CONTROL OF PLANT GROWTH ALONG VIRGINIA HIGHWAYS

THIS IS A SUMMARY ANNUAL REPORT CONCERNING THE EFFECT OF HERBICIDES ON WEEDS GROWING IN PLANTINGS OF VARIOUS SPECIES OF TREES AND SHRUBS. WEED CONTROL WHEN USED UNDER NURSERY CONDITIONS WAS POOR WITH ALL HERBICIDES REGARDLESS OF THE DATE OF APPLICATION. GOOD WEED CONTROL WAS OBTAINED WITH CASORON, DYMID AND SIMAZINE IN ESTABLISHED JAPANESE HONEYSUCKLE. SEVERAL GROWTH RETARDANTS TESTED ON KENTUCKY 31 FESCUE WERE NOT AS EFFECTIVE AS MH 30 (MALEIC HYDRAZIDE), OR A NEW POTASSIUM SALT FORMULATION OF MH. FIELD TESTS INDICATE THAT TIME OF APPLICATION OF MH 30 IS CRITICAL, SPRING APPLICATIONS ARE MORE EFFECTIVE THAN FALL. LIMITED FIELD AND GREENHOUSE TESTS USING RADIOACTIVELY LABELED HERBICIDES INDICATE THAT DOSE RATE, SPRAY VOLUME AND ADDITIVES EMPLOYED MAY BE CRITICAL IN THE CONTROL OF MULLEIN AND MILKWEED. /BPR/

• Supplemental Notes:
  • Hpr-1 (4), 0475
• Corporate Authors:

  Virginia Polytechnic Institute and State University, Blacksburg

  Virginia Tech Transportation Institute
  3500 Transportation Research Plaza
  Blacksburg, VA  United States  24061

  Bureau of Public Roads /US

  400 7th Street, SW
  Washington, DC  United States  20590
• Authors:
  • Foy, C L
  • Coats, G E
• Publication Date: 1968-6

Subject/Index Terms

• TRT Terms: Dosage; Field tests; Herbicides; Planting; Retarders (Chemistry); Shrubs; Trees; Weed control
• Subject Areas: Highways; Maintenance and Preservation;

Filing Info

• Accession Number: 00218032
• Record Type: Publication
• Source Agency: Bureau of Public Roads /US
• Files: TRIS
• Created Date: Mar 5 1994 12:00AM