MELCAST 2017 May 25, 2017 - From Issue: 628 By: Dan Egel Many cantaloupe and watermelon growers have transplanted seedlings to the field. Soon, these growers will have questions about what and when to apply fungicides. The article below in this issue of[Read More…] Article Categories: Cantaloupe Watermelon Article Tags: Plant Disease Management
Photos of Tomato Spotted Wilt and Impatiens Necrotic Spot Virus May 9, 2017 - From Issue: 627 By: Dan Egel Read More Tomato spotted wilt virus can cause stunting (Figure 1), necrotic ring spots (Figure 2), mottling (Figure 3) or chlorosis (Figure 4). In Figure 5, a pepper plant is shown with[Read More…] Article Categories: Peppers Tomato Article Tags: Plant Disease Management
Tips for Submitting Greenhouse Samples to the Purdue Plant and Pest Diagnostic Lab (PPDL) May 9, 2017 - From Issue: 627 By: Gail E. Ruhl Read More Samples in plug trays, as well as unrooted and rooted cuttings, and plants in pots require extra care when they are packaged for submittal to a diagnostic lab. Before you[Read More…] Article Categories: Vegetable Crops – General Article Tags: Pests and Pest Management – General Plant Disease Management
Viruses on Greenhouse Tomatoes May 9, 2017 - From Issue: 627 By: Dan Egel Read More While many virus diseases affect pepper and tomato plants, in the Midwest, the most common virus diseases of these two crops are tomato spotted wilt virus (TSWV) and Impatiens necrotic[Read More…] Article Categories: Peppers Tomato Article Tags: Greenhouses & High Tunnels Plant Disease Management
Tomato Transplant Diseases April 13, 2017 - From Issue: 625 By: Dan Egel Read More Many Indiana growers may have tomato transplants growing in a greenhouse for field or greenhouse/high tunnel production. The three most likely diseases are bacterial spot, bacterial speck and bacterial canker. This article[Read More…] Article Categories: Solanaceous Crops Tomato Article Tags: Greenhouses & High Tunnels Plant Disease Management
Problems in Overwintered Salad Greens – White Mold and Tip Burn March 15, 2017 - From Issue: 624 By: Liz Maynard Read More Some of the red and green multi-leaf lettuce plants in Figure 1 are wilted and closer inspection reveals death and soft decay at the crown and well as freeze damage[Read More…] Article Categories: Greens and Salad Crops Lettuce Spinach Article Tags: Greenhouses & High Tunnels Plant Disease Management
Evidence for Spread of Fusarium Wilt of Watermelon in Transplant Trays March 15, 2017 - From Issue: 624 By: Dan Egel Read More Fusarium wilt is one of the most serious diseases of watermelon in the Midwest. The disease often causes a one-sided wilt 2-3 weeks after transplanting. Whether a plant is affected,[Read More…] Article Categories: Cucurbits Watermelon Article Tags: Plant Disease Management
Garden Sprayer vs Backpack Sprayer March 15, 2017 - From Issue: 624 By: Dan Egel Read More The use of tractor drawn pesticide sprayers is not practical for many smaller growers. Two alternatives are garden-sprayers or backpack sprayers. I will argue here that garden-sprayers are not suited[Read More…] Article Categories: Vegetable Crops – General Article Tags: Plant Disease Management
Alternaria Leaf Blight of Carrot November 15, 2016 - From Issue: 623 By: Dan Egel and Wenjing Guan Read More Last fall, my lab received a carrot sample with disease-like lesions (Figures 1 and 2). There are at least 3 carrot diseases that may appear similar. These diseases are: Alternaria[Read More…] Article Categories: Root, Tuber, and Bulb Crops Carrots Article Tags: Plant Disease Management
Fall Clean and Sanitize October 13, 2016 - From Issue: 622 By: Dan Egel As Indiana growers finish up the 2017 season, it is important to remember to clean and sanitize equipment and tools. In this article, I would like to discuss the importance of[Read More…] Article Categories: Vegetable Crops – General Article Tags: Crop Culture Plant Disease Management