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Target test substance application rates by study plot.

 
Plot Test substance a.i. Formulation Target application rate
OIL† Talstar Professional bifenthrin liquid 2.18 g ai/92.9m2
OIL Bayer Advanced PowerForce beta-cyfluthrin granular 0.68 g ai/92.9m2
OIG‡ Talstar PL bifenthrin granular 2.18 g ai/92.9m2
OIG Tempo SC Ultra beta-cyfluthrin liquid 0.68 g ai/92.9m2
NIL§ Talstar Professional bifenthrin liquid 2.18 g ai/92.9m2
NIL Bayer Advanced PowerForce beta-cyfluthrin granular 0.68 g ai/92.9m2
NIG¶ Talstar PL bifenthrin granular 2.18 g ai/92.9m2
NIG Tempo SC Ultra beta-cyfluthrin liquid 0.68 g ai/92.9m2
Over irrigation with liquid bifenthrin/granular β-cyfluthrin.
Over irrigation with granular bifenthrin/liquid β-cyfluthrin.
§ Normal irrigation with liquid bifenthrin/granular β-cyfluthrin.
Normal irrigation with granular bifenthrin/liquid β-cyfluthrin.



View Full Table | Close Full ViewTable 2.

Test substance treatment details. Bifenthrin applications by plot.

 
Parameter Plot OIL† Plot NIL‡ Plot OIG§ Plot NIG¶
Treatment date 15 July 2008 15 July 2008 15 July 2008 15 July 2008
Treatment time 1439 h 1446 h 1401 h 1144 h
Air temperature (°C) 30.8 30.8 28.1 28.6
Wind speed (km/h) 4 4.8 3.4 4.8
a.i./g of formulated product (g) 0.08 0.08 0.0019 0.0019
Target treatment rate (per plot) 1.74 g a.i. 1.74 g a.i. 1.74 g a.i. 1.74 g a.i.
Treatment rate based on tank mix and pass time# (per plot) 1.82 g a.i. 1.78 g a.i.
Treatment Rate Based on weighback technique†† (per plot) 2.10 g a.i. 1.78 g a.i.
Target treatment rate 104% 102% 120% 102%
Over irrigation with liquid bifenthrin/granular β-cyfluthrin.
Normal irrigation with liquid bifenthrin/granular β-cyfluthrin.
§ Over irrigation with granular bifenthrin/liquid β-cyfluthrin.
Normal irrigation with granular bifenthrin/liquid β-cyfluthrin.
# Test substance application rate based on an 8.0% a.i. as determined by FMC Corp. calculations made with the formulated product assuming a specific gravity of 1.0.
†† Test substance application rate based on a 0.19% a.i. as determined by FMC Corp.



View Full Table | Close Full ViewTable 3.

Test substance treatment details. Beta-cyfluthrin applications by plot.

 
Parameter Plot OIL† Plot NIL‡ Plot OIG§ Plot NIG¶
Treatment date 15 July 2008 15 July 2008 15 July 2008 15 July 2008
Treatment time 0910 h 0941 h 1602 h 1606 h
Air temperature (°°C) Not recorded 25.3 33.6 33.6
Wind speed (km/h) Not recorded 3.2 2.25 1.4
a.i./g of formulated product (g) 0.1135 0.1135 0.00046 0.00046
Target treatment rate (per plot) 0.544 g a.i. 0.544 g a.i. 0.544 g a.i. 0.544 g a.i.
Treatment rate based on tank mix and pass time# (per plot) 0.531 g a.i. 0.548 g a.i.
Treatment rate based on weighback technique†† (per plot) 0.550 g a.i. 0.559 g a.i.
Target treatment rate 97% 101% 101% 103%
Over irrigation with liquid bifenthrin/granular β-cyfluthrin.
Normal irrigation with liquid bifenthrin/granular β-cyfluthrin.
§ Over irrigation with granular bifenthrin/liquid β-cyfluthrin.
Normal irrigation with granular bifenthrin/liquid β-cyfluthrin.
# Test substance application rate based on an 11.35% a.i. as determined by Bayer CropScience calculations made with the formulated product assuming a specific gravity of 1.0.
†† Test substance application rate based on a 0.046% a.i. as determined by Bayer CropScience.



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Total suspended solids sample results (mg/L).

 
Event Plot OIG† Plot OIL‡ Plot NIG§ Plot NIL¶
Over-irrigation event 1 4.0 3.7 NR# NR
Over-irrigation event 2 5.3 4.0 NR NR
Over-irrigation event 3 4.5 5.7 NR NR
Simulated rainfall event 14.0 12.5 10.3 17.0
Over irrigation with granular bifenthrin/liquid β-cyfluthrin.
Over irrigation with liquid bifenthrin/granular β-cyfluthrin.
§ Normal irrigation with granular bifenthrin/liquid β-cyfluthrin.
Normal irrigation with liquid bifenthrin/granular β-cyfluthrin.
# NR, no runoff.



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Mass loss from runoff events.

 
Mass applied Event 1 Event 2 Event 3 Simulated rain
Mass Percent applied Mass Percent applied Mass Percent applied Mass Percent applied
g g % g % g % g %
Bifenthrin treatment
 Plot OIG†-granular, over irrigation 2.10 1.1E-03 0.052 7.7E-04 0.037 3.1E-04 0.015 5.4E-05 0.003
 Plot NIG‡-granular, best practice irrigation 1.78 NR# NR NR NR NR NR 5.5E-05 0.003
 Plot OIL§-liquid, over irrigation 1.82 1.5E-03 0.081 2.4E-04 0.013 1.1E-04 0.006 2.8E-05 0.002
 Plot NIL¶-liquid, best practice irrigation 1.78 NR NR NR NR NR NR 1.1E-04 0.006
Beta-cyfluthrin treatment
 Plot OIL§-granular, Over irrigation 0.531 3.1E-03 0.58 4.0E-04 0.075 1.4E-04 0.026 2.8E-05 0.005
 Plot NI¶L-granular, best practice irrigation 0.548 NR NR NR NR NR NR 6.0E-05 0.011
 Plot OIG†-liquid, over irrigation 0.550 1.3E-03 0.23 3.5E-04 0.064 1.2E-04 0.021 3.2E-05 0.006
 Plot NIG‡-liquid, Best practice irrigation 0.559 NR NR NR NR NR NR 5.5E-05 0.010
Over irrigation with granular bifenthrin/liquid β-cyfluthrin.
Normal irrigation with granular bifenthrin/liquid β-cyfluthrin.
§ Over irrigation with liquid bifenthrin/granular β-cyfluthrin.
Normal irrigation with liquid bifenthrin/granular β-cyfluthrin.
# NR, no runoff.