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WWW.POTATOGROWER.COM 45 attracted seed-borne late blight. The disease also brushed the CSS crop, so Zens figured he would need additional protection in 2016. As the season rolled into production, Zens decided to trust Orondis Opti. "We did two applications of Orondis at the lower recommended rate," Zens says, as part of a broader late-blight program. "We never picked up any disease in- season, despite heavy pressure." Wilson Faircloth, a Syngenta agronomic service representative based in Leesburg, Ga., credits much of the product's success to oxathiapiprolin's mode of action. He likens the concept to a human who takes the same antibiotics over and over again. Eventually, without new ways to tackle the problem, the medicine will become ineffective. "New modes of action are critically important when fighting diseases," says Faircloth, who works with growers who depend on healthy crops of cucumbers, peppers and squash to make a living. "It was obvious from the start how powerful Orondis was." See a dealer near you or for more information call 208-524-0000 QUICK IN-FIELD REPAIR See a dealer near you or See a dealer near you or for more information 167857QuiSpl16h.indd 1 7/10/17 2:47 PM 167815IndVen12h.indd 1 7/19/17 2:02 PM THE PERFECT FIT Orondis Opti is designed for use in no more than one-third of the total applications in an overall spray program. For potatoes, applications may begin when the plants are 12 to 15 inches tall. Subsequent sprays can be made at row closure and again several weeks prior to harvest. With cucurbits, sprays can begin 10 to 14 days after transplant. In direct-seeded plants, Orondis Opti may be applied when two true leaves appear. Additional applications can be made one to two weeks later. Orondis Opti fits into a broad-based program of other products for tackling late blight, including Bravo Weather Stik, Revus Top and Omega fungicides. "Last year, our first line of defense was Orondis Opti," Zens says. "We were so impressed that we're going with the same program in 2017."