06-26-2001 Agenda Packet - Laserfiche WebLink

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Control of Buckthorn Garlon 3A is non-restricted use, packaged in 2.5 Buckthorn management is labor intensive and gal. containers. Active ingredient -triclopyr effective control is difficult without some herbi- 44.4% amine salt. cide usage. Control strategies can include one or more of the following: cut stump treatments, Application: Always wear protective eye gear basal bark treatments, foliar treatments, fire, (serious eye risk). Applied undiluted using a crown removal and mechanical removal. Best brush or wick applicator or low volume spray. A management practices have not been developed. blue dye marker in solution will mark treated stumps. Cut stump treatments have utilized the follow- ing herbicide products: Tordon RTU, Garlon, and .Advantages: more cost effective on large acreage, Roundup. These formulations are typically amine salt formulation stays put,high efficacy, available only from farm/industrial chemical year round use. dealerships. The public can purchase all products listed here without a special license but container Disadvantages: poses health risk (serious eve size often prohibits their use in smaller applica- injury), must be mixed (water, dye), cost per tions. gallon and container size makes use impractical unless acreage is large. Homeowners wishing to Misuse of pesticides can injure applicator and/ treat a small number of plants can purchase or damage the environment. Always READ triclopyr as Ortho's "Brush-B-Gon''. THE LABEL before applying! Know what _ you are doing before using any chemical. Use proper equipment that is in good working condition. Wear proper protective gear. Roundup/Rodeo is non-restricted use and comes packaged in 1 gal. containers. Active ingredient- !; �� glyphosate (roundup, 41.0%; rodeo, 53.8%). Tordon RTU is non-restricted use, packaged in 1 Application: Mix 1 to 3 with water, add spreader gal. containers. Active ingredients - picloram, sticker and dye. Apply to all stump surfaces 5.4%; 2,4-D, 20.9%. above ground with pressure sprayer. Apply when temperature is above 32 degrees F. Must be Application: Use brush or wick applicator. Good applied within 24 hours of cutting. quality brushes hold liquid better, foam brushes quickly disintegrate. Cover outer cambium laver Advantages: less environmental/user risk. completely. Application by pressure sprayer may greatly increase non-target impact. Avoid over Disadvantages: low efficacy reported, must be application. mixed (water, dye, spreader sticker), moderately expensive, will not work if applied during bud Advantages: ready to use (no mixing), relatively break and leaf expansion in spring. inexpensive per container size, high efficacy, year round use. Disadvantages: picloram moves readily in soil, is Crown removal without chemical treatment highly toxic to non-target plants. is a major temporarily eliminates fruit production; however groundwater contaminant and persists in the stumps will resprout profusely. If used in con- environment. junction with fire, several growing seasons may be required for adequate fuel buildup to sustain a _ hot burn. Resprouting stumps can also be treated with foliar sprays in following seasons. Page