Jun 28, 2018
Torac now allowed in eastern US

Torac insecticide from Nichino America has been granted a label expansion by the EPA allowing use in potatoes in states east of the Mississippi River. Previously restricted to states west of Mississippi River, this label now allows the product to be eligible for registration in all states.

Nichino said the insecticide provides fast broad-spectrum control of potato psyllid, Colorado potato beetle, aphids, leafhoppers and thrips. The active ingredient in Torac, tolfenpyrad, works by blocking cellular respiration and is designed to be effective on all life stages of the pest, including eggs, nymphs and adults.

Torac belongs to the mitochondrial electron transport inhibitor or METI class of compounds, IRAC Group 21A insecticide. Nichino advises that for effective resistance management, Torac should be used in rotation with insecticides of different modes of action.

Torac is a contact foliar insecticide, which means that sufficient spray coverage is needed. The company also recommends that Torac be used with a minimum water volume of 20 gallons per acre by ground and a minimum of 5 gallons per acre by air. Torac is also labeled for chemigation in potatoes. Based on the label, potato growers can make two applications per crop cycle at a 14 to 21 fluid ounce rate, depending on the pest. The label also states a 12-hour re-entry interval and a 14-day preharvest interval.

 






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