Crops

Author(s) Karen Delahaut, Walt Stevenson. Cercospora leaf spot is the most prevalent and devastating disease of the table beet in Wisconsin. This ...

Author(s) K. A. Delahaut Aster leafhoppers feed on vegetables, field crops, flowers and weeds, spreading aster yellows disease. Learn when to scou...

Author(s) Zahi K. Atallah, Walter R. Stevenson. Potato tubers may become infected in the field but show no symptoms for days, or even weeks, after...

Author(s) K. A. Delahaut. The common and spotted asparagus beetle are common pests in Wisconsin. This fact sheet details the insects' life cycle, ...

Author(s) K. M. Kobriger, D. J. Hagedorn, W. R. Stevenson.  Bean root rot is one of the most destructive diseases of commercially grown snap beans...

Author(s) Scott Sanford. The air temperature of a greenhouse is critical for plant growth and disease control, and the type of heater used to heat...

Farmers using managed grazing often describe it in terms such as less stressful or family friendly. Practical benefits come along with the lifesty...

Author(s) Dan Undersander, Brian Pillsbury. Wisconsin's streams are one of our most precious natural resources. When streams flow through pasture ...

Author(s) Dan Undersander, Stan Temple, Jerry Bartlet, Dave Sample, Laura Paine. Over 40 species of grassland birds breed in Wisconsin, and some o...

Author(s) Teryl R. Roper.  For fruit to develop, pollen must be transferred from the anther to the stigma. Find out which crops require pollen fr...

Author(s) Don Ball, Ed Ballard, Mark Kennedy, Garry Lacefield, Dan Undersander. Extending the grazing season and reducing the need for stored feed...

Author(s) Dennis Cosgrove, Dan Undersander, Maurice Davis. Good pasture condition is critical to a successful grazing system. Pasture quality may ...

Author(s) Amanda Gevens, Michelle Marks. Cucurbit downy mildew is a destructive disease of all plants in the gourd family, including cucumber, wa...

Author(s) K. A. Delahaut. Spotted and striped cucumber beetles damage vine crops like cucumbers, squash, watermelons, muskmelons, and pumpkins. Th...

Author(s) Patricia S. McManus. Leaf spot diseases of cranberry are common in Wisconsin, but losses are usually insignificant. Learn about the thre...

Author(s) P. S. McManus, A. Vasanthakumar, V. Best. Cranberry stem gall is a sporadic problem in Wisconsin. Once infected, vines take several year...

Author(s) Patricia S. McManus. Learn about the fungi that cause fruit rot in cranberries and management strategies. Also describes three disorders...

Author(s) Patricia S. McManus. Cottonball, a disease caused by the fungus Monilinia oxycocci, fills berries with a cotton-like fungus and makes th...

Author(s) Christopher Anderson, Diane Mayerfeld. The drought has left many Wisconsin growers short on forage to feed their animals. As a consequen...

Author(s) Karen Delahaut, Walt Stevenson. Common smut is caused by the fungus Ustilago maydis and is the most widespread disease of sweet corn, oc...

Author(s) John Panuska, Laura Ward Good, Richard Wolkowski. This publication focuses on ways to manage corn production on former CRP lands that re...

Author(s) John Panuska, Laura Ward Good, Richard Wolkowski. This publication evaluates phosphorus loss via runoff from a variety of different till...

Author(s) K. A. Delahaut This publication is packed with practical information for organic and conventional growers who encounter Colorado potato ...

Author(s) Christelle Guédot, Janet van Zoeren. Learn about best management practices that promote yield and protect pollinators on the cranberry m...

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