Newly developed Union Fungicide SC from PBI-Gordon Corporation is specifically formulated to provide excellent disease control on golf courses, residential and commercial properties, sod farms, and sports fields. Union is not yet available for sale or distribution. U.S. Environmental Protection Agency registration for the fungicide is anticipated for mid- to late-2019.
Testing has shown that Union is effective in the preventative and curative treatment of pythium diseases (blight, damping off, root dysfunction, root rot), brown patch, anthracnose, cool-weather brown patch, yellow patch, fairy ring, gray leaf spot, red thread, summer patch and rhizoctonia.
A flowable liquid, Union is a formulation of the active ingredients azoxystrobin and cyazofamid. The dual modes of action in the fungicide features a proprietary combination of chemistry found in FRAC Groups 11 and 21.
Union will be labeled for use on all cool-season and warm-season turfgrasses: Kentucky bluegrass, fine fescues, tall fescue, perennial ryegrass, bentgrass, Bermudagrass (common or hybrid), bahiagrass, buffalograss, centipedegrass, kikuyugrass, seashore paspalum, St. Augustinegrass and zoysiagrass.
Other proposed features of Union fungicide include:
- The labeled application rate range is 2.9 to 5.75 fl. oz. per 1,000 feet
- Sold in 2.5-gallon jugs
- No temperature restrictions
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