Susceptibility of Melon Varieties to Bacterial Wilt April 5, 2019 - From Issue: 655 By: Dan Egel, Wenjing Guan and Laura Ingwell Read More Bacterial wilt is a serious pest of cucumbers and melons. This disease is caused by the bacterium, Erwinia tracheiphila. However, it is spread by the striped or spotted cucumber beetle.[Read More…] Article Categories: Cucurbits Cantaloupe Article Tags: Plant Disease Management
New Disease Report – Charcoal Rot of Cucumber October 24, 2018 - From Issue: 652 By: Dan Egel Read More This disease was identified on a long Asian cucumber growing in a high tunnel in Mid-June in Knox County. The first symptom noted was wilting of the cucumber plant. Upon[Read More…] Article Categories: Cucurbits Cucumbers Article Tags: Greenhouses & High Tunnels Plant Disease Management
New Disease Report – Target Spot of Tomato October 24, 2018 - From Issue: 652 By: Dan Egel Read More The following two articles describe two vegetable diseases new to Indiana that were recorded this past season. While neither of the disease reports are from severe outbreaks, it might be[Read More…] Article Categories: Solanaceous Crops Tomato Article Tags: Greenhouses & High Tunnels Plant Disease Management
Late Season Pumpkin Disease Management September 20, 2018 - From Issue: 651 By: Dan Egel Read More Several pumpkin growers have asked me when to stop managing for pumpkin diseases. That is, when should a pumpkin grower stop applying fungicides? I cannot provide a definitive answer for this question;[Read More…] Article Categories: Cucurbits Pumpkins Article Tags: Plant Disease Management
Plectosporium Blight of Pumpkins August 30, 2018 - From Issue: 650 By: Dan Egel Read More Before writing this article, I went back to an old article from 2015. In 2015, I had written, Plectosporium blight was more severe than normal. In 2018, I have also[Read More…] Article Categories: Cucurbits Pumpkins Article Tags: Plant Disease Management
Downy Mildew Update August 30, 2018 - From Issue: 650 By: Dan Egel Cucurbit downy mildew has been observed on cucumber in LaPorte County and LaGrange Counties, in northern Indiana and Knox County in the southwest. Downy mildew of cucurbits has also been[Read More…] Article Categories: Cucurbits Article Tags: Plant Disease Management
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
