Transition Zone
Fall/Winter Weed Control Program Bermudagrass / Zoysia Fairways
Aggressive seedhead of annual bluegrass allows exponential spread if left untreated in the fall. (Envu)
Month
September
October
November
December
Prioritized Options
Priority Explanation
Week 36 37 38 39 40 41
42 43 44 45 46 47 48 49 50 51
52
Good • Control through April
Specticle FLO 1 9 fl. oz./A
PRE3 2 Specticle ® FLO 1 6 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 2 Specticle ® FLO 1 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)
• Most Consistent Control • Resistance Management • Control through April
Bet ter
PRE3 2 Specticle ® FLO 1 3 f l. oz./A + (Simazine 1 lb. ai./A or glyphosate (4 lbs. ai/gal.) 5 fl. oz./A)
• Most Consistent Control • Resistance Management • Control through April
Best
Sand >85% or Soil Organic Matter <0.1%
Specticle FLO 1 3 fl. oz./A Apply 30-45 days after previous application
Specticle FLO 1 3 fl. oz./A Apply 30-45 days after previous application
Specticle FLO 1 3 fl. oz./A
Bet ter
• Control through April
PRE3 2 Specticle ® FLO 1 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 2 Specticle ® FLO 1 3 fl. oz./A + (Simazine 1 lb. ai./A or glyphosate (4 lbs. ai/gal) 5 fl. oz./A)
• Most Consistent Control • Resistance Management • Control through April
Best
1 Do not apply if turf injury is present and assess turf quality before each application. Do not apply during periods of excessive soil moisture. 2 Read and follow all label directions especially with regards to applications around cool-season turf
Annual bluegrass can germinate over a wide range of temperatures, so a preemergence herbicide is needed for most effective control. (Envu)
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