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Tables 2 to 4 in:


Smith, D. L., and Walker, N. R. 2013. Fungicide management of brown patch of tall turf-type fescue in the residential landscape in Oklahoma. Online. Plant Health Progress doi:10.1094/PHP-2013-1022-01-RS.



Table 2. Median, mean rank, and estimated relative treatment effects for the mean season-long quality of tall fescue treated with various fungicides to control brown patch in 2008.

Formulated product;
Rate/1000 ft²;
(Application timing
q)
Fungicide
active
ingredient
and rate

(kg a.i./ha)
FRAC
group
r
Application
interval

(days)
Median
quality
rating
s
Mean
rank
t
Relative
treatment
effect
u
Confidence
interval (95%)
for relative
treatment
effect
Lower
limit
Upper
limit
Heritage 50WGv;
0.20 oz (Prev)
Azoxystrobin (0.33) 11 14 8.8 49.3 0.89 0.74 0.94
Heritage 50WG;
0.40 oz (Cur)
Azoxystrobin (0.66) 11 14 8.4 48.1 0.87 0.75 0.92
Non-treated control 7.5 30.4 0.54 0.32 0.74
Fertilome Liquid
Systemic Fungicide
1.55Lw; 20.00 fl oz
(Cur)
Propiconazole
(0.94)
3 14 7.1 21.9 0.39 0.20 0.64
Spectracide Immunox
Lawn Disease Control
2.0Lx; 10.60 fl oz (Cur)
Myclobutanil
(0.65)
3 14 7.1 27.0 0.48 0.33 0.64
Bayer Advanced Fungus Control 1Gy; 3.00 lb
(Cur)
Triadimefon
(1.47)
3 14 6.8 26.4 0.47 0.27 0.68
Scotts Fungus Control
2.3Gz; 2.7 lb (Cur)
Thiophanate methyl (3.0) 1 14 6.8 22.4 0.40 0.20 0.64
Bayer Advanced Fungus Control 1G;
1.50 lb (Prev)
Triadimefon
(0.73)
3 14 6.8 24.2 0.43 0.22 0.68
Spectracide Immunox
Lawn Disease Control
2.0L; 10.60 fl oz (Prev)
Myclobutanil
(0.65)
3 14 6.6 23.6 0.42 0.25 0.62
Scotts Fungus Control
2.3G; 1.35 lb (Prev)
Thiophanate methyl (1.5) 1 14 6.4 20.1 0.36 0.19 0.59
Fertilome Liquid Sytemic Fungicide 1.55L;
20.00 fl oz (Prev)
Propiconazole
(0.94)
3 14 6.1 14.6 0.26 0.12 0.52

 q Prev = fungicide applied before symptom appearance; Cur = fungicide applied after symptom appearance; DI = day interval.

 r Fungicide Resistance Action Committee (FRAC) www.frac.info.

 s Average season-long turfgrass quality based on a scale of 1-9 where 1 = no turf present, 5 = unacceptable turfgrass, 7 = acceptable turfgrass, 9 = dense, dark color, thick stand of turfgrass.

 t Mean treatment rank as determined by the RANK procedure of SAS where mean rank=(ΣRi/n) and Ri is the rank value given to a treatment and n is the number of replications per treatment.

 u Estimated relative treatment effect as determined by the ld_ci.sas macro from E. Brunner (University of Gottingen, Germany).

 v Syngenta Crop Protection, Greenboro, NC.

 w Voluntary Purchasing Groups, Bonham, TX.

 x Spectrum Brands, Madison, WI.

 y Bayer Advanced, Research Triangle Park, NC.

 z The Scotts Company, Marysville, OH.



Table 3. Median, mean rank, and estimated relative treatment effects for the mean season-long quality of tall fescue treated with various fungicides to control brown patch in 2009.

Formulated Product;
Rate/1000 ft²;
(Application
 Timing
n)
Fungicide
active
ingredient
and rate

