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Commercial Vegetable Production in Wisconsin—2022
Author(s) J. B. Colquhoun, S. A. Chapman, A. J. Gevens, R. L. Groves, D. J. Heider, B. M. Jensen, G. R. W. Nice, M. D. Ruark, Y. Wang. This guide o...
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$0.00Tomato and Pepper Disorders: Bacterial Spot and Speck
Author(s) Karen Delahaut, Walt Stevenson. Bacterial spot and speck are found wherever tomatoes or peppers are grown. On occasion, these diseases ...
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$0.00Weed Management in Organic Vegetable Production: A Practical Review of Applied Research
Author(s) Jed Colquhoun. This manual provides an objective analysis of organic weed management strategies, based on peer-reviewed and published ap...
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$0.00Brown Marmorated Stink Bug: An Invasive Insect Pest
Author(s) Christelle Guédot, Janet van Zoeren. In the summer of 2016, the brown marmorated stink bug (BMSB) was detected for the first time in agr...
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$0.00Tomato Disorders: Fusarium and Verticillium Wilts
Author(s) Karen Delahaut, Walt Stevenson. Fusarium and Verticillium wilts once routinely devastated tomato crops. However, the availability of res...
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$0.00Tomato Disorder: Physiological Fruit Problems
Author(s) Karen Delahaut, Walt Stevenson. Environmental factors can affect the look—and sometimes the flavor—of developing tomato fruits. Because ...
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$0.00Biological Control of Insects and Other Pests of Greenhouse Crops
Author(s) Susan E. Rice Mahr, Raymond A. Cloyd, Daniel L. Mahr, Clifford S. Sadof. Greenhouse managers wage ongoing battles with insect pests. Thi...
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$0.00Potato Late Blight
Author(s) Amanda Gevens, Jaime Wilbur. Late blight affects a variety of plants in the Solanaceae family but is best known for its destruction of ...
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$0.00Vine Crops Disorder: Angular Leaf Spot
Author(s) Karen Delahaut, Walt Stevenson. Angular leaf spot is a bacterial disease that can be economically damaging to cucumbers, honeydew melon,...
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$0.00Vine Crops Disease: Phytophthora Blight
Author(s) Karen Delahaut, Walt Stevenson. Phytophthora blight is a fungal disease capable of completely destroying zucchini, pumpkin, summer squas...
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$0.00Tomato Late Blight
Author(s) Amanda Gevens, Jaime Wilbur. Late blight can result in complete destruction of tomato crops if left unmanaged. Learn about the symptoms...
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$0.00Tomato Disorders: Early Blight and Septoria Leaf Spot
Author(s) Karen Delahaut, Walt Stevenson. Both early blight and Septoria leaf spot are potentially serious diseases that affect the leaves, stems,...
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$0.00Cole Crops Disorder: Clubroot
Author(s) Karen Delahaut, Walt Stevenson. Clubroot is an old and serious disease of cole crops, including Brussels sprouts, cabbage, Chinese cabba...
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$0.00Cole Crops Disorder: Blackleg
Author(s) Karen Delahaut, Walt Stevenson. Once a very destructive disease, blackleg of cole crops has become less important with the introduction ...
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$0.00Cole Crops Disorder: Black Rot
Author(s) Karen Delahaut, Walt Stevenson. Black rot is one of the most serious diseases of cole crops. Learn about black rot's life cycle, how it ...
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$0.00Caterpillar Pests of Cole Crops
Author(s) Karen A. Delahaut. This fact sheet covers the imported cabbageworm, the cabbage looper, and the diamondback moth. Scouting tips and effe...
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$0.00Carrot Diseases: Alternaria and Cercospora Leaf Blights
Author(s) Karen Delahaut, Walt Stevenson. Alternaria and Cercospora leaf blights are common fungal diseases of carrot leaves and petioles. Learn a...
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$0.00Cabbage Maggot
Author(s) K. A. Delahaut. Cabbage maggots are insects that damage cole crops by feeding on the plant's roots and lower stems. Wounds produced by t...
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$0.00Black Cutworm
Author(s) Karen Delahaut. Black cutworm larvae are active nighttime feeders, clipping many seedlings at or below the soil line. They prefer beets,...
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$0.00Beet Disorder: Cercospora Leaf Spot
Author(s) Karen Delahaut, Walt Stevenson. Cercospora leaf spot is the most prevalent and devastating disease of the table beet in Wisconsin. This ...
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$0.00Assessing the Decay Potential of Potato Crops
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...
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$0.00Asparagus Beetle
Author(s) K. A. Delahaut. The common and spotted asparagus beetle are common pests in Wisconsin. This fact sheet details the insects' life cycle, ...
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$0.00European Corn Borer
Author(s) Eileen M. Cullen, John Wedberg. This fact sheet details the life cycle of the European corn borer, or Ostrinia nubilalis, including the ...
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$0.00Cucurbit Downy Mildew: Identification and Management
Author(s) Amanda Gevens, Michelle Marks. Cucurbit downy mildew is a destructive disease of all plants in the gourd family, including cucumber, wa...
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