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
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
Tomato Disease Update June 8, 2018 - From Issue: 644 By: Dan Egel Read More Below, I will briefly discuss a few of the diseases that I have observed on tomatoes recently. Powdery mildew of tomato – Powdery mildew of tomato is not usually a[Read More…] Article Categories: Solanaceous Crops Tomato Article Tags: Plant Disease Management
MELCAST 2018 May 24, 2018 - From Issue: 643 By: Dan Egel Read More MELCAST is a weather-based disease-forecasting program that helps growers schedule foliar fungicides. MELCAST stands for MELon disease forCASTer. This program, designed by Dr. Rick Latin, Professor of Plant Pathology at[Read More…] Article Categories: Cantaloupe Watermelon Article Tags: Plant Disease Management
Tomato Lesion Primer April 26, 2018 - From Issue: 641 By: Dan Egel Read More I recently encountered some lesions of Tomato Spotted Wilt Virus (TSWV) that appeared relatively large and had a ring-like structure. I was able to confirm the presence of the virus,[Read More…] Article Categories: Solanaceous Crops Tomato Article Tags: Plant Disease Management
