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Page 19 of " <br />Appendix l <br />dicamba is very effective when applied during the early pre-bud stage (late May through early June) <br />(ilyphosate at 1.5 lb. aiiacre applied during the flower stage will provide good control ot'huary cress. <br />Picloram does not control Hoarv cress. <br />Field bindweed <br />NIANACENIENT <br />Establishment of selected, aggreSSt%, C grasseS can be an cl recti\ e cultural control of IICILI bindweed. Contact <br />your local Colorado State t.inivcrsity Extension office Or Natural Resources Conservation Service office tirr <br />seed mix recommendations. Good grazing management will stimulate grass growth and keep pastures <br />healthy. Healthy pastures may be more resistant to field bindweed invasion. Bare spots caused by <br />Overgrazing arc prime habitat for weed rntcstations. <br />Meebanical and Control of Field Bindweed <br />Cutting, mowing, Or pulling has a negligible effect unless the plants are cut below the surface in the early <br />seedling stage. Wcll-established populations have a large seed bank in the Soil that can remain \ iable for <br />over 40 years. <br />Chemical Control of Field Bindweed <br />1 he tOllowutg arc recommendations tier herbicides that can be applied to range and pasturelands. Optimum <br />results occur when the plants have recently received moisture and are actively growing <br />Herbicide Rate Application Timing/Comments <br />Clarity + 2.4-D Amine 1 qt./acre for each product Spring- at or just after full-bloom <br /> or andior fall. <br /> 1 oz/gal water for each product DO NOT apply when outside <br /> temperature, will exceed 85 <br /> degrees. <br /> DO NOT apply near or under <br /> trees or where soils have rapid <br /> )ermeahility or where water level