Pesticide Names October 20, 2020 - From Issue: 683 By: Dan Egel Read More I recently had the opportunity to speak with a grower who was trying to describe what pesticides had been used in his operation. This experience made me realize how confusing[Read More…] Article Categories: Vegetable Crops – General Article Tags: Plant Disease Management
Phytophthora Blight of Cucurbits September 17, 2020 - From Issue: 682 By: Dan Egel 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[Read More…] Article Categories: Cucurbits Cantaloupe Cucumbers Melons, Other Pumpkins Squash Watermelon Article Tags: Plant Disease Management
When to Stop Spraying August 27, 2020 - From Issue: 681 By: Dan Egel This is an update of the article When to Stop Spraying Fungicide published in issue 666 on Sep. 12, 2019. Many vegetable growers are closing in on the final harvest.[Read More…] Article Categories: Vegetable Crops – General Article Tags: Plant Disease Management
Second Downy Mildew Report in Indiana August 27, 2020 - From Issue: 681 By: Dan Egel Read More Downy mildew was observed on pumpkins in Daviess, Knox and Washington County. Evenings and mornings with heavy dews and fogs may help the disease to spread. Whether to apply fungicides[Read More…] Article Tags: Plant Disease Management
Cucurbit Downy Mildew August 10, 2020 - From Issue: 680 By: Dan Egel 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[Read More…] Article Categories: Cucurbits Cantaloupe Cucumbers Melons, Other Pumpkins Squash Watermelon Article Tags: Plant Disease Management
Root-knot Nematode of Watermelon July 1, 2020 - From Issue: 677 By: Dan Egel Read More On a sandy hillside in a watermelon field, we noted vines that, from a distance, appeared undersized compared to the vines in the flats. Upon closer inspection, some of the[Read More…] Article Categories: Cucurbits Watermelon Article Tags: Plant Disease Management
Answer to Question from Last Issue (6-18-2020) July 1, 2020 - From Issue: 677 By: Dan Egel Read More What is causing the spots on the watermelon leaf? A) anthracnose B) early blight C) a contact herbicide The answer is that the leaf above has been affected by[Read More…] Article Categories: Cucurbits Watermelon Article Tags: Plant Disease Management
Downy Mildew in Southern Michigan July 1, 2020 - From Issue: 677 By: Dan Egel Read More Downy mildew has been observed on cucumber in Berrien County in extreme southwestern Michigan and in Monroe County in extreme southeast Michigan. The downy mildew spores that cause disease on[Read More…] Article Categories: Cucurbits Article Tags: Plant Disease Management
Cercospora Leaf Spot of Beet June 18, 2020 - From Issue: 676 By: Dan Egel Read More This disease was observed in a home garden recently on table beet (Figure 1). I was surprised considering how dry it has been. Cercospora leaf spot also affects swiss chard. Symptoms include circular leaf spots that[Read More…] Article Categories: Beets Swiss Chard Article Tags: Plant Disease Management
Answer to Question from Last Issue (6-3-2020) June 17, 2020 - From Issue: 676 By: Liz Maynard and Dan Egel Read More Question: Why are the water droplets arranged so evenly around the edge of this cucurbit leaf? Answer: The water droplets came out of pores that are at the edge of[Read More…] Article Categories: Vegetable Crops – General Article Tags: Plant Disease Management