Programs Green Solutions
Golf Preemergence Recommendations Transition 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
1
2
2
January
January
3
3
4
4
5
Ronstar ® FLO (3.0 lb ai/A)
Specticle ® FLO 2
Ronstar FLO (3.0 lb ai/A)
Specticle FLO 3
5
6
122 fl oz/A
8-10 fl oz/A
122 fl oz/A
3.0 fl oz/A
6
February
February
7
(if using Ronstar FLO on dormant turf a
(if using Ronstar FLO on dormant turf a
7
8 non-selective herbicide could be included)
non-selective herbicide could be included)
8
or Ronstar + Fertilizer 1
or Ronstar + Fertilizer 1
9
9
10
3.0 lb ai/A
3.0 lb ai/A
10
March
March
11
Specticle FLO
11
12
3.0 fl oz/A
12
13
Apply 30-45 days after the first application 13
14
14
15
15
April
April
16
16
17
Specticle FLO
17
18
Specticle FLO
Specticle FLO 3
3.0 fl oz/A
18
19
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
20
Apply 90 days after the first application
20
May
21
2.0 lb ai/A
21
22
Apply 90 days after the first application
22
23
23
24
Specticle FLO
24
June
June
25
3.0 fl oz/A
25
26
Apply 30-45 days after the second application
26
27
27
28
28
July
July
29
29
30
30
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 Option 4
Month Week
Week Month
31
31
32
32
August
33
33
August
34
34
35
35
36
Specticle FLO
Specticle FLO
Specticle FLO 3
36
37
6.5 fl oz/A
8.0 fl oz/A
3.0 fl oz/A
37
September
September
38
38
39
39
40
Specticle FLO
40
41
3.0 fl oz/A
41
October
October
42
Apply 30-45 days after
42
43
the first application
43
44
Specticle FLO 6.0 fl oz/A + 4
Specticle FLO
Specticle FLO 3.0 fl oz/A +
44
45
Tribute ® Total 1.0 oz/A +
3.0 fl oz/A
Tribute Total 1.0 oz/A +
45
November
46
Simazine 1.0 lb ai/A +
Apply 30-45 days after
Simazine 1.0 lb ai/A +
46
November
47
NIS 0.25 v/v
the second application
NIS 0.25 v/v
47
48
48
49
Specticle FLO 3.0 fl oz/A +
49
50
Simazine 1.0 lb ai/A +
50
December
December
51
Apply 30-45 days after
51
52
the first application
52
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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