A new publication High Tunnel Cucumber Production Guide is available and can be downloaded at https://extension.entm.purdue.edu/publications/ID-521/ID-521-W.pdf This cucumber production guide provides resources and recommendations tailored to the distinctive growing environment of high tunnels. Recommendations are based on research efforts conducted in the Midwest U.S. and include cultivar selection, pruning and trellising systems, insect and mite[Read More…]
Cucurbits
The Annual Fall/Winter Meeting of the Southwest Indiana Melon and Vegetable Growers is scheduled on Monday, November 30, 2020, 3:00 pm – 5:00 pm (EST). This meeting will be held online this year because of COVID-19 restrictions. Dr. Wenjing Guan and Dr. Dan Egel will discuss the results of the 2020 watermelon and cantaloupe variety[Read More…]
Thanks to growers’ collaboration and help from Superior Ag, we collected plant tissue samples from 12 watermelon fields at different crop growing stages in Southern Indiana in the 2020 season. In a previous article, we discussed results about magnesium and potassium. In this article, we will discuss another nutrient, Sulfur (S). Sulfur deficiency has become[Read More…]
This article addresses considerations of using grafted watermelon plants in Indiana. Choosing rootstocks Interspecific hybrid squash is the most widely used watermelon rootstock. Many cultivars of the hybrid squash rootstocks that have been developed by different companies, share similar genetic background and thus similar characteristics. All of them have outstanding resistance to Fusarium wilt, but,[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…]
Thanks to growers’ collaboration and help from Superior Ag, we collected plant tissue samples from 12 watermelon fields at different crop growing stages in Southern Indiana in the 2020 season. In this article, I want to discuss two of the issues that standout from these tests. One is the generally low or deficient Magnesium (Mg)[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…]
