Bacterial Canker of Tomato September 15, 2021 - From Issues: 697 / 725 By: Dan Egel Read More Bacterial canker has been observed in late season tomato crops. This article will serve as a review of this important disease. The symptoms of bacterial canker vary considerably. In most[Read More…] Article Categories: Solanaceous Crops Tomato Article Tags: Plant Disease Management
Tomato Leaf Mold Diseases August 25, 2021 - From Issue: 696 By: Dan Egel Read More In 2015 and 2018, I observed Cercospora leaf mold of tomato in high tunnel operations. In Hotline articles in those years, I noted that Cercospora leaf mold is normally a[Read More…] Article Categories: Solanaceous Crops Tomato Article Tags: Plant Disease Management
Resources for Biopesticides for Vegetable Disease Management August 24, 2021 - From Issue: 696 By: Wenjing Guan Dr. Margaret McGrath’s lab from Cornell University has developed a great resource for growers interested in using biopesticides to manage vegetable diseases. https://www.vegetables.cornell.edu/ipm/diseases/biopesticides/ This article provides a general introduction of[Read More…] Article Tags: Plant Disease Management
Downy mildew of Pumpkin: What to Look for August 12, 2021 - From Issue: 695 By: Dan Egel Read More Downy mildew of cucumbers has been observed in Knox County. This disease has not been observed on pumpkins, but it is possible for downy mildew to spread from cucumbers to[Read More…] Article Categories: Cucurbits Pumpkins Article Tags: Plant Disease Management
Yellow Leaves on Pumpkin August 11, 2021 - From Issue: 695 By: Dan Egel Read More In the last several days I have received complaints of pumpkin plants with yellow leaves. Growers want to know if the yellow is a symptom of disease and what can[Read More…] Article Categories: Cucurbits Pumpkins Article Tags: Climate and Weather Crop Culture Plant Disease Management
Cucumber Downy Mildew Found in Indiana July 28, 2021 - From Issue: 694 By: Dan Egel Downy mildew has been observed in Knox County on cucumber. In addition, downy mildew on cucumber has been reported in central Michigan on cucumber and central and northern Ohio on[Read More…] Article Categories: Cucurbits Article Tags: Plant Disease Management
Foliar Diseases of Tomato July 15, 2021 - From Issue: 693 By: Dan Egel Read More Listed below are select foliar diseases of tomato. Early blight and Septoria leaf blight These diseases are listed together because, from a few paces away, the diseases appear similar. And[Read More…] Article Categories: Solanaceous Crops Tomato Article Tags: Plant Disease Management
Spray Pressure, Nozzle Type and Vegetable Disease June 3, 2021 - From Issue: 690 By: Dan Egel Many years ago, I was told that to successfully use fungicides on vegetables, one must use high spray pressures and hollow cone nozzles. However, I had trouble finding any research[Read More…] Article Categories: Vegetable Crops – General Article Tags: Plant Disease Management
Pumpkin Resources May 19, 2021 - From Issue: 689 By: Wenjing Guan Pumpkin planting is right around the corner. The recent Vegetable Beet Podcast produced by Great Lakes Vegetable Producers Network featured Brad Bergefurd from The Ohio State University and Nathan Johanning[Read More…] Article Categories: Cucurbits Pumpkins Article Tags: Crop Culture Plant Disease Management
Cantaloupe and Watermelon Transplant Diseases May 5, 2021 - From Issue: 688 By: Dan Egel Read More Many cantaloupe and watermelon growers are either growing transplants in a greenhouse or are expecting delivery of transplants in the next few weeks. Either way, growers should inspect transplants for[Read More…] Article Categories: Cantaloupe Watermelon Article Tags: Plant Disease Management