust has been reported. All growers with nursery, 1-, or 2 yr-old plantings should scout regularly and apply a protectant fungicide if one hasn’t initiated fungicide program to date.
- Bacterial leaf spot in pepper has been reported in southern New Jersey.
- Cucurbit downy mildew has been confirmed on cucumber in New Jersey. All cucurbit growers need to scout on a regular basis. All cucumber growers need to add a downy mildew-specific fungicide to their weekly fungicide programs. There have been no reports of downy mildew in other cucurbit crops in New Jersey to date.
- Reports of Dickeya dianthicola in additional potato varieties continue across the east coast. Dickeya dianthicola has been confirmed in 11 states to date on potato seed originating from Maine and New Brunswick, Canada this growing season. All potato growers are encouraged to scout fields and report any suspect plants/tubers. The best method for keeping your potato operation Dickeya-free is to adopt your own 0% Dickeya-tolerance policy.
July 24, 2016