Crops

Author(s) K. A. Delahaut. In Wisconsin, the potato leafhopper (Empoasca fabae) is a serious annual pest of snap beans and potatoes. Damage caused ...

Author(s) Karen Delahaut, Walt Stevenson. Two distinctly separate diseases commonly known as scab can infect potatoes, significantly reducing tube...

Author(s) Claire Strader, Julie Dawson. One of the most common criticisms of organic agriculture is that it relies too heavily on tillage. While o...

Author(s) Bryan Jensen, Patrick J. Liesch, Glenn Nice, Mark Renz, Damon Smith. To purchase Pest Management in Wisconsin Field Crops—2020, visit th...

Author(s) K. A. Delahaut. Onion thrips (Thrips tabaci) are an important annual pest of onion. They may attack nearly all garden crops, but serious...

Author(s) K. A. Delahaut. Onion maggots (Hylemya antiqua) are tiny maggots that feed below ground on onion bulbs, making tunnels in the bulbs and ...

Author(s) Karen Delahaut, Walt Stevenson. Three types of botrytis diseases affect onion crops. Botrytis leaf blight is a destructive disease cause...

Author(s) Karen Delahaut, Walt Stevenson. Bacterial decay, known as soft rot, is one of the most widespread and destructive storage diseases of on...

Author(s) Karen Delahaut, Walt Stevenson. Onion smut can be a serious disease of onions, leeks, and shallots. The disease is caused by the fungi U...

Author(s) Karen Delahaut, Walt Stevenson. Purple blotch causes onion leaves to become blighted and die prematurely. The result is reduced yields f...

Author(s) Karen Delahaut, Walt Stevenson. This disease, caused by the common soil fungus Fusarium oxysporum f. sp. cepae, can be found wherever on...

Author(s) Karen Delahaut, Walt Stevenson. Downy mildew is a destructive disease that can reduce yield and bulb quality of onions, garlic, leeks, s...

Author(s) Sarah Schramm, Eileen Cullen. This colorful guide offers tips for using blacklight traps to catch and identify moths. Details include in...

Author(s) Midwest Fruit Workers Group. This publication is only available through Purdue Extension's Education Store. Free PDF Single copies from...

Author(s) Claire Strader, Julie Dawson. One of the most common criticisms of organic agriculture is that it relies too heavily on tillage. While o...

Author(s) R. Chris Williamson. This fact sheet on the Japanese beetle, considered the single most important turf grass pest in the United States ...

Author(s) Mark J. Renz. Perennial pepperweed (Lepidium latifolium L.) is an invasive creeping herbaceous perennial weed first found in Wisconsin ...

Author(s) R. Chris Williamson, Samuel Soper, P. J. Liesch. This handy chart lists pesticides that are most effective against common greenhouse pes...

Author(s) K. A. Delahaut. Tomato and tobacco hornworms feed on tomatoes late in the season. This fact sheet details the insects' life cycle, the d...

Author(s) D. J. Hagedorn. This guide provides essential scientific information and meaningful visual guidance regarding the most common diseases ...

Author(s) K. A. Delahaut. Wireworms can damage a host of plants in home and commercial gardens alike, including corn and small grains, vegetables ...

Author(s) Astrid Newenhouse, Bob Meyer, Larry Chapman. Durable, molded plastic containers can make harvesting, storing, and monitoring crop yield ...

Author(s) Astrid Newenhouse, Bob Meyer, Larry Chapman. Design a well-organized flow for tasks and products in your packing area (2 pages; Revised ...

Author(s) Astrid Newenhouse, Bob Meyer, Larry Chapman. Save time and energy with a narrow pallet system (2 pages; Revised in 2002).  Download