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Monitoring of the property for the existence of any new noxious weeds and to determine <br />the effectiveness of controls already applied is a very important aspect of weed <br />management. Early detection and control of noxious weeds will save money and time in <br />the long run. Throughout the growing season this property shall be carefully monitored <br />for the start of any new noxious weed populations. The overall property shall be scouted <br />at least once a year and examined for the start of any weed problems. It is up to the <br />permit holder to become familiar with the weeds on the County and State noxious weed <br />list. Contact the Routt County Weed Program with questions about weed species and <br />suggested treatments. <br />Specific Treatments <br />All herbicide recommendations contained herein are for general management purposes <br />only, and are in no way meant to replace or supersede any information contained on the <br />herbicide label. Herbicide labels and recommended rates change, and an applicator must <br />read the label to see if the following recommendations are still within labeled parameters. <br />The herbicide label is the law and any deviation from the instructions on the label <br />constitutes a violation of the law. <br />White toy (Cardaria draba) is also known as hoary cress. It is a perennial, producing by <br />seeds and rhizomes. It does not respond well to mechanical means of control such as <br />cutting, digging pulling or mowing. Like other aggressive, rhizomatous perennials <br />herbicides offer the only long term control. The premier herbicides for control of <br />whitetop are in the sulfonylurea group of herbicides and include Escort at 1.5 oz/acre or <br />Telar at i oz/acre. The application needs to be made early in the season, preferably prior <br />to full flowering, but absolutely before any fading of color is detected in the blossoms. <br />In the spring, when plants are actively growing, it responds well to 3/4 oz. Escort + 16 oz. <br />2,4-D amine per acre. Sixteen oz. of Banvel + 16 oz. 2,4-D amine per acre is less <br />effective but still acceptable. Be sure and use a good quality surfactant with these mixes. <br />The best treatment we have found is 1 oz. of Telar mixed with 32 oz. of MCPA, applied <br />in 15-30 gat of water / acre in the spring just as blossoms form. <br />