Purdue specialists and educators are starting to plan winter programs. What topics and speakers would you like to see? Join a conversation on Thursday, Sept. 16, 8 pm to 9 pm Eastern/7 pm to 8 pm Central by phone or internet. Or, add ideas to online form here You can reach us by sending emails…Read more about What do You Want to See at Purdue Vegetable Programs this Year?[Read More]
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Root-knot nematodes (RKN) are a devasting soilborne pest on a wide range of vegetables and fruits. They are most active in well-aerated soils and they like warm weather. Increasingly, we saw this pest in our regions. Root-knot nematode infections result in root swellings called galls, and heavily infected crops by RKN display aboveground symptoms such…Read more about Root-knot Nematode on Vegetable Crops[Read More]
A lack of abundant precipitation over the past month has caused abnormally dry conditions to expand across Indiana this week with several counties in central Indiana intensifying to the Moderate Drought stage of the US Drought Monitor (Figure 1). Some intense weather systems passed through the state this week (Figure 2), however, this was not…Read more about Drought Intensifying Across Central Indiana[Read More]
If you’re like us, as the season winds down it may seem like your insect pest management efforts are beginning to look a bit more reactive and less preventative. We’re hearing from growers that aphids, mites, caterpillars and stinkbugs are especially challenging in various veggie crops now, particularly tomatoes! In an attempt to ease some…Read more about Late-season Insect Management in Veggies, Especially Tomatoes[Read More]
In 2015 and 2018, I observed Cercospora leaf mold of tomato in high tunnel operations. In Hotline articles in those years, I noted that Cercospora leaf mold is normally a subtropical disease. This disease has again been observed in 2021 on tomatoes in high tunnels. I’m still not certain of the importance of this disease…Read more about Tomato Leaf Mold Diseases[Read More]
Organic producers and handlers can now apply for U.S. Department of Agriculture (USDA) funds to assist with the cost of receiving or maintaining organic certification. Applications for the Organic Certification Cost Share Program (OCCSP) are due Nov. 1, 2021.
As warm-season crops are harvested, many vegetable farmers start the process of transitioning to cool-season crops. Leafy greens and root vegetables are ready to be planted. High temperature is present across the state recently. The heat stress may affect germination and growth of some of the vegetables. Spinach is probably one of the most heat-sensitive…Read more about Heat Effects on Cool-season Vegetables[Read More]
Dr. Margaret McGrath’s lab from Cornell University has developed a great resource for growers interested in using biopesticides to manage vegetable diseases. https://www.vegetables.cornell.edu/ipm/diseases/biopesticides/ This article provides a general introduction of biopesticides, major types of biopesticides, and the pros and cons of using them. The website also lists representative biopesticide products that are available for managing…Read more about Resources for Biopesticides for Vegetable Disease Management[Read More]
After weeks of successive trap catches being empty or in the single digits, we have seen a dramatic increase in the last couple of days in the number of corn earworm moths captured in our pheromone traps throughout the state. At multiple locations catches jumped from near nothing to hundreds of individuals in a single…Read more about Corn Earworms are Taking Flight[Read More]
Downy mildew of cucumbers has been observed in Knox County. This disease has not been observed on pumpkins, but it is possible for downy mildew to spread from cucumbers to pumpkins. Therefore, pumpkin growers should scout for downy mildew and manage for the disease depending on their situation. Pumpkin growers who plan to harvest mid…Read more about Downy mildew of Pumpkin: What to Look for[Read More]
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