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]
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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]
WHAT: An OISC Pesticide Clean Sweep Project designed to collect and dispose of suspended, canceled, banned, unusable, opened, unopened or just unwanted pesticides (herbicides, insecticides, rodenticides, fungicides, miticides, etc.) is being sponsored by the Office of Indiana State Chemist (OISC). This disposal service is free of charge up to 250 pounds per participant. Over 250…Read more about 2022 OISC Clean Sweep Information[Read More]
Downy mildew of spinach can be an important disease of spinach. The lesions are often a bright yellow with irregular margins (Figure 1). With time, these lesions can become a light brown. The underside of the lesion is dark black or purple under moist conditions. Under very conducive conditions, sporulation can occur on the top…Read more about Downy Mildew of Spinach[Read More]
The author of this article, Dan Egel, retired from Purdue University in February 2024. MELCAST is a weather-based disease-forecasting program that helps growers schedule foliar fungicide applications for watermelon and cantaloupe. MELCAST stands for MELon disease for CASTer. This program, designed by Dr. Rick Latin, Emeritus Professor of Plant Pathology at Purdue University, keeps track of weather conditions so…Read more about MELCAST[Read More]
Are you a certified organic farmer producing fruits, vegetables, or nuts? Purdue is participating in a multi-state project to help you navigate National Organic Program standards and third-party food safety certification. We have put together a voluntary survey to collect information on your experiences in this space. Our goal with this survey is to identify…Read more about Organic Grower Survey[Read More]
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