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Tag "powdery mildew"

Oklahoma Wheat: Rust Is Present but Not Plentiful

Oklahoma Wheat: Rust Is Present but Not Plentiful

👤By Bob Hunger, Oklahoma State University 🕔Apr 24, 2017

Wheat around Stillwater varies but appears to be in various stages of grain formation. Based on talking to a number of producers across northern Oklahoma, wheat heads have fully emerged but have not yet flowered or just beginning to flower. Of

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Ohio Wheat: Managing Septoria Leaf Blotch, Powdery Mildew

Ohio Wheat: Managing Septoria Leaf Blotch, Powdery Mildew

👤By Pierce Paul, Ohio State University 🕔Apr 18, 2017

It has been cool, wet, and very humid so far this spring – perfect conditions for early season diseases like Septoria tritici blotch and powdery mildew to develop. Both of these diseases usually become established in the fall, thus getting

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Oklahoma Wheat: Powdery Mildew, Rust, and Barley Yellow Dwarf, with Some Streak Mosaic

Oklahoma Wheat: Powdery Mildew, Rust, and Barley Yellow Dwarf, with Some Streak Mosaic

👤By Bob Hunger, Oklahoma State University 🕔Apr 14, 2017

As expected, over the last week the disease situation has change significantly. Wheat around Stillwater is mostly nearing complete heading to starting of flowering (Feekes’ GS 10.1 to 10.5.1). In Jackson County (far southwestern Oklahoma), Gary Strickland (Extn Educator; Jackson

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Oklahoma Wheat: Expect Foliar Diseases to Increase with Wet Weather

Oklahoma Wheat: Expect Foliar Diseases to Increase with Wet Weather

👤By Bob Hunger, Oklahoma State University 🕔Apr 5, 2017

Yesterday (4/4) wheat in my foliar fungicide trial at the Plant Pathology Farm located just west of Stillwater appeared to be at GS 10 to 10.1 (head in the boot to awns just emerging from the boot).  The field was

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Michigan Wheat: Managing Leaf Diseases and Fusarium Head Blight

Michigan Wheat: Managing Leaf Diseases and Fusarium Head Blight

👤From Michigan State University Extension 🕔May 31, 2016

Editor’s Note: For tables see full article at the source link at the bottom of the page. Wheat leaf diseases such as powdery mildew, Septoria leaf spot and stripe rust are prevalent in some fields this season. Many farmers are

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South Dakota Wheat: Fungicides – Apply at Flag Leaf or Wait for Flowering?

South Dakota Wheat: Fungicides – Apply at Flag Leaf or Wait for Flowering?

👤By Emmanuel Byamukama and Dalitso Yabwalo, South Dakota State University 🕔May 24, 2016

Emerging Wheat Diseases With the rains that we’ve had so far throughout the state this spring, moderate levels of some wheat leaf diseases are developing, notably powdery mildew (Fig. 1), stripe rust, and tan spot. Some producers are wondering whether

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Michigan Wheat: Scout for Stripe Rust, Other Leaf Diseases Now

Michigan Wheat: Scout for Stripe Rust, Other Leaf Diseases Now

👤By Martin Nagelkirk, Michigan State University Extension 🕔May 13, 2016

Much of what successful wheat growers do during May is protect the crop during its early reproductive stages from crop pests. One of the largest threats to productivity is foliar diseases. Although genetic resistance usually does the heavy work, particular

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Delaware Wheat: Flowering Fields at Heightened Scab Risk

Delaware Wheat: Flowering Fields at Heightened Scab Risk

👤By Nathan Kleczewski, University of Delaware 🕔May 9, 2016

Wheat in southern parts of MD and DE, as well as some early flowering varieties, began flowering the latter half of last week and most of the remaining wheat I expect to flower sometime in the next 7-10 days, depending

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Nebraska Wheat: Stripe Rust and Aphids Confirmed

Nebraska Wheat: Stripe Rust and Aphids Confirmed

👤By Stephen Wegulo, Robert Harveson, Robert Wright, and Jennifer Rees, University of Nebraska-Lincoln 🕔Apr 20, 2016

In surveys of wheat fields on April 8 and April 12-14, stripe rust and leaf rust were found at trace to low levels in south central and southeast Nebraska. Samples from several wheat fields in Banner County in the Nebraska

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Virginia Wheat: Scout Fields Now for Diseases

Virginia Wheat: Scout Fields Now for Diseases

👤By Hillary Mehl, Virginia Cooperative Extension 🕔Apr 8, 2016

As the wheat crop approaches the flag leaf emergence growth stage, it is time to start thinking about disease management. When conditions are conducive to disease development (e.g. high humidity, warm temperatures) foliar fungicide applications may be necessary to protect

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