Table 2.4-15. Soybean herbicide rotational restrictions

The information listed in this table is our interpretation of label statements or a “best-guess” estimate. Rotational intervals are as follows, but they may be influenced by many factors, such as the addition of other residual herbicides, soil type, and soil pH. Do not use these herbicides unless all rotational restrictions are understood. Consult the label for a different time interval if two or more of these materials are applied during the same season. Herbicide labels are constantly changing; therefore, this list is not a substitute for the most recent herbicide label.

Herbicide	Rotational crops following soybeans (months after application)
Herbicide	Alfalfa	Clover	Cucumbers	Field Corn	Grain sorghum	Peas	Peppers	Pumpkins	Snap- beans
Assure II/Targa	4	4	4	4	4	NR	4	4	NR
Authority/Spartan	12	18	18	10	10	30	30	18	30
Axiom	12	12	12	NR	12	12	12	12	12
Basagran	NR	NR	NR	NR	NR	NR	NR	NR	NR
Boundary	4.5	12	12	8	12	8	12	12	12
Canopy EX	10	12	18	10	10	12	18	18	12
Canopy¹	10	12	18	10	12	12	30	18	12
Classic¹	12	12	18	9	9	9	30	18	9
Cobra	NR	NR	NR	NR	NR	NR	NR	NR	NR
Command	16	16	9	9	9	NR	NR	NR	9
Dual/Cinch	4	9	12	NR	NR⁵	NR	2	NR	NR
Envive	12	18	18	10	10	12	30	18	12
Extreme	4	40⁴	18	8.5³	18	4	18²	40⁴	4
FirstRate	9	30⁴	30⁴	9	9	9	30⁴	30⁴	9
Fusilade/Fusion	NR	NR	NR	2	2	NR	NR	NR	NR
Glyphosate	NR	NR	NR	NR	NR	NR	NR	NR	NR
Harmony SG	1.5	1.5	1.5	NR	1.5	1.5	1.5	1.5	1.5
Liberty	6	6	6	NR	6	6	6	6	6
Lorox	4	4	4	NR	4	4	4	4	4
Metribuzin	4	12	12	4	12	8	12	12	12
Micro-Tech	AH	AH	NY	NR	NR⁵	NY	NY	NY	NY
Optill	4	4	18	8.5	18	4	18	40	4
Outlook	NY	NY	NY	NR	NR⁵	NY	NY	NY	NY
Permit Plus	9	9	9	1	2	9	10	9	1.5
Poast	NR	NR	NR	AH	AH	NR	NR	NR	NR
Poast Plus	NR	NR	NR	AH	AH	NR	NR	NR	NR
Prefix	18	18	18	10	18	10	18	18	NR
Prowl	NY	NY	NY	NR⁶	NY	NY	NY	NY	NY
Pursuit Plus¹	9.5	40⁴	40⁴	8.5³	18	4	40⁴	40⁴	4
Pursuit¹	4	40⁴	18	8.5³	18	4	18²	40⁴	4
Python	4	26⁴	26⁴	NR	12	4	26⁴	26⁴	26⁴
Raptor	3	18	9	8.5	9	NR	9	9	NR
Reflex/ Flexstar/ Flexstar GT	18	18	18	10	18	10	18	18	NR
Resource	1	1	1	NR	1	1	1	1	1
Roundup	NR	NR	NR	NR	NR	NR	NR	NR	NR
Scepter³	18	18	18	9.5³	11	18	18	18	11
Select	AH	AH	NY	NY	NY	NY	NY	NY	NY
Sharpen (1 oz)	4	4	4	NR	NR	NR	4	4	4
Sonic/Authority First	12	30	30	10	12	12	30	30	30
Storm	AH	AH	AH	AH	AH	AH	AH	AH	AH
Synchrony¹	12	12	18	9	9	9	30	18	9
Touchdown	NR	NR	NR	NR	NR	NR	NR	NR	NR
Treflan	NR	NR	NR	12	12	NR	NR²	5	NR
Valor	12⁴	12⁴	12⁴	2	2	12⁴	12⁴	12⁴	12⁴
Valor XLT	12	18	18	10	10	12	30	18	12
Warrant	9	9	SY	NY	NY	NY	SY	SY	NY