(a.i./ha)
FRAC
group
o
Application
interval

(days)
Median
quality
rating
p
Mean
rank
q
Relative
treatment
effect
r
Confidence
interval (95%)
for relative
treatment
effect
Lower
Limit
Upper
Limit
Heritage G 0.31Gs;
4.00 lb (Cur)
Azoxystrobin
(0.60 kg)
11 28 8.5 58.9 0.81 0.56 0.92
Heritage 50WGs;
0.20 oz (Prev)
Azoxystrobin
(0.33 kg)
11 14 8.5 58.3 0.80 0.48 0.93
Ortho Garden Disease Control 29.6Ft;
9.80 fl oz (Cur)
Chlorothalonil
(8.87 kg)
M5 21 8.2 46.1 0.63 0.29 0.87
Heritage 50WG;
0.40 oz (Cur)
Azoxystrobin
(0.66 kg)
11 21 8.0 49.6 0.68 0.35 0.89
Heritage G 0.31G; 4.00 lb (Prev) Azoxystrobin
(0.60 kg)
11 28 7.8 37.3 0.51 0.24 0.78
Armada 50WPu;
1.20 oz (Prev);
28 DI
Trifloxystrobin
(0.30 kg) +
Triadimefon
(1.50 kg)
11 +
3
28 7.7 35.6 0.49 0.27 0.71
Armada 50WP;
0.60 oz (Prev)
Trifloxystrobin
(0.15 kg) +
Triadimefon
(0.75 kg)
11 +
3
28 7.7 42.0 0.58 0.30 0.81
Fertilome Liquid Systemic Fungicide 1.55Lv; 20.00 fl oz (Cur) Propiconazole
(0.94 kg)
3 14 7.6 40.5 0.56 0.28 0.80
Heritage G 0.31G; 2.00 lb (Prev) Azoxystrobin
(0.30 kg)
11 28 7.6 36.8 0.50 0.19 0.81
Trinity 1.69SCw;
2.00 fl oz (Cur)
Triticonazole
(1.29 kg)
3 21 7.5 32.0 0.44 0.22 0.69
Bayer Advanced Fungus Control 1Gx; 3.00 lb (Cur) Triadimefon
(1.47 kg)
3 21 7.3 30.1 0.41 0.22 0.64
Non-treated
control
7.3 32.6 0.45 0.31 0.59
Scotts Fungus Control 2.3Gy; 1.35 lb (Prev) Thiophanate
Methyl
(1.5 kg)
1 14 7.2 30.8 0.42 0.24 0.63
Scotts Fungus Control 2.3Gz;
2.7 lb (Cur)
Thiophanate Methyl
(3.0 kg)
1 14 7.1 31.8 0.43 0.22 0.68
Spectracide Immunox Lawn Disease Control 2.0Lz;
10.60 fl oz (Cur)
Myclobutanil
(0.65 kg)
3 21 7.1 32.0 0.44 0.20 0.72
Bayer Advanced Fungus Control 1G; 1.50 lb (Prev) Triadimefon
(0.73 kg)
3 28 6.4 29.4 0.40 0.17 0.70
Spectracide Immunox Lawn Disease Control 2.0L;
10.60 fl oz (Prev)
Myclobutanil
(0.65 kg)
3 14 5.7 21.5 0.29 0.09 0.66
Fertilome Liquid Sytemic Fungicide 1.55L;
20.00 fl oz (Prev)
Propiconazole
(0.94 kg)
3 14 5.1 11.9 0.16 0.06 0.41

 n Prev = fungicide applied before symptom appearance; Cur = fungicide applied after symptom appearance; DI = day interval

 o Fungicide Resistance Action Committee (FRAC) www.frac.info.

 p Average season-long turfgrass quality based on a scale of 1-9 where 1 = no turf present, 5 = unacceptable turfgrass, 7 = acceptable turfgrass, 9 = dense, dark color, thick stand of turfgrass.

 q Mean treatment rank as determined by the RANK procedure of SAS where mean rank=(ΣRi/n) and Ri is the rank value given to a treatment and n is the number of replications per treatment.

 r Estimated relative treatment effect as determined by the ld_ci.sas macro from E. Brunner (University of Gottingen, Germany).

 s Syngenta Crop Protection, Greenboro, NC.

 t The Ortho Group, Marysville, OH.

 u Bayer Environmental Science, Research Triangle Park, NC.

 v Voluntary Purchasing Groups, Bonham, TX.

 w BASF Corporation, Research Triangle Park, NC.

 x Bayer Advanced, Research Triangle Park, NC.

 y The Scotts Company, Marysville, OH.

 z Spectrum Brands, Madison, WI.



Table 4. Median, mean rank, and estimated relative treatment effects for the mean season-long quality of tall fescue treated with various fungicides to control brown patch in 2010.

