Powdery Mildew of Cucurbits August 18, 2017 - From Issue: 634 By: Dan Egel Read More Powdery mildew is a common disease of cantaloupe and pumpkin in Indiana. Occasionally, I observe this disease on watermelon as well. Recently, I have noticed more powdery mildew than usual[Read More…] Article Categories: Cucurbits Article Tags: Plant Disease Management
Powdery Mildew Symptoms vs Variegated Leaves August 12, 2017 - Veggie Extras Article By: Dan Egel Read More One of the most common diseases of pumpkin in Indiana is powdery mildew. Growers are naturally anxious to observe whether the fungicide they have been applying for this disease has[Read More…] Article Categories: Cucurbits Pumpkins Article Tags: Plant Disease Management
Southern Rust of Sweet Corn August 7, 2017 - From Issue: 633 By: Dan Egel Read More Southern rust of corn is normally a disease of tropical areas. During summer months, however, the fungus which causes southern rust, Puccinia polysora, often moves into southern areas of the[Read More…] Article Categories: Corn Article Tags: Plant Disease Management
Southern Blight of Pepper and Tomato August 7, 2017 - From Issue: 633 By: Dan Egel Read More Southern blight of pepper and tomato thrives under hot, dry conditions. Usually, such conditions are more likely in August. Production under tunnels may contribute to the dry conditions that influences southern[Read More…] Article Categories: Peppers Tomato Article Tags: Plant Disease Management
Bacterial Spot of Pumpkin July 20, 2017 - From Issue: 632 By: Dan Egel Read More I have observed this disease in scattered commercial pumpkin and squash fields across Indiana. Bacterial leaf spot of pumpkin is perhaps the most serious disease of pumpkin in Indiana today.[Read More…] Article Categories: Cucurbits Pumpkins Article Tags: Plant Disease Management
White Mold of Vegetables June 8, 2017 - From Issue: 629 By: Dan Egel Read More White mold has a large host range including tomatoes (where it may be referred to as timber rot), cucumbers, lettuce and snap beans as well as many more. In this[Read More…] Article Categories: Solanaceous Crops Tomato Article Tags: Plant Disease Management
Cucurbit Fungicide Schedules May 25, 2017 - From Issue: 628 By: Dan Egel Cantaloupe, watermelon and pumpkin growers can use information in the Midwest Vegetable Production Guide for Commercial Growers (ID-56) to help determine what fungicides to apply. The MELCAST system (see accompanying[Read More…] Article Categories: Cucurbits Article Tags: Plant Disease Management
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
