Kate Everts, Vegetable Pathologist, University of Delaware and University of Maryland; keverts@umd.edu
The following is a brief overview of some of the changes and updates to the Commercial Vegetable Recommendation Guide (CVRG) by the extension plant pathology team for 2015. Some additions to CVRG represent newly registered products and others were added because recent trial data indicated that they were effective. This summary is not comprehensive, please review the CVRG for additional recommendations. Also there are many other products that have been in the CVRG for many years and are still effective. Remember to follow all label safety guidelines, rates, resistance management guidelines, and tank mix incompatibilities
Beans (snap and lima)
• Ranman and Omega are included in the CVRG for lima bean downy mildew.
- Ranman has been added for cottony leak.
- Quilt Xcel and Azoxystrobin are recommended for anthracnose, web blight, and common snap bean rust.
- Azoxystrobin is recommended for root rot and Southern blight.
- Blocker 4F is recommended for Alternaria root/stem rot.
Cucurbits (squash, muskmelon, pumpkin, watermelon, cucumber)
• Fontelis is recommended for gummy stem blight, powdery mildew, Sclerotinia stem rot.
- Luna Experience and Proline are recommended for gummy stem blight and powdery mildew on watermelon.
- Proline has been added to the recommendation to manage Fusarium wilt in muskmelon and watermelon.
- Uniform is recommended for damping off on all above listed cucurbits.
- Forum is recommended for downy mildew on pumpkin.
Tomato
• Inspire Super is included in the recommendations for foliar pathogens (Septoria leaf spot, early blight) and fruit rots (early blight, anthracnose).
- Inspire Super was added for control of powdery mildew.
- Blocker 4F is now recommended for Southern blight.
Lettuce
• Fontelis and Merivon are recommended for leaf spots (Septoria, Cercospora and anthracnose.)
- Merivon is added for suppression of gray mold.
Sweet corn
• Prosaro, and Aproach are recommended for leaf spots and blights plus rust.
Pepper
• Azoxystrobin is recommended for Southern blight and damping-off.
- Blocker 4F is recommended for Southern blight.
Spinach
• Pristine and Merivon are now recommended for leaf spot and anthracnose.