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Integrated Weed Management recommendations <br />CULTURAL <br />:It is imperative <br />competitive Integrated Weed <br />1 Management. <br />a wheatgrass. The combination <br />?�. <br />of - • • - . <br />• _ . • seeding Because ofthe <br />competitive r • . • better grasses than spraying • - variability ofthe <br />Beck, toadflax species, <br />iris critical to <br />Q integrate as many <br />.V.4 management <br />BIOLOGICAL I . • . predatory strategies as <br />7 possible into <br />.* • the control <br />of Dalmatian 1�11 - • - • • • • • • , program. Two <br />�� <br />"1 . Ioca1 populations <br />_ • ma also ' y respond <br />contact _ Palisade Insectary of differently to the O <br />:,Colorado Department Agriculture ; same herbicides. <br />V Keys to <br />management are <br />WWW to prevent seed <br />formation and <br />vegetative spread <br />• _ . • • . • • by roots. <br />` P Controlling <br />• • • - -• • - • toadflaxes <br />V , is expensive of the root system. Monit• <br />t j •< < i.: �� <br />for • <br />years • remove seedlings in dihicult, <br />produced from dormant seeds. prevention is the <br />�r best option. <br />Cd <br />HERBICIDES <br />NOTE: The following are recommendations for herbicides that can be applied to range and <br />pasturelands. Rates are approximate and based on equipment with an output of 30 gal /acre. <br />Please read label for exact rates. Always read, understand, and follow the label directions. The <br />herbicide label is the LAW'. <br />Y <br />coL Ano <br />DEPAB?YEIIT OF <br />AQRMULTURE <br />Top photo, © Kelly Uhing, Colorado Department of Agriculture. Calophasia lunula larva photo © Bob Richard, USDA <br />APHIS, Invasive.org. Handpulling toadflax photo © Lake Tahoe Environmental Education Coalition. <br />HERBICIDE RATE APPLICATION TIMING <br />Picloram Jordon <br />22K) <br />2 -4 pints /acre <br />Apply when flowering in spring and /or in the <br />fall. <br />Avoid spraying near <br />Add non -ionic surfactant @ 0.32oz /gal water <br />trees and /or water <br />or 1 qt /100 gal water. <br />Chlorsulfuron (Telar) <br />2 -3 oz. /acre <br />Apply at flower stage in spring and /or in the <br />fall. <br />Add non -ionic surfactant @ 0.32 oz /gal. water <br />or 1 qt. /100 gal. water. <br />2,4 -D + Dicamba <br />2 qt. + 2 qt/ acre <br />Apply during pre -bloom to flower stage in <br />(Rangestar) <br />spring. Add non -ionic surfactant @ 0.32 oz/ <br />gal. water or 1 qt /100ga1 water. <br />Retreatment is required for several years. <br />