Downy mildew has been confirmed on sweet basil near Vineland, NJ in Atlantic and Cumberland Counties. These are the first confirmed reports of basil downy mildew in New Jersey this year.
Crop(s) at risk: all basil in New Jersey and surrounding region.
Potential impact: Significant losses will occur if not controlled properly
What growers should do:
Control of downy mildew begins with regular scouting, recognizing symptoms and weekly protectant fungicide applications. Now that Downy mildew has been detected in NJ all basil growers should be scouting on a daily basis and should add a labeled downy mildew specific fungicide to their weekly fungicide program. Phosphite fungicides (FRAC code 33) have shown the best efficacy in trials at RAREC. Both ProPhyt and K-Phite have downy mildew labels under herbs. Actinovate (OMRI- approved) is also labeled for downy mildew control.
Please remember, all abandoned basil fields should be sprayed with gramoxone or disced under immediately after last harvest to kill the remaining foliage! Abandoned fields left unattended after use will only serve as a source of inoculum for other fields.
If you suspect basil downy mildew on your farm, please contact your county agent or Andy Wyenandt (856) 455-3100 ext 4144.
 | Read more Jersey Vegetable Crops Ag Updates @ Commercial Ag Updates on the Rutgers Plant & Pest Advisory |
Wednesday, July 20, 2011
Cucurbit downy mildew found on canteloupe in southern New Jersey
Found: Cucurbit downy mildew has been confirmed on cucumber and canteloupe in southern New Jersey.
Crop(s) at risk: all cucurbit crops in New Jersey.
Potential impact: Significant losses will occur if not controlled properly
What growers should do:
Control of downy mildew begins with regular scouting, recognizing symptoms and weekly preventative fungicide applications. Now that cucurbit downy mildew has been detected in a cucurbit crop other than cucumber, all cucurbit growers in the region should be scouting on a daily basis and applying downy mildew specific fungicides in their weekly maintenance programs.
All abandoned cucumber and summer squash fields should be sprayed with gramoxone or disced under immediately after last harvest to kill the foliage! Abandoned fields left unattended after use will only serve as a source of inoculum for other fields once downy mildew makes its way into our area.
Please see the 2011 Commercial Vegetable Recommendations Guide for specific fungicide recommendations
To track the progress of cucurbit downy mildew in the eastern US and to keep up with reports of Downy mildew from other states please visit North Carolina State University’s Cucurbit Downy Mildew Forecasting Center at http://www.ces.ncsu.edu/depts/pp/ cucurbit/.
If you suspect downy mildew on your farm, please contact your county agent or Andy Wyenandt (856) 455-3100 ext 4144.
Crop(s) at risk: all cucurbit crops in New Jersey.
Potential impact: Significant losses will occur if not controlled properly
What growers should do:
Control of downy mildew begins with regular scouting, recognizing symptoms and weekly preventative fungicide applications. Now that cucurbit downy mildew has been detected in a cucurbit crop other than cucumber, all cucurbit growers in the region should be scouting on a daily basis and applying downy mildew specific fungicides in their weekly maintenance programs.
All abandoned cucumber and summer squash fields should be sprayed with gramoxone or disced under immediately after last harvest to kill the foliage! Abandoned fields left unattended after use will only serve as a source of inoculum for other fields once downy mildew makes its way into our area.
Please see the 2011 Commercial Vegetable Recommendations Guide for specific fungicide recommendations
To track the progress of cucurbit downy mildew in the eastern US and to keep up with reports of Downy mildew from other states please visit North Carolina State University’s Cucurbit Downy Mildew Forecasting Center at http://www.ces.ncsu.edu/depts/pp/ cucurbit/.
If you suspect downy mildew on your farm, please contact your county agent or Andy Wyenandt (856) 455-3100 ext 4144.
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