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Page 19 of 23 <br />Appendix 1 <br />dicamba is very et~ective when applied during the early pre-bud stage (late May through early June) <br />Glypliosate at 1 5 Ib. ai/acre applied during the flower stage will provide good control of hoary cress. <br />Picloram does not control Hoary cress. <br />Field bindweed <br />1V1ANA(;F.MENT <br />Establishment of selected, aggressive grasses can be an effective cultural control of field bindweed. ('ontact <br />your Icxal Colorado State University Extension otlice or Natural Resources Conservation Service olTce for <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 are prime habitat for weed infestations. <br />1lechanical and Control of Fielct Bindweed <br />Cutting, mowing, or pulling has a negligible effect unless die plants are cut below the surface in the early <br />seedling stage. Well-established populations have a large seed bank in the soil that can remain viable for <br />over 40 years. <br />Chemical Control of Field Bindweed <br />The following are recommendations for hefiicides 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 Rote Application 'l'iming/Comments <br />Clarity +'_',4-D Amine I yt./acre for each prcxtuct Sprang- at or~ust after Dull-blix~m <br /> or and/or fail I. <br /> 1 ozJgal water for each prexiuct DO NOT appt~ aficn outside <br /> tempcrrtures will ex~ced KS <br /> de>•rces. <br /> DO NUT apply near ur under <br /> trees <,r w here soils have rrprd <br /> rmeabilit ur where water Icvel <br />