Treatment and formulationRate-amt (fl oz)/acre Percentage of IYSV symptomatic plants and onion bulb yields
Percentage IYSV
kg/0.002 acre
Tons per acre
17 April24 April1 May16 May16 May
Untreated check—1.00 a0.00 a4.00 a10.29 a11.34 a
Movento 2SC5.00.00 a0.00 a1.00 a12.20 a13.45 a
Lannate LV48.01.00 a0.00 a2.00 a13.95 a15.37 a
Radiant SC7.50.00 a0.00 a2.00 a13.38 a14.74 a
Exirel 10SE13.51.00 a0.00 a2.00 a14.15 a15.59 a
Closer SC2.00.00 a0.00 a0.00 a12.16 a13.40 a
Closer SC2.00.00 a0.00 a5.00 a12.86 a14.18 a
r/w Radiant SC7.5
Closer SC2.01.00 a0.00 a0.00 a13.90 a15.32 a
f/b Radiant SC7.5
f/b Lannate LV48.0
Torac 15EC24.00.00 a0.00 a3.00 a10.72 a11.81 a
Torac 22 SC16.31.00 a0.00 a2.00 a11.12 a12.25 a
Torac 15EC24.00.00 a0.00 a0.00 a14.91 a16.44 a
f/b Radiant SC7.5
f/b Torac 15EC24.0
f/b Lannate LV48.0
Exirel 10SE13.51.00 a1.00 a1.00 a13.13 a14.47 a
r/w Radiant SC7.5
Exirel 10SE13.51.00 a0.00 a0.00 a11.84 a13.05 a
f/b Radiant SC7.5
f/b Lannate LV48.0
Radiant SC7.50.00 a3.00 a1.00 a14.52 a16.01 a
f/b Movento 2SC5.0
f/b Lannate LV48.0
Treatment and formulationRate-amt (fl oz)/acre Percentage of IYSV symptomatic plants and onion bulb yields
Percentage IYSV
kg/0.002 acre
Tons per acre
17 April24 April1 May16 May16 May
Untreated check—1.00 a0.00 a4.00 a10.29 a11.34 a
Movento 2SC5.00.00 a0.00 a1.00 a12.20 a13.45 a
Lannate LV48.01.00 a0.00 a2.00 a13.95 a15.37 a
Radiant SC7.50.00 a0.00 a2.00 a13.38 a14.74 a
Exirel 10SE13.51.00 a0.00 a2.00 a14.15 a15.59 a
Closer SC2.00.00 a0.00 a0.00 a12.16 a13.40 a
Closer SC2.00.00 a0.00 a5.00 a12.86 a14.18 a
r/w Radiant SC7.5
Closer SC2.01.00 a0.00 a0.00 a13.90 a15.32 a
f/b Radiant SC7.5
f/b Lannate LV48.0
Torac 15EC24.00.00 a0.00 a3.00 a10.72 a11.81 a
Torac 22 SC16.31.00 a0.00 a2.00 a11.12 a12.25 a
Torac 15EC24.00.00 a0.00 a0.00 a14.91 a16.44 a
f/b Radiant SC7.5
f/b Torac 15EC24.0
f/b Lannate LV48.0
Exirel 10SE13.51.00 a1.00 a1.00 a13.13 a14.47 a
r/w Radiant SC7.5
Exirel 10SE13.51.00 a0.00 a0.00 a11.84 a13.05 a
f/b Radiant SC7.5
f/b Lannate LV48.0
Radiant SC7.50.00 a3.00 a1.00 a14.52 a16.01 a
f/b Movento 2SC5.0
f/b Lannate LV48.0

Means within columns followed by the same letter are not significantly different via LSD, P  > 0.05.

Treatment and formulationRate-amt (fl oz)/acre Percentage of IYSV symptomatic plants and onion bulb yields
Percentage IYSV
kg/0.002 acre
Tons per acre
17 April24 April1 May16 May16 May
Untreated check—1.00 a0.00 a4.00 a10.29 a11.34 a
Movento 2SC5.00.00 a0.00 a1.00 a12.20 a13.45 a
Lannate LV48.01.00 a0.00 a2.00 a13.95 a15.37 a
Radiant SC7.50.00 a0.00 a2.00 a13.38 a14.74 a
Exirel 10SE13.51.00 a0.00 a2.00 a14.15 a15.59 a
Closer SC2.00.00 a0.00 a0.00 a12.16 a13.40 a
Closer SC2.00.00 a0.00 a5.00 a12.86 a14.18 a
r/w Radiant SC7.5
Closer SC2.01.00 a0.00 a0.00 a13.90 a15.32 a
f/b Radiant SC7.5
f/b Lannate LV48.0
Torac 15EC24.00.00 a0.00 a3.00 a10.72 a11.81 a
Torac 22 SC16.31.00 a0.00 a2.00 a11.12 a12.25 a
Torac 15EC24.00.00 a0.00 a0.00 a14.91 a16.44 a
f/b Radiant SC7.5
f/b Torac 15EC24.0
f/b Lannate LV48.0
Exirel 10SE13.51.00 a1.00 a1.00 a13.13 a14.47 a
r/w Radiant SC7.5
Exirel 10SE13.51.00 a0.00 a0.00 a11.84 a13.05 a
f/b Radiant SC7.5
f/b Lannate LV48.0
Radiant SC7.50.00 a3.00 a1.00 a14.52 a16.01 a
f/b Movento 2SC5.0
f/b Lannate LV48.0
Treatment and formulationRate-amt (fl oz)/acre Percentage of IYSV symptomatic plants and onion bulb yields
Percentage IYSV
kg/0.002 acre
Tons per acre
17 April24 April1 May16 May16 May
Untreated check—1.00 a0.00 a4.00 a10.29 a11.34 a
Movento 2SC5.00.00 a0.00 a1.00 a12.20 a13.45 a
Lannate LV48.01.00 a0.00 a2.00 a13.95 a15.37 a
Radiant SC7.50.00 a0.00 a2.00 a13.38 a14.74 a
Exirel 10SE13.51.00 a0.00 a2.00 a14.15 a15.59 a
Closer SC2.00.00 a0.00 a0.00 a12.16 a13.40 a
Closer SC2.00.00 a0.00 a5.00 a12.86 a14.18 a
r/w Radiant SC7.5
Closer SC2.01.00 a0.00 a0.00 a13.90 a15.32 a
f/b Radiant SC7.5
f/b Lannate LV48.0
Torac 15EC24.00.00 a0.00 a3.00 a10.72 a11.81 a
Torac 22 SC16.31.00 a0.00 a2.00 a11.12 a12.25 a
Torac 15EC24.00.00 a0.00 a0.00 a14.91 a16.44 a
f/b Radiant SC7.5
f/b Torac 15EC24.0
f/b Lannate LV48.0
Exirel 10SE13.51.00 a1.00 a1.00 a13.13 a14.47 a
r/w Radiant SC7.5
Exirel 10SE13.51.00 a0.00 a0.00 a11.84 a13.05 a
f/b Radiant SC7.5
f/b Lannate LV48.0
Radiant SC7.50.00 a3.00 a1.00 a14.52 a16.01 a
f/b Movento 2SC5.0
f/b Lannate LV48.0

Means within columns followed by the same letter are not significantly different via LSD, P  > 0.05.

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