Sooty blotch and flyspeck are separate diseases that often occur together on apple and pear fruit during late summer. This factsheet will hlep you better understand, identify, and control these diseases.
Fruit trees are propagated by budding or grafting onto special rootstocks. Some nurseries offer trees with a choice of rootstocks. Learn more about how rootstocks affect your backyard trees here.
Plant growth regulators can be used for thinning fruit, regulating growth and adjusting harvest periods for apples. Learn more in this publication.
Skeletonizing of leaves of roses, raspberries, grapes and other plants may be caused by adult rose chafers. Learn to identify and manage rose chafer in this publication.
Root-knot nematodes are small, soilborne, worm-like organisms that infect many agricultural and horticultural plants. This publication describes the symptoms, and management of root-knot nematodes in Wisconsin.
Foliar nematodes are microscopic worm-like organisms that live in and on leaves (and other above-ground plants parts). Learn what to look for and how to manage foliar nematodes in this factsheet.
Brown rot is a destructive fungal disease of the genus Prunus, including plums, cherries, apricots, and peaches. This factsheet will help you identify and manage brown rot.
This publication describes plant damage caused by deer, and illustrates numerous methods for protecting plants from deer.
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.
Plum pox, aka “sharka”, is a virus disease that affects stone fruits such as plums, peaches, apricots and nectarines, making fruit deformed, tasteless and inedible. Learn about symptoms and management here.
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.