- Cucurbit downy mildew has been confirmed on cucumber in Warren County in northern NJ. This is the second report in the state this growing season. All cucumber growers should scout their fields on a regular basis and consider adding a downy mildew specific fungicide to their weekly maintenance sprays. CDM has been reported in cantaloupe in MD this past week, and in acorn, summer squash, watermelon and butternut squash as far north as North Carolina to date.
- The 2018 FRAC Table for Cucurbit Downy and Powdery Mildew Control in the mid-Atlantic Region can be found and downloaded for FREE here.
- There have been no new reports of late blight in the region.
- Cucurbit powdery mildew is being reported.
- Basil downy mildew is being reported. For more information on Rutgers newly-released DMR sweet basils Obsession, Devotion, and Thunderstruck please click here.
- Bacterial leaf spot and Phytophthora blight have been reported in pepper.
July 23, 2018 Andy Wyenandt
Vegetable Disease Update – 7/23/18
July 13, 2018 Andy Wyenandt
Vegetable Disease Update – 7/13/18
- Cucurbit downy mildew has been confirmed on cucumber in Warren County in northern NJ. This is the second report in the state this growing season. All cucumber growers should scout their fields on a regular basis and consider adding a downy mildew specific fungicide to their weekly maintenance sprays. CDM has been reported in cantaloupe, acorn, summer squash, and watermelon as far north as South Carolina, and butternut squash as far north as North Carolina.
- The 2018 FRAC Table for Cucurbit Downy and Powdery Mildew Control in the mid-Atlantic Region can be found and downloaded for FREE here.
- There have been no new reports of late blight in the region.
- Bacterial leaf spot and Phytophthora blight have been confirmed in pepper.
- Remember, copper applications when temperatures and relative humidity are above 90 may cause phytotoxicity in some crops.
July 3, 2018 Andy Wyenandt
Vegetable Disease Update – 7/3/18
- Cucurbit downy mildew has been confirmed on cucumber in southern NJ this week. This is the first report in the state this growing season. All cucumber growers should scout their fields on a regular basis and consider adding a downy mildew specific fungicide to their weekly maintenance sprays.
- The 2018 FRAC Table for Cucurbit Downy and Powdery Mildew Control in the mid-Atlantic Region can be found and downloaded for FREE here.
- There have been no new reports of late blight in the region.
- Basil downy mildew has been reported in retail pots and in fields in southern New Jersey.
- Bacterial leaf spot and Phytophthora blight have been confirmed in pepper.
- Cercospora leaf spot was found on fenugreek this past week.
- The extremely hot, dry weather this past week should help mitigate diseases such as downy mildew. Remember, copper applications when temperatures and relative humidity are above 90 may cause phytotoxicity in some crops.
July 2, 2018 Andy Wyenandt
Cucurbit Downy Mildew ALERT – 7/2/18
Cucurbit downy mildew was confirmed on cucumber near Pedricktown in Salem County, New Jersey on 7/2/18. This is the first report of CDM in New Jersey this growing season. All cucumber growers are encouraged to add downy mildew specific fungicides to their weekly maintenance spray programs. All growers should scout cucumber plantings as well as all other cucurbit crops for symptoms. To track the progress of cucurbit downy mildew in the US through the CDMpipe website through NCSU please click here.
June 15, 2018 Andy Wyenandt
Cucurbit Downy Mildew ALERT – 6/22/18
Cucurbit downy mildew was confirmed on cucumber in Dorchester County, Maryland on 6/21/18. This is the first report of CDM in the mid-Atlantic region this growing season. All cucumber growers are encouraged to add downy mildew specific fungicides to their weekly maintenance spray programs. All growers should scout cucumber plantings as well as all other cucurbit crops for symptoms. To track the progress of cucurbit downy mildew in the US through the CDMpipe website through NCSU please click here.
June 14, 2018 Andy Wyenandt
Vegetable Disease Update – 6/14/18
- Dickeya dianthicola has been confirmed on ‘Norwis’ potato in New Jersey from seed originating from Prince Edward Island. This is the first report of Dickeya on potato in NJ this growing season. All potato growers should continue to scout their fields on a regular basis. Please contact your county agent if you find suspect plants.
- Pectobacterium spp. has been confirmed in southern NJ in ‘Dark Red Norland’ potato originating from P.E.I and in ‘Atlantic’ originating from Maine.
- Late blight was reported on tomato being sold as transplants in a retail operation last week near northeast Philadelphia. There has been no new information to date. Growers of tomato and potato should continue with their regular fungicide maintenance programs.
- Basil downy mildew was reported in potted basil being sold at a retail location in southern New Jersey.
- Bacterial leaf spot has been confirmed in pepper.
