Verticillium Wilt of Vegetables

Authors: Ken Frost* and Brian Hudelson, UW-Madison Plant Pathology Last Revised: 05/05/2013 X-number: XHT1146 What is Verticillium wilt? Verticillium wilt is a typically fatal disease that affects a wide range of vegetable crops in Wisconsin. Vegetables commonly and severely affected by Verticillium wilt include tomato, potato, pepper, eggplant, cucumber, muskmelon, pumpkin and watermelon. Other vegetables […]

African Fig Fly – Pest Alert

Pest Alert Authors: Janet van Zoeren and Christelle Guédot, UW-Madison Entomology Last Revised: 04/17/2019 X-number: XHT1267 The African fig fly (AFF), Zaprionus indianus, is an invasive vinegar fly closely related to flies in the genus Drosophila [which includes the common vinegar fly (also sometimes called the common fruit fly) and spotted-wing drosophila (SWD)]. AFF is […]

Powdery Mildew – Herbaceous Ornamental

Powdery Mildew – Herbaceous Ornamental Authors: Brian Hudelson, UW-Madison Plant Pathology Last Revised: 02/18/2010 X-number: XHT1005c What is powdery mildew? Powdery mildew is a disease that occurs on the above-ground parts (especially the leaves) of many herbaceous ornamental plants, as well as deciduous trees and shrubs, indoor houseplants, and many agricultural crops. Conifers are not […]

Bacterial Wilt of Cucurbits

What is bacterial wilt? Bacterial wilt is a common and destructive disease that affects cucurbits (i.e., plants in the cucumber family), including economically important crops such as melon (Cucumis melo), cucumber (Cucumis sativus) and, to a lesser extent, squash and pumpkin (Cucurbita spp.). This disease is distributed throughout the United States; and can be found anywhere that cucurbits are grown.

Codling Moth

Codling moth is an insect pest of apple, pear, and walnut crops in Wisconsin. Larval feeding can render fruit unmarketable, potentially causing severe economic loss. Learn how to identify, monitor, and deter this insect pest.

Apple Maggot

Apple maggot, also commonly known as railway worm, is a significant pest of apples in commercial and backyard orchards in most of the United States and eastern Canada. Although predominantly a pest of apples, apple maggot will also infest pears, apricots, peaches, cherries, crabapples, and rose hips. Learn about the life cycle, damage patterns, and control options to effectively manage apple maggot.

European Chafer

A serious insect pest of turfgrass, the European chafer beetle was first reported in Door County, Wisconsin in 2016. European chafer grubs voraciously feed on turfgrass roots and cause thinning, wilting, and irregular patches of turf that can easily be pulled back or rolled up from the soil. This fact sheet details the life cycle of the European chafer and offers insecticide recommendations for grub control.

Getting garden seeds during a pandemic 2021

By Jay Dampier, Extension Horticulture Program The pandemic has disrupted how we do things on so many levels. In 2020 some gardeners were not able to get the seeds they wanted due increased demand and staffing shortages at seed companies. While seed companies expect to be better prepared this year, it is not too early […]

Seed Starting

Starting your garden from seeds might be easier than you think. Check out this article to get practical tips on starting your plants from seeds.

Black Stem Borer

Black stem borer (BSB), also known as the alnus ambrosia beetle, is an invasive beetle from Asia that was accidentally introduced into central Europe and North America. BSB has traditionally been considered a serious pest of nursery and landscape trees, but has also been reported as a pest of fruit crops. This factsheet describes the appearance, life cycle, scouting suggestions and control methods of this important pest.

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