Fungicides

Twig blossom blights in Michigan blueberries need attention

We are three weeks past the May 9, 2020, freeze that hit southwest Michigan. Growers have been evaluating flowers for freeze injury. Besides damage to blossoms, we see dead shoot tips and damage to the tips of... more »

Blueberry growers need to focus on anthracnose fruit rot as bloom ends

Early in the season, blueberry growers focus on controlling mummy berry shoot blight. During early bloom, the focus shifts to controlling the blossom infection phase of mummy berry. Mummy berry blossom sprays target blooms soon after they open to... more »

MSU’s George Sundin says fire blight risk very high in Michigan

Temperatures over the past several days, from May 20 to 22, 2020, have been in the 60s and could have allowed the initial buildup of the fire blight pathogen. Forecast temperatures in the low to... more »

Summit Agro’s new Regev Fungicide creates a step change in disease control

Summit Agro USA has introduced what it's calling the first hybrid fungicide for U.S. agriculture – Regev. According to a news release, this next generation disease control product combines the benefits of a botanical product... more »

Gowan’s EcoSwing Botanical Fungicide listed in recently added FRAC group

Gowan USA's EcoSwing Botanical Fungicide has been listed by the Fungicide Resistance Action Committee as a group BM01 fungicide. The BM group is a recent addition to the Fungicide Resistance Action Committee (FRAC) code list... more »

Apple disease control: Bloom through petal fall tips from Penn State

The 2020 season is shaping up to be very interesting, as well as challenging. Based on our current conditions and the forecast, we may experience a protracted bloom this season for a large part of... more »

Pierce’s disease-resistant vines planted at Texas winery

Pierce's disease-resistant vines are being planted at a winery in Johnson City, Texas. The vines are currently being planted at Carter Creek Winery Resort & Spa in Texas Hill Country Carter Creek Winery. This is... more »

Mummy berry has returned and new products are available for control

Michigan blueberries are at green tip. These shoots are very susceptible mummy berry infections. Mummy berry apothecia, also known as trumpets or mushrooms, have been found in west Michigan in Ottawa County, and are probably... more »


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