We will continue to host two trapping networks in the 2022 growing season. The historical corn earworm (Figure 1) trapping network will continue. This state-wide trapping and monitoring program for corn earworm is crucial to assist growers with timely management decisions in sweet corn production. The latest trap catch information can be found here. Traps[Read More…]
Squash
The photo here (Figure 1) shows a spaghetti squash with many lesions on the fruit. At first glance, it may seem to be several lesions of different sizes. However, if one looks closely, there are actually two different diseases on the fruit. The larger, brown, irregular water-soaked areas are black rot, caused by the same[Read More…]
For some, we may often forget about the pesky squash vine borer until it’s too late. This pest of cucurbit crops tends to be sporadic in our region; you are either battling it every year or it hardly makes an appearance. And, unfortunately, our urban farmers tend to get hammered. While it is not so[Read More…]
At the Pinney Purdue Ag Center in northern Indiana we had plots in 2020 with no-till sweet corn, pumpkins and winter squash following a rye cover crop. As is common when adapting new planting and tillage systems, we had both challenges and successes. Check out the video presentations to see photos of the plots, and[Read More…]
This time of year you are likely getting bogged down in the fight against pests. The accumulation of plant pathogens, insects, and climatic conditions favoring their growth can make the last few weeks of harvest feel like the toughest point in the battle. For cucurbit growers in particular, there are a number of insect pests[Read More…]
Phytophthora blight was a serious disease this past season. As a result, I have had many questions about managing this disease. The following article is an update of a previous article on this subject. The questions I have been asked have ranged from what do I spray to how does this disease work? Therefore, I[Read More…]
This disease appears to be more important each year. It is not clear to me why. This article reviews Plectosporium of pumpkin, sometimes called white speck. I would rank Plectosporium blight behind powdery mildew, bacterial leaf spot and Phytophthora blight in economic damage caused. The occurrence of this disease is usually sporadic. However, when it[Read More…]
Question: What happened to these fruit? Answer: Hail damage. A storm that happened in middle July brought hail to parts of Indiana. Hail hit small fruit, and damage became pronounced as fruit grow. More information about the damage to vegetable crops can be found in the article Hail Damage published in Vegetable Crops Hotline Issue[Read More…]
Downy mildew has been observed in LaPorte County in northern Indiana on cucumber. In addition, downy mildew on cucumber has been reported in southern Kentucky and on watermelon in the Kansas City area of Kansas. Growers in northern Indiana should manage for downy mildew on valuable cucurbit crops (Figure 1). Growers throughout the state should[Read More…]