Powdery Mildew of Tomato July 22, 2015 - From Issue: 602 By: Dan Egel Read More This disease has been reported near West Lafayette and in Wanatah Indiana. Powdery mildew of tomato can be recognized by the white fungal colonies on both leaf surfaces (Figure 1). Occasionally, stems[Read More…] Article Categories: Solanaceous Crops Tomato Article Tags: Plant Disease Management Protected Culture and Season Extension
Magnesium and Manganese in Melon July 22, 2015 - From Issue: 602 By: Dan Egel and Liz Maynard Read More I have observed many fields of cantaloupes with magnesium deficiency or manganese toxicity. Watermelon plants may exhibit similar symptoms, but not as frequently as cantaloupe. Both disorders are related to[Read More…] Article Categories: Cucurbits Article Tags: Plant Disease Management Soil Fertility and Fertilizers
Boiler Hopyard Update-July 9, 2015 July 9, 2015 - From Issue: 601 By: Clayton J Nevins Read More Burrs and Cones. Both of the trellises in the Boiler Hopyard have begun flowering and coning. The primary shoots were pruned at the top of the net on the dwarf[Read More…] Article Categories: Other Specialty Crops Hops Article Tags: Crop Culture Events Insect and Mite Management Plant Disease Management
Phytophthora Fruit Rot of Watermelon June 25, 2015 - From Issue: 600 By: Dan Egel Read More Most growers first notice this disease when large, soft areas develop on mature watermelon fruit. These lesions can be several inches across and are often covered with a white mold. The[Read More…] Article Categories: Cucurbits Watermelon Article Tags: Plant Disease Management
Quintec Labeled for Bacterial Spot of Tomato June 25, 2015 - From Issue: 600 By: Dan Egel Read More Bacterial spot of tomato causes lesions on foliage and fruit of tomato. On leaves, the lesions begin as small water soaked areas and turn into brown lesions with a yellow halo.[Read More…] Article Categories: Solanaceous Crops Tomato Article Tags: Plant Disease Management
Boiler Hop Yard Update June 14, 2015 - From Issue: 599 By: Clayton J Nevins Read More Purdue University’s Boiler Hop Yard has started its second growing season with the hopes of providing Indiana growers with science-based recommendations for hop production in the Midwest. With summer rapidly[Read More…] Article Categories: Other Specialty Crops Hops Article Tags: Crop Culture Plant Disease Management Soil Fertility and Fertilizers Special Cultural Practices
Black Rot of Crucifers June 12, 2015 - From Issue: 599 By: Dan Egel Read More Cabbage is the crop most often affected by black rot, however, other crucifers such as broccoli, cauliflower, mustard, kohlrabi or Brussels sprouts may be affected. The first symptom one is likely[Read More…] Article Categories: Cole Crops Broccoli Brussels Sprouts Cabbage Cauliflower Kohlrabi Greens and Salad Crops Mustard Article Tags: Plant Disease Management
Pith Necrosis of Tomato June 12, 2015 - From Issue: 599 By: Dan Egel Read More This disease has been reported in two different greenhouse situations. Although the disease is not usually economically important, a brief review of the disease is offered here to help tomato growers[Read More…] Article Categories: Solanaceous Crops Tomato Article Tags: Plant Disease Management
Blossom End Rot of Tomato June 10, 2015 - From Issue: 599 By: Liz Maynard Blossom end rot of tomato has been showing up in some protected growing structures. This article reviews the disorder and summarizes preventive practices. Blossom end rot is a physiological disorder[Read More…] Article Categories: Solanaceous Crops Tomato Article Tags: Crop Culture Plant Disease Management Protected Culture and Season Extension
Tips for Submitting Greenhouse Samples to the Purdue Plant and Pest Diagnostic Lab May 19, 2015 - From Issue: 598 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 Protected Culture and Season Extension Transplant Production