Watercore of Apple

Watercore of apple is a physiologic disorder caused by adverse environmental conditions. Find out more about this apple disorder in this factsheet.

Apple Disorder: Sooty Blotch and Flyspeck

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.

Rootstocks for Fruit Trees in Wisconsin

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.

Blanket Flower, Gaillardia spp.

Blanket flower (Gaillardia spp.) is a native North American plant found as both a common wildflower in places and a colorful garden ornamental. New cultivars are continually being developed. Learn more about blanket flower in this article.

Hosta Virus X

Hosta virus X (HVX) is a viral disease that causes serious problems on many hosta cultivars, causing nursery owners and gardeners in the United States to voluntarily destroy large numbers of hosta to help prevent the spread. This fact sheet describes the symptoms and management of this virus.

Root-Knot Nematode

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

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.