Home Vegetable Insecticides

Karen Delahaut, UW-Madison Fresh Market Vegetable Program Revised:  3/13/2008 Item number:  XHT1097 Recently, several commonly-used insecticides for the control of insects in home vegetable gardens have been taken off the market.  As a result, it’s becoming ever more challenging for home gardeners to find suitable insecticide products at garden centers, discount stores, and hardware stores.  […]

Fungus Gnats and Shore Flies in Greenhouses

Fungus gnats are considered a cosmetic problem in most situations, but larval feeding on plant roots has been associated with root rots in greenhouse settings. Shore flies (Scatella stagnalis) are another nuisance insect and are often confused with fungus gnats in the greenhouse.

White Mold

Ann Joy and Brian Hudelson, UW-Madison Plant Pathology Revised:  4/25/2004 Item number:  XHT1115 What is white mold?  White mold is a serious, and often lethal, fungal disease that affects over 374 types of plants in many plant families.  It causes severe damage in commercial snap, kidney and lima bean production, as well as commercial sunflower […]

Bird’s Nest Fungi

Amy Gibbs* and Brian Hudelson, UW-Madison Plant Pathology Revised:  5/31/2005 Item number:  XHT1105 What are bird’s nest fungi?  Bird’s nest fungi are a group of organisms named for their resemblance to miniature bird’s nests.  These fungi can be found all over the world, growing and reproducing on decomposing organic matter.  In temperate regions, bird’s nest […]

Early Blight

Brian Hudelson, UW-Madison Plant Pathology Revised:  3/10/2012 Item number:  XHT1074 What is early blight?  Early blight is one of two common fungal diseases that can devastate tomatoes in both commercial settings and home gardens.  Early blight can also be a serious disease on other popular vegetables including eggplants, peppers, and potatoes.  The second common tomato […]

Trellising, Staking and Caging – Vertical gardening techniques for vine-type vegetables

Robert Tomesh, horticulture specialist, University of Wisconsin Extension, Cooperative Extension Revised:  3/31/2011 Item number:  A3933-01 Vine-type fruits and vegetables—such as tomatoes, melons, and cucumbers—are some of the most popular produce grown. Various trellising, staking, and caging techniques can be used to enhance yield, minimize disease, and improve harvesting. Find out which techniques will work in […]

Onion Thrips

Authors: David Lowenstein and Russell Groves, UW-Madison Entomology Last Revised: 05/20/2020 X-number: XHT1134 Onion thrips (Thrips tabaci) are an important annual pest of onion. They can attack many garden crops, but most commonly cause serious damage to onions, leeks and garlic. Appearance:  Adult onion thrips are about 1/12 inch long, thin and pale yellow to brown in color.  Their wings […]

Onion Maggot

Karen Delahaut, formerly UW-Madison Fresh Market Vegetable Program Revised:  1/9/2005 Item number:  XHT1133 Onion maggots (Hylemya antiqua) are a common and often serious insect pest of plants in the onion family including onion (where they can be the most serious production problem), leeks, shallots, garlic, and chives.  Onion maggots feed below ground on host bulbs, […]

Soil Contaminants in Community Gardens

John Folstad, Sharon C. Long, Doug Soldat Revised:  2/17/2011 Item number:  A3905-03 As interest in community and home gardening continues to grow nationwide, an increasing number of gardens are being sited in dense urban areas or on or near former industrial, agricultural, or commercial land. Any of these areas may contain contaminated soil, so it […]

Potato Leafhopper

Authors: David M. Lowenstein and Russell L. Groves, UW-Madison, Department of Entomology Last Revised: 05/06/2020 X-number: XHT1132 Potato leafhopper (PLH), Empoasca fabae, is a potentially serious annual pest of a wide range of plants including, but not limited to, alfalfa, apple, beans (all types), clover, dahlia, eggplant, potato, rhubarb, soybean, strawberry and many types of bedding plants.  In Wisconsin, […]

Squash Bug

Authors: David Lowenstein and Russell Groves, UW-Madison Entomology Last Revised: 03/05/2020 X-number: XHT1135 Squash bugs (Anasa tristis) are an emerging problem in Wisconsin.  In recent years, these insects have become more prevalent, causing damage to vine crops in home gardens and commercial fields alike.  Squash bugs feed on all vine crops, but pumpkins and squash are their preferred […]

Squash Vine Borer

Karen Delahaut, formerly UW-Madison Fresh Market Vegetable Program Revised:  1/9/2005 Item number:  XHT1136 The squash vine borer (Melittia cucurbitae) is an annual pest of pumpkins and squash.  This insect is often not recognized as a potential pest, but can be economically important in some years.  Winter squash is highly susceptible to attack. Appearance:  The adult […]

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