Fusarium wilt of watermelon is one of the most economically important diseases of watermelon in the Midwest. Fusarium wilt typically shows up in watermelon fields just after Memorial Day. This year is no different. After a brief description of the symptoms of the disease, this article will discuss the pluses and minuses of possible fungicide[Read More…]
Fungicide
As I write this, scattered showers are moving through much of southern Indiana. It is unclear yet how much moisture these showers will produce for any given area. What is clear is that May and June have been unusually dry for most of Indiana. How will this dry spell affect overall disease pressure for the[Read More…]
There are a number of factors that go into scheduling foliar fungicide applications. For example, choosing a product with your crop and suspected disease on the label is a must. You will want to select a product with good efficacy. It is important to choose a product with a Pre-Harvest Interval (PHI) and Re-Entry Interval[Read More…]
Vegetable growers will begin thinking about fungicide applications in a few weeks. Many growers will have already purchased fungicides for the 2023 season. Where can Indiana vegetable growers go for fungicide information? To find recommended fungicides for vegetable fungicides, one may want first to study the Midwest Vegetable Production Guide. One can find this Guide,[Read More…]
For 100 years bacterial spot has been causing huge losses for tomato growers worldwide. For 100 years products containing copper have held the key to controlling this devastating tomato disease. As tomato growers enter their second century of dealing with bacterial spot, the question has become whether copper applications lessen the severity of bacterial spot-or[Read More…]
Over the past few weeks, I have observed several watermelon fields with relatively large areas of wilted plants.There can be several reasons for such symptoms.In the article below, I will discuss late season Fusarium wilt of watermelon.In a separate article, I will discuss mature watermelon vine decline.In a separate article/blog I discussed root knot nematode.All[Read More…]