Basil Downy Mildew
Symptoms of downy mildew on infected Sweet basil leaf.
Basil downy mildew sporulating on the bottom side of an infected leaf.
(Note the purplish-brown spore masses)
Search Results for: basil downy mildew
June 9, 2014 Andy Wyenandt
Vegetable Disease of the Week
June 9, 2014 Andy Wyenandt
Vegetable Disease Briefs 6-9-14
- No basil downy mildew has been reported in the field to date in New Jersey. However, with current weather conditions expected all week, all basil growers should consider scouting on a daily basis and consider taking appropriate preventative measures.
- Cucurbit downy mildew has been reported on cucumber as far north as central North Carolina as of 6/9. To track cucurbit downy mildew in the US please visit http://cdm.ipmpipe.org/
- No late blight has been reported in the region and has only been found as far north as central Florida to-date. To track late blight in the US please visit http://usablight.org/.
- P-days for the first application for Early blight control in potato are quickly approaching the 300 threshold.
- The rainy and wet conditions expected most of this week make it ideal conditions for the spread of bacterial diseases in tomatoes and peppers. Take measures to avoid working in fields (i.e., staking and tying) when leaves are wet. Remember, the process of staking and tying creates wounds on leaves and stems which allow entry points for bacteria (and fungi) to enter the plant.
September 27, 2013 Andy Wyenandt
Vegetable Disease Briefs – 9/28/13
Basil downy mildew remains active. The weather this time of year is ideal for downy mildew development across many crops. Growers should remain diligent going into the fall with regular scouting and preventative fungicide applications. [Read more…]
September 12, 2013 Andy Wyenandt
Vegetable Disease Briefs – 9/13/13
There have been no new reports of Late blight.
Downy mildew has been found in turnip greens this past week. The expected rainfall and cooler temperatures to follow in the upcoming week make conditions favorable for downy mildew development across many crops.
Asparagus – Summer foliar diseases in Asparagus have been reported. With the cooler weather and all the rain we’ve have been experiencing on and off all summer disease pressure in asparagus is higher than normal. See article from 9/4/13 for more information.
Basil downy mildew remains active – All basil growers should scout on a daily basis and should add a labeled downy mildew specific fungicide to their weekly fungicide program. Phosphite fungicides (FRAC code 33), such as Prophyt, K-Phite, and Rampart have shown the best efficacy in trials at RAREC. Actinovate (OMRI- approved) is also labeled for downy mildew control. Please remember, all abandoned basil fields should be worked 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.
Cucurbit downy mildew and powdery mildew remains active in New Jersey.
September 4, 2013 Andy Wyenandt
Vegetable Disease Brief – 9/4/13
There have been no new reports of Late blight.
Asparagus – Summer foliar diseases in Asparagus have been reported. With the cooler weather and all the rain we’ve have been experiencing on and off all summer disease pressure in asparagus is higher than normal (see article). [Read more…]
July 28, 2013 Wes Kline
RAREC Vegetable Twilight and Research Tour
For Commercial Vegetable Growers
Date: Tuesday, August 20, at 5:30 pm
Location: RAREC
121 Northville Road, Bridgeton, NJ (Upper Deerfield)
- Investigator Presentations and Research Plot Tours
- Bring your plant insect, disease, or weed samples for identification
- Pesticide recertification credits