Formulated
product;
rate/1000 ft²;
 (Application timing
n)
Fungicide
active
ingredient
and rate

(kg a.i./ha)
FRAC
group
o
Application
interval

(days)
Median
quality
rating
p
Mean
rank
q
Relative
treatment
effect
r
Confidence
interval
(95%)
for relative
treatment
effect
Lower
limit
Upper
limit
Heritage 50WGs;
0.20 oz (Prev)
Azoxystrobin
(0.33)
11 14 8.4 70.5 0.97 0.97 0.97
Heritage G 0.31Gs;
4.00 lb (Cur)
Azoxystrobin
(0.60)
11 14 7.8 49.0 0.67 0.39 0.86
Heritage G 0.31G;
2.00 lb (Prev)
Azoxystrobin
(0.30)
11 28 7.8 55.6 0.77 0.63 0.86
Heritage 50WG;
0.40 oz (Cur)
Azoxystrobin
(0.66)
11 21
7.6 43.4 0.60 0.31 0.82
Bayer Advanced Fungus Control 1Gt; 3.00 lb (Cur) Triadimefon
(1.47)
3 21 7.5 41.8 0.57 0.38 0.75
Scotts Fungus Control 2.3Gu; 2.7 lb (Cur) Thiophanate methyl (3.0) 1 14 7.5 38.4 0.53 0.26 0.77
Trinity 1.69SCv;
2.00 fl oz (Cur)
Triticonazole
(1.29)
3 21 7.3 33.0 0.45 0.19 0.74
Bayer Advanced Fungus Control 1G; 1.50 lb (Prev) Triadimefon
(0.73)
3 28 7.3 35.4 0.48 0.19 0.79
Heritage G 0.31G;
4.00 lb (Prev)
Azoxystrobin
(0.60)
11 28 7.3 30.6 0.42 0.30 0.55
Scotts Fungus Control 2.3G; 1.35 lb (Prev) Thiophanate
methyl (1.5)
1 14 7.3 31.0 0.42 0.27 0.59
Non-treated control 7.2 28.5 0.39 0.21 0.60
Ortho Garden Disease
Control 29.6Fw;
9.80 fl oz (Cur)
Chlorothalonil
(8.87)
M5 21 7.1 29.8 0.41 0.17 0.70
Fertilome Liquid Sytemic Fungicide 1.55Lx;
20.00 fl oz (Prev)
Propiconazole
(0.94)
3 14 7.1 33.1 0.45 0.17 0.77
Spectracide Immunox
Lawn Disease Control
2.0Ly; 10.60 fl oz
(Prev)
Myclobutanil
(0.65)
3 14 7.1 28.6 0.39 0.20 0.63
Tartan 2.4SCz;
2.00 fl oz (Prev)
Trifloxystrobin
(0.30) +
Triadimefon
(1.52)
11 + 3 28 7.1 34.6 0.47 0.21 0.75
Tartan 2.4SC;
1.00 fl oz (Prev)
Trifloxystrobin
(0.15) +
Triadimefon
(0.76)
11 + 3 28 7.0 27.4 0.37 0.16 0.66
Spectracide Immunox Lawn Disease Control 2.0Lz; 10.60 fl oz (Cur) Myclobutanil
(0.65)
3 21 6.9 24.0 0.33 0.10 0.71
Fertilome Liquid Systemic Fungicide 1.55Lv; 20.00 fl oz (Cur) Propiconazol
(0.94)
3 14 6.7 22.4 0.30 0.10 0.66

 n Prev = fungicide applied before symptom appearance; Cur = fungicide applied after symptom appearance; DI = Day interval.

 o Fungicide Resistance Action Committee (FRAC) www.frac.info.

 p Average season-long turfgrass quality based on a scale of 1-9 where 1 = no turf present, 5 = unacceptable turfgrass, 7 = acceptable turfgrass, 9 = dense, dark color, thick stand of turfgrass.

 q Mean treatment rank as determined by the RANK procedure of SAS where mean rank=(ΣRi/n) and Ri is the rank value given to a treatment and n is the number of replications per treatment.

 r Estimated relative treatment effect as determined by the ld_ci.sas macro from E. Brunner (University of Gottingen, Germany).

 s Syngenta Crop Protection, Greenboro, NC.

 t Bayer Advanced, Research Triangle Park, NC.

 u The Scotts Company, Marysville, OH.

 v BASF Corporation, Research Triangle Park, NC.

 w The Ortho Group, Marysville, OH.

 x Voluntary Purchasing Groups, Bonham, TX.

 y Spectrum Brands, Madison, WI.

 z Bayer Environmental Science, Research Triangle Park, NC.





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