How to Control Cabbage Worms on Brassicas and Cole Crops
Pieris rapae While butterfly collectors may rejoice that the cabbage butterfly now lives in all 50 states and southern Canada, people who grow cole crops and crucifers do not share…
Pests
How to Identify and Prevent Apple Cork Spot
If you see spots on your apples, you may be tempted to think “Oh no! Fungal or hail injury.” However, there may be another cause, especially if your apple trees…
How to Identify and Treat Pecan Stem End Blight
Botryosphaeria ribis You think you’ve got it made with your pecan trees, Carya illinoensis, and have visions of pies (at the least) or even some sales at the farmers market…
How to Control Turnip Mosaic Virus
Turnip mosaic virus (TuMV) can be a severe disease on cabbages and other types of brassicas. Many weeds are hosts to this virus. This makes the situation worse for growers…
How to Prevent Southern Blight on Your Tomato Plants
Sclerotium rolfsii Southern blight is dreaded by home gardeners and commercial growers alike. The Sclerotium rolfsii fungus that causes the disease is believed to be able to lie dormant in…