Rose rust is a common fungal disease which affects affects many varieties of rose, with some varieties and hybrids more prone to the disease. Learn to identify and manage this disease in this factsheet.
This factsheet lists and discribes the variety of insecticide products and application methods available to professionals for control of the emerald ash borer (EAB).
Learn how to water woody plants to help them survive prolonged periods of drought in this article.
This publication describes plant damage caused by deer, and illustrates numerous methods for protecting plants from deer.
Includes history, distribution, habitat, similar species, threats, identification and impact, of the shrub honeysuckles that are invasive in the Midwest. Photos and discussion of control strategies are also included.
Honeylocust is a common street and landscape tree. This factsheet presents the signs and symptoms of canker diseases of honeylocusts and how to best treat them.
Nectria canker is a common and potentially lethal disease that affects many species of trees and shrubs. This factsheet describes what nectria canker looks like and management options.
Southern blight is a lethal fungal disease that is most common in the tropics and subtropics, but can cause problems in temperate locations like Wisconsin during periods of warm, moist weather. Learn more here.
Tatters is a leaf disorder affecting primarily trees in the white oak group. This factsheet has more information about what Tatters is and symptoms to watch for.
Tubakia (Actinopelte) leaf spot is a common late-season leaf disease of oaks, especially those in the read oak group. Learn symptoms and management in this factsheet.
Crown gall is the most widely distributed bacterial disease of plants in the world. This factsheet describes what crown gall looks like and how to avoid problems with this disease.
Butternut canker is a fungal disease that affects native butternut trees, causing multiple cankers on trunks and branches, eventually killing the trees. Learn to recognize this disease in this factsheet.