Disease
Thrips hit onions; foliar disease boosts risk
Onion thrips are a major challenge to organic growers and to growers who grow onions with conventional practices. Foliar diseases like stemphylium are also a major challenge. New research from Michigan State University (MSU) is... more »
Bayer working on tomatoes ‘symptomless’ for ToBRFV virus
The trials, which begin late September in Mexico, will target two varieties of Roma tomatoes which show little or no symptoms of tomato brown rugose fruit virus (ToBRFV). Developing these varieties aligns with Bayer’s commitment to... more »
Northern corn leaf blight seen in late season planted sweet corn
Northern corn leaf blight (NCLB) is a disease caused by the fungal pathogen Exserohilum turcicum. The foliar lesions first develop on the lower leaves and are initially small, elliptical and gray-green in color. As the disease... more »
Vegetable diseases specialist to lead Cornell plant science
Christine Smart, a professor of plant pathology who specializes in the development of management strategies for vegetable diseases, has been appointed director of Cornell University's School of Integrative Plant Science (SIPS). She began her tenure... more »
Brassica black leg alert issued in eastern Washington
Black leg is reportedly present in multiple counties in eastern Washington. Washington State University Extension issued an alert for growers of seed crops of all kinds of brassicas (radish, canola, kale, mustard, turnip, etc.), as... more »
Ontario reports downy mildew on cucumber and cantaloupe
Downy mildew has been reported in Essex County in Ontario, Canada, putting the pathogen within easy striking distance of Michigan’s cucurbit crops. This pattern of downy mildew being detected in our immediate region around the... more »
Some downy mildew recommendations for cucumbers
Downy mildew causes severe leaf blight on cucurbit crops, including cucumber, melon, squash, and pumpkin (Figure 1). Incited by the fungal-like pathogen Pseudoperonospora cubensis, downy mildew has occurred every growing season for Michigan cucumber growers... more »
ManKocide registered for prevention of bacterial blight in carrots in three states
Idaho, Oregon and Washington departments of agriculture have granted 24c Special Local Need (SLN) registrations for the use of ManKocide fungicide/bactericide on carrots grown for seed to prevent bacterial blight. Bacterial blight is a seedborne... more »
Willowood introduces pyraclostrobin fungicide
Willowood Pyrac 2EC is now available from Willowood. The new introduction is a broad-spectrum fungicide that contains pyraclostrobin, the active ingredient in Headline. Willowood Pyrac 2EC is approved by the Environmental Protection Agency to protect... more »
App lets plant specialists assess disease severity
A new iPad app, called Estimate, connects plant professionals with a portable database of photographs of diseased leaves to help determine plant disease severity. Estimate relies on Standard Area Diagrams (SADs), a series of photographs... more »
Latest News
NC State improves raspberries
Controversial filling requirement reinstated
Organic produce sales returning
Current Issue
Editor’s letter: Praising the lowly cucumber
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From farm to can: Pacific Coast Producers
Cucumber powerhouse: Hartung Brothers
GLEXPO preview: Maximizing crop yield
Veg Connections: Volunteer potatoes
Farm Market & Agritourism: Choosing the right market channel
Ag Labor Review: More heavy lifting needed
Business: Improving the odds: Strategies to enact a successful succession plan
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