Southwestern Zone
Late Winter/Spring Weed Control Program Warm-season Fairways and Roughs
Month February 1 July Week 5 6 7 8 9 10 11 12 13 14 15 16 17 18 192021 222324252627282930 March April May June
Prioritized Options
Priority Explanation
Specticle FLO 4 4.5 fl. oz./A Apply 60 days after previous application
For Ronstar- resistant
Specticle ® FLO 4 4.5 fl. oz./A
goosegrass sites Control through August
Better
Ronstar ® FLO 2 81-122 fl. oz./A (2.0-3 lb ai/A) or Ronstar 3 on Fertilizer 2.0 – 3.0 lb. ai/A
Ronstar 3 on Fertilizer 2 lb. ai/A Apply 90 days after previous applications
Control through August
Best
Turf grown in soil exceeding 80% sand
Specticle FLO 2 2-3 fl. oz./A, apply every 30-45 days after initial application. Also consider rotating other herbicide modes of action other PRE’s, POST’s, and low rates of non-selectives where appropriate
Control through August
Best
Specticle FLO 4 3.0 fl. oz./A
Follow all label directions and local recommendations. 1 If turf is dormant, non-selective herbicides like Roundup ® Pro can also be added to the tankmix to expand the number of MOA’s. 2 Higher rate should be used in most areas for maximum control and resistance management, lower rates could be considered in lower pressure areas. 3 Spread rate should be minimum of 250 lbs of fertilizer per acre for regular granule size and 200 lbs per acre for mini granule size. 4 Do not apply if turf injury is present and assess turf quality before each application
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