Season-long Weed Control Program Non-overseeded Bermudagrass Fairways or Roughs
Best Consistent Control and Resistance Management in highest weed pressure
Better Consistent Control and Resistance Management in higher weed pressure
Best Control on Sandy Soils >80% sand or <1% organic matter
For Ronstar-resistant goosegrass sites
Month Week
1 2 3 4 5 6 7 8
January
Ronstar FLO 1,2,3 81 fl. – 122 oz./A (2 .0 – 3.0 lb. ai./A) or Ronstar 2 on Fertilizer 2.0-3.0 lb. ai./A Specticle FLO
Ronstar ® FLO 1,,2,3 81 fl. – 122 oz./A (2 .0 – 3.0 lb. ai./A) or Ronstar 2 on Fertilizer 2.0-3.0 lb. ai./A
Specticle ® FLO 4 4.5 fl. oz./A
February
4 3.0 fl. oz./A
9 10 11 12 13 14 15 16 17
March
Specticle FLO 4 4.5 - 6.0 fl. oz./A Apply at 50% Turf Green Up
Specticle FLO 4 4.5 - 6.0 fl. oz./A Apply at 50% Turf Green Up
Specticle FLO 4 4.5 fl. oz./A Apply 60 days after previous appli- cation
April
18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49
May
June
July
Specticle FLO 4 2-3 fl. oz./A
Apply every 30-45 days after previous application. Strongly consider rotating other herbicide modes of action including other PRE’s, POST’s, and low rates of non-selectives where appropriate
August
Specticle FLO 4 3 .0 - 4.5 fl. oz./A Apply Aug 15 – Sep 7 in areas west of inland valleys Apply Sep 15 – Oct 7 in the inland valleys of CA and high desert Apply Sep 7 – Oct 30 in the low desert
September
October
PRE3 Specticle FLO 4 3 fl. oz./A + Tribute Total 1 oz./A + NIS 0.25% v/v + (Simazine 1 lb. ai./A or glyphosate (4 lbs. ai/gal.) 5 fl. oz./A) PRE3 Specticle FLO 4 3 fl. oz./A + (Simazine 1 lb. ai./A or glyphosate (4 lbs. ai/gal.) 5 fl. oz./A)
Specticle FLO 4 3 fl. oz./A + Tribute Total 1 oz./A + NIS 0.25% v/v
November
December 50 51 52 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
13
June 2026
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