Andy Wyenandt

This is an archive of Dr. Wyenandt's posts on the Plant and Pest Advisory.

RAREC Vegetable Twilight Meeting and Research Tour

Wednesday, August 22, 2018, 4:00 pm (meet at the shelter near the parking lot)

Rutgers Agricultural Research & Extension Center

121 Northville Rd., Bridgeton, NJ (Upper Deerfield)

Tomato tasting will be at the picnic shelter and the wagon tour will leave at 4:30 pm to visit the trials

Taste the new fresh market tomato breeding lines – Tom Orton, PhD, Specialist in Vegetables

Evaluation of Bell pepper varieties and breeding lines for Bacterial Leaf Spot and Phytophthora Blight Management – Wes Kline, PhD, County Agricultural Agent

Cover crop in watermelon, weed trials in cantaloupe, summer squash and cucumber – Thierry Besancon, PhD, Extension Weed Specialist for Specialty Crops

Basil downy mildew fungicide control trial – Andy Wyenandt, PhD, Specialist in Vegetable Pathology

Basil downy mildew variety trial featuring new Rutgers bred Varieties Devotion DMR, Obsession DMR, and Thunderstruck DMR – Andy Wyenandt, PhD, Specialist in Vegetable Pathology

Basil trial featuring an organic and conventional basil downy mildew control program with new Rutgers DMR lines vs downy mildew susceptible lines. – AJ Noto, Graduate Student, Department of Plant Biology

Basil downy mildew breeding and chilling tolerance trial update – Robert Mattera, Graduate Student, Department of Plant Biology

Sweet Corn demonstrating the differences/effectiveness of Non-Bt, Providence Bt, and Attribute II Bt varieties for resistance to Corn Earn Worm and Fall Army Worm – Joe Ingerson-Mahar, PhD, Vegetable IPM Coordinator

Evaluation of Yacon as a Potential New Specialty Crop for New Jersey Farmers – Rick VanVranken, Rutgers Cooperative Extension of Atlantic County and Peter Nitzsche, Rutgers Cooperative Extension of Morris County

Fresh market tomato breeding lines and tomato tasting – Tom Orton, PhD, Specialist in Vegetables

Pesticide Credits Available                                                                                          Units

10                        Demonstration & Research                                                                  2
1A                       Agricultural Plant                                                                                   10
PRIV                    Private Applicator Exam                                                                         10

Vegetable Disease Update – 8/3/18

  • Cucurbit downy mildew has been confirmed on cucumber, butternut squash, and pumpkin in NJ this growing season. Recent weather has been ideal for its development. All cucurbit 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.
  • Basil downy mildew is being reported. Recent weather has been ideal for its development. 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 and cucurbit crops.
  • Wind damage has been reported in eggplant, pepper, and cucurbit crops.

Cucurbit Downy Mildew ALERT – 7/31/18

Cucurbit downy mildew was confirmed on pumpkin near Bridgeton in Cumberland County, New Jersey on 7/31/18. This is the fourth report of CDM in New Jersey this growing season. All cucurbit growers are encouraged to add downy mildew specific fungicides to their weekly maintenance spray programs. The 2018 FRAC Table for Cucurbit Downy and Powdery Mildew Control in the mid-Atlantic Region can be found and downloaded for FREE here. All growers should scout fields on a regular basis. To track the progress of cucurbit downy mildew in the US through the CDMpipe website through NCSU please click here.

Cucurbit Downy Mildew ALERT – 7/25/18

Cucurbit downy mildew was confirmed on butternut squash near Bridgeton in Cumberland County, New Jersey on 7/25/18. This is the third report of CDM in New Jersey this growing season. All cucurbit growers are encouraged to add downy mildew specific fungicides to their weekly maintenance spray programs. The 2018 FRAC Table for Cucurbit Downy and Powdery Mildew Control in the mid-Atlantic Region can be found and downloaded for FREE here. All growers should scout fields on a regular basis. To track the progress of cucurbit downy mildew in the US through the CDMpipe website through NCSU please click here.

Vegetable Disease Update – 7/23/18

  • 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 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.

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.