The author of this article, Dan Egel, retired from Purdue University in February 2024. This article is a brief review of the symptoms of foliar diseases of tomatoes in greenhouses or high tunnels. Remember that foliar diseases of tomatoes that are observed in greenhouses or high tunnels are different than those found in the field….Read more about Foliar Diseases of Tomato in Greenhouses[Read More]
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We received calls reporting observations of leaf curling on tomatoes. This article reviews factors contributing to the symptom. It was updated from an article published in June 2020, Issue 676. In a similar way as other vegetables, hot and dry conditions may cause leaf curling on tomatoes. In late spring and early summer, plants that…Read more about Tomato Leaf Curling[Read More]
Agricultural producers and handlers who are certified organic, along with producers and handlers who are transitioning to organic production, can now apply for the U.S. Department of Agriculture’s (USDA) Organic and Transitional Education Certification Program (OTECP) and Organic Certification Cost Share Program (OCCSP), which help producers and handlers cover the cost of organic certification, along…Read more about USDA Accepting Applications to Help Cover Costs of Organic, Transitioning Producers in Indiana[Read More]
The Purdue University Plant and Pest Diagnostic Laboratory (PPDL) specializes in the identification of plant diseases, insects, and plants, as well as in the diagnosis of plant-health-related problems. The PPDL is a partner in the National Plant Diagnostic Network (http://www.npdn.org), a national consortium of diagnostic laboratories dedicated to enhancing the work of diagnostic labs through…Read more about The Purdue Plant and Pest Diagnostic Lab – Ready to Serve You[Read More]
A new strawberry disease has been found in Indiana and researchers are looking for samples to determine the extent of the problem. The disease, caused by a species of the fungus Neopestalotiopsis, has been reported in several southeastern states and other countries where it causes leafspots, fruit spots and a plant decline. In Indiana, the…Read more about New Strawberry Disease[Read More]
Using herbicides with different modes of action is one way to more effectively control weeds and avoid or delay herbicide resistance. But how do you know if you are rotating herbicides properly? Group Numbers. Most herbicide labels have a herbicide Group number on the front page, usually above or next to the product’s trade name…Read more about Am I Properly Rotating my Herbicides?[Read More]
While it is not so much of a problem on large farms, with many acres of cucurbits, small farms and organic growers tend to be the most impacted by this pest. The squash vine borer (Figure 1) is a member of the clear-winged moths, a unique group of moths that are active during the daytime….Read more about Looking for Squash Vine Borer (SVB) Trapping Collaborators[Read More]
Once again this year I will be monitoring corn earworm flights throughout the state. Be sure to check the CEW trapping website for updates daily. If you produce sweetcorn or popcorn and are interested in hosting a trap, please contact me at (765) 494-6167 or lingwell@purdue.edu. I will provide the trap and the lure, but…Read more about Corn Earworm Trapping Collaborators Needed[Read More]
Over the last 30 days (April 3 – May 2), average temperatures ran below normal for most of the state (Figure 1). Southern Indiana temperature departures were near normal to 1°F below normal. Larger temperature departures (1 – 4°F below normal) were observed in central and northern Indiana. Many areas experienced their first 80°F or…Read more about Cool Temperatures and Variable Precipitation Observed Over the Last 30 Days[Read More]
The Pinney Purdue Vegetable Field Day/Twilight Meeting will be held August 9, 2022 at 11402 S. County Line Road, Wanatah, IN. The evening program will feature plot tours for farmers and for homeowners featuring topics of irrigation, sweet corn, pumpkins, soil health and cover crops. An afternoon session for farm advisors and educators will include…Read more about Pinney Purdue Vegetable Field Day August 9, 2022 – Save the Date![Read More]
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