Gummy Stem Blight Fungicides February 16, 2022 - From Issue: 699 By: Dan Egel Read More 3Gummy stem blight is an important disease of cucurbits in the Midwest. Gummy stem blight can cause lesions on leaves and stems of cantaloupe, watermelon and other cucurbits. Fruit lesions[Read More…] Article Categories: Cucurbits Article Tags: Plant Disease Management
Pesticide Information for 2022 February 16, 2022 - From Issue: 699 By: Dan Egel As vegetable growers get ready for the 2022 season, one question might be to find up-to-date information about fungicides and how to apply them. Some possible resources are listed below.[Read More…] Article Categories: Vegetable Crops – General Article Tags: Plant Disease Management
Two Diseases of Spaghetti Squash October 21, 2021 - From Issue: 698 By: Dan Egel Read More The photo here (Figure 1) shows a spaghetti squash with many lesions on the fruit. At first glance, it may seem to be several lesions of different sizes. However, if[Read More…] Article Categories: Cucurbits Squash Article Tags: Plant Disease Management
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
