Tomato Leaf Mold Diseases August 16, 2018 - From Issue: 649 By: Dan Egel Read More In the fall of 2015, I wrote an article for the Hotline about Cercospora leaf mold of tomato since this disease had been observed twice in the 2015 season. I[Read More…] Article Categories: Solanaceous Crops Tomato Article Tags: Plant Disease Management
Cercospora blight of Aspragus August 16, 2018 - From Issue: 649 By: Dan Egel Read More This disease was confirmed in Indiana recently. Cercospora blight initially causes small, oval, gray to tan lesions with red borders (Figure 1). If a 10X hand lens is used, dark[Read More…] Article Tags: Plant Disease Management
Cucurbit Downy Mildew August 7, 2018 - From Issue: 649 By: Dan Egel Read More Cucurbit downy mildew has been observed on cucumber in La Porte County and LaGrange Counties, Indiana. Downy mildew of cucurbits has also been reported in southern and central Kentucky. All[Read More…] Article Categories: Cucurbits Article Tags: Plant Disease Management
Spray Pressure and Nozzle Type August 2, 2018 - From Issue: 648 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
10 Useful Rules for Fungicide Applications August 2, 2018 - From Issue: 648 By: Dan Egel Since there is an article about the application of insecticides in this issue, below I list 10 rules that will help vegetable growers apply fungicides effectively and safely. Apply fungicides[Read More…] Article Categories: Vegetable Crops – General Article Tags: Plant Disease Management
Bacterial Spot of Tomato July 19, 2018 - From Issue: 647 By: Dan Egel Read More Bacterial spot of tomato has been observed across Indiana this summer. Leaf spots are usually 1/16 inch, and dark. Where lesions are numerous upon a leaf, the tissue may be[Read More…] Article Categories: Solanaceous Crops Tomato Article Tags: Plant Disease Management
Not All the Watermelon and Cantaloupe Leaf Symptoms are caused by Pests July 18, 2018 - From Issue: 647 By: Wenjing Guan and Dan Egel Read More Watermelon harvest is in full swing in southern Indiana. At this time, we frequently see many types of leaf symptoms. Some of them are caused by foliar diseases, such as[Read More…] Article Categories: Cantaloupe Watermelon Article Tags: Crop Culture
Powdery Mildew of Cucurbits July 5, 2018 - From Issue: 646 By: Dan Egel Read More Powdery mildew is a common disease of cucurbits in Indiana. This disease is more common on cantaloupe and pumpkin. However, we have observed powdery mildew more frequently on watermelon in[Read More…] Article Categories: Cucurbits Article Tags: Plant Disease Management
Spider Mites on Cucurbit Crops July 5, 2018 - From Issue: 646 By: Laura Ingwell, Rick Foster and Dan Egel Read More Despite the wet start to the summer that we are experiencing, we have some growers reporting spider mites in field watermelons (Figure 1). This pest is typically associated with hot,[Read More…] Article Categories: Cucurbits Article Tags: Insect and Mite Management
Black Root Rot of Watermelon June 21, 2018 - From Issue: 645 By: Dan Egel Read More The wilted and dead leaves of the watermelon transplants in Figure 1 could have several causes. Above ground symptoms such as wilts and leaf death may be caused by problems[Read More…]