Herbicide	Rotational crops following soybeans (months after application)
Herbicide	Spring oats	Sweet corn	Tobacco	Tomatoes	White Potatoes	Winter barley	Winter rye	Winter wheat
Assure II/Targa	4	4	4	4	4	4	4	4
Authority/Spartan	4	18	NR	30	30	4	4	4
Axiom	12	12	12	12	1	12	12	12
Basagran	NR	NR	NR	NR	NR	NR	NR	NR
Boundary	12	8	12	12	8	4.5	12	4.5
Canopy EX	4	18	10	10	30	4	4	4
Canopy¹	30	18	10²	10²	30	4	4	4
Classic¹	3	18	9²	9²	30	3	3	3
Cobra	NR	NR	NR	NR	NR	NR	NR	NR
Command	16	9	NR	9²	9	16	16	16
Dual/Cinch	4.5	NR	NY	2	NR	4.5	4.5	4.5
Envive	30	18	10²	12²	30	4	4	4
Extreme	18	18	9.5	18²	18	4	4	3
FirstRate	9	18	30^4,7	30⁴	18⁴	30⁴	30⁴	3
Fusilade/Fusion	2	2	NR	NR	NR	2	2	2
Glyphosate	NR	NR	NR	NR	NR	NR	NR	NR
Harmony SG	NR	1.5	1.5	1.5	1.5	NR	1.5	NR
Ignite	2.3	NR	6	6	6	2.3	2.3	2.3
Lorox	4	4	4	4	NR	4	4	4
Metribuzin	12	4	12	4	4	4	12	4
Micro-Tech	AH	NR	NY	NY	NY	AH	AH	AH
Optill	18	18	9.5	18	18	4	4	4
Outlook	NY	NR	NY	NY	NY	4	4	4
Permit Plus	2	3	SY	8	9	2	2	2
Poast	AH	NR	NR	NR	NR	AH	AH	AH
Poast Plus	AH	NR	NR	NR	NR	AH	AH	AH
Prefix	4.5	10	18	18	18	4.5	4.5	4.5
Prowl	NY	NY	NR	NY	NR	4	NY	4
Pursuit Plus¹	18	18	9.5	40⁴	26	9.5	9.5	4
Pursuit¹	18	18	9.5	18²	18	4	4	3
Python	4	18	9	26⁴	12	4	4	4
Raptor	9	8.5	9	9	9	9	4	3
Reflex/Flexstar GT 3.5	4	10	18	18	18	4	4	4
Resource	4	1	1	1	1	4	4	4
Roundup	NR	NR	NR	NR	NR	NR	NR	NR
Scepter³	11	18	9.5	18	18	11	18	3
Select	NY	NY	NY	NY	NY	AH	AH	AH
Sharpen (1 oz)	NR	4	4	4	4	NR	NR	NR
Sonic/Authority First	12	18	30²	30	18	12	12	4
Storm	AH	AH	AH	AH	AH	AH	AH	AH
Synchrony¹	3	18	9²	9²	8	3	3	3
Touchdown	NR	NR	NR	NR	NR	NR	NR	NR
Treflan	NR	12	5	NR	NR	NR	NR	NR
Valor	12⁴	4	2	12⁴	12⁴	4	4	2
Valor XLT	30	18	10²	12²	30	4	4	4
Warrant	NY	NY	NY	SY	NY	NY	NY	4
Key: NR = No Restriction; NY = Next Year; SY= Second Year following application; AH = After Harvest Read the label for additional restrictions due to rate, rainfall, soil, pH, and application rate. Transplanted. Corn hybrids that are classified as IMI-corn or as tolerant (IT) or resistant (IR) to Scepter and/or other imidazolinone herbicides such as Pursuit may be planted in the spring of the year following Scepter or Pursuit application regardless of rainfall or time interval from chemical treatment to corn planting. Plus successful field bioassay. Treated seed. Plant below herbicide zone. 10 months if ≤ 0.3 oz/A Rotational restrictions following Sharpen application vary depending upon rate, see label for more details.

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Table 2.4-15. Soybean herbicide rotational restrictions

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