Programs Green Solutions
Golf Preemergence Recommendations Gulf Atlantic Zone 2019-2020
Winter/Spring Recommendations for Crabgrass and Goosegrass
High Sand/Low Organic Matter Content Soils
Control of Goosegrass and Crabgrass and labelled broadleaf weeds through August Option 2
Control of Goosegrass and Crabgrass through August Option 1
Control of Goosegrass and Crabgrass and labelled broadleaf weeds through August Option 3
Control of Goosegrass and Crabgrass and labelled broadleaf weeds through August Option 4
Month Week
Week Month
1 2 3 4 5 6 7 8 9
1 2 3 4 5 6 7 8 9
January
January
Ronstar ® FLO (3.0 lb ai/A)
Specticle ® FLO 2
Ronstar FLO (3.0 lb ai/A)
Specticle FLO 3
122 fl oz/A
8-10 fl oz/A
122 fl oz/A
3.0 fl oz/A
February
February
or Ronstar + Fertilizer 1
or Ronstar + Fertilizer 1
3.0 lb ai/A
3.0 lb ai/A
10 11 12 13 14 15 16 17 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 48 49 50 51 52
10 11 12 14 15 16 17 18 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 48 49 50 51
March
Specticle FLO
March
3.0 fl oz/A
Apply 30-45 days after the first application 13
April
April
Specticle FLO
Specticle FLO
Specticle FLO 3
3.0 fl oz/A
4.5-6 fl oz/A
3.0 fl oz/A
Apply 30-45 days after the second application 19
or Ronstar + Fertilizer 1
May
Apply 90 days after the first application
May
2.0 lb ai/A
Apply 90 days after the first application
Specticle FLO
June
June
3.0 fl oz/A
Apply 30-45 days after the second application
July
July
1 Spread rate should be minimum of 250 lbs of fert per acre for regular granule size and 200 lbs per acre for mini granule size. 2 Not for use if winter kill is a concern. 3 Do not apply if turf injury is present and assess turf quality before each application.
Fall Recommendations for Poa annua and Other Winter Annuals
High Sand/Low Organic Matter Content Soils
Control of Poa annua through April. Use if resistance is a concern Option 1
Control of Poa annua and labelled broadleaf weeds through April Option 3
Control of Poa annua through March Option 2
Control of Poa annua through April. Use if resistance is a concern Option 5
Control of Poa annua through April. Use if resistance is a concern Option 6 – Florida Only
Control of Poa annua through April Option 4
Month Week
Week Month
August
August
Specticle FLO
Specticle FLO
Specticle FLO 3
6.5 fl oz/A
8.0 fl oz/A
3.0 fl oz/A
September
September
Specticle FLO
3.0 fl oz/A
October
October
Apply 30-45 days after
the first application
Specticle FLO
Specticle FLO 3.0 fl oz/A +
3.0 fl oz/A
Tribute Total 1.0 oz/A +
November
Apply 30-45 days after
Simazine 1.0 lb ai/A +
November
47 Specticle FLO 6.0 fl oz/A +
the second application
NIS 0.25 v/v
Specticle FLO 3.0 fl oz/A + 47
Tribute ® Total 1.0 oz/A +
Tribute Total 1.0 oz/A +
Simazine 1.0 lb ai/A +
Specticle FLO 3.0 fl oz/A +
NIS 0.25 v/v
NIS 0.25 v/v 4
Simazine 1.0 lb ai/A +
December
December
Apply 30-45 days after
the first application
Specticle FLO 3.0 fl oz/A + 52
1 2 3 4
Simazine 1.0 lb ai/A +
1 2 3 4
Apply 30-45 days after
January
January
the first application
3 Do not apply if turf injury is present and assess turf quality before each application. 4 Allow spray to dry prior to irrigation or rainfall. Do not apply during periods of excessive moisture.
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