In This Section

Topics

Table 4-3: Herbicide Crop Rotation and Soil pH Restrictions (Field Crops)

Author: OMAFRA Staff
Creation Date: 25 November 2002
Last Reviewed: 13 April 2006

Link to download a free Acrobat ReaderNOTE: Some materials available here are in PDF (portable document file) format. To read them you need the FREE Acrobat Reader installed on your computer. The program is available for download (with installation instructions) at http://www.adobe.com/products/acrobat/readstep2.html.

Pub 75: Guide to Weed Control > Notes on Herbicides > Table 4-3: Herbicide Crop Rotation
and Soil pH Restrictions (Field Crops)
Excerpt from Chapter 4, Publication 75, Guide to Weed Control, Order this publication

Table of Contents

  1. Herbicide Crop Rotation and Soil pH Restrictions (Field Crops) (Table 4-3) (PDF file - 80 kb)
  2. Other Tables on Herbicides and Adjuvants
    • Herbicides Used in Ontario (Table 4-1) (PDF file - 207 kb)
    • Glyphosate Products and Their Registered Uses (Table 4-2) (PDF file - 54 kb)
    • Herbicide Crop Rotation & Soil pH Restrictions (Horticultural Crops) (Table 4-4) (PDF - 82 kb)
    • Herbicide Groupings for Ontario (Table 4-5) (PDF file - 23 kb)
    • Interval Before Rainfall (Postemergence) (Table 4-6) (PDF - 49 kb)
    • Adjuvants Used in Ontario (Table 5-1) (PDF file 25 kb)
    • Adjuvant Rates per Sprayer Tank Water Volume (Table 5-2) (PDF file 11 kb)
  3. Other topics on Notes on Herbicides and Adjuvants
  4. Related Links

Table 4-3: Herbicide Crop Rotation and Soil pH Restrictions (Field Crops)

Number of months between application and planting
Trade Name Alfalfa Barley Barley (under-seeded) Beans, Kidney Beans, White Canola Canola (Pursuit tolerant) Clover, Red
Accent 10* 10* 10* f 10* 10* 10* 10*
Accent 1-Pass1 22* 10* f f 10* f f f
Accent Total1 10* 10* 10* f 10* 10* 10* 10*
Atrazine
<1.0 kg ai/ha		 10 10 10 10 10 22 22 10
Atrazine
>1.0-1.5 kg ai/ha		 22 10 22 22 22 22 22 22
Battalion1 f 10* f f 10* 10* 10* 10*
Broadstrike Dual Magnum (Soil pH >7.8 and OM < 2%) 10 10* f 10* 10* 26 26 10
Callisto 11* 10 f f 11* f f 22
Classic (Soil pH 7.4 and less) 10* 10 f f 10* f f f
Classic (Soil pH 7.4 to 7.8) 22 22 f f 10 f f f
Cleansweep1 22 10 22 10* 10* 22 10 22
Command 360 ME 16* 16* 16* 10* 10* 10* 10* 16*
Conquest1 22 10* 22 22 22 22 22 22
Converge Pro 1 10 10 f f f 10 10 f
Prism f 10* f f 10* 10 10 10*
Firstrate 9 f f 9 9 26 26 f
Sencor
(Soil pH >7.5)		 10 10 10 10 10 22 22 10
Lontrel 22 10* 22 22 22 R R 22
Meridian Plus1 f 9* f 9 9 22 9 f
Muster 22* 10* f f 22* R R 22*
Option 35DF or Option 2.25 OD 10*
10*
10*
10*
10
10*
 10*
10*
Peakplus1 22* 10* f f 10* f f f
Pursuit R 10 22 R R 22 R 22
Reflex f f f R R 18 18 f
Simazine/Princep < 2 kg ai/ha R 10 10 22 22 22 22 22
Simazine/Princep > 2 kg ai/ha R 22 22 22 22 22 22 22
Summit 11* 11 f 11* 11* 22 22 f
Summit Extra1 11* 11 f 11* 11* 22 22 f
Ultim f 10* f f 10* 10* 10* 10*
Ultim Total 1 f 10* f f 10* 10* 10* 10*
Valor 18 18 18 10* 10* 18 18 18
Viper1 f f f f f f f f

| Top of Page |

Trade Name Field Corn including
RR, LL, PP		 Seed Corn Flax-linseed Oats Oats (under-seeded) Peanuts Fall Rye
Accent R f f f f f f
Accent 1-Pass1 R f f f f f f
Accent Total1 R f f f f f f
Atrazine
<1.0 kg ai/ha		 R R 10 10 10 22 10
Atrazine
>1.0-1.5 kg ai/ha		 R R 10 22 22 22 10
Battalion1 R f f f f f f
Broadstrike Dual Magnum (Soil pH >7.8 and OM < 2%) 10* 10* f f f f f
Callisto R R f 10 f f 4
Classic (Soil pH 7.4 and less) 10* f f f f f f
Classic (Soil pH 7.4 to 7.8) 22 f f f f f f
Cleansweep1 10* 22 22 22 22 22 22
Command 360 ME 10* 10* 16* 16* 16* 16* 16*
Conquest1 10* 22 22 22 22 22 22
Converge Pro 1 R 10 f 10 f f f
Prism R f f f f f f
Firstrate 9 f f f f 9 f
Sencor
(Soil pH >7.5)		 R 10 10 10 10 10 10
Lontrel 10 22 10* 10* 22 22 10
Meridian Plus1 9* 22 f 9* f f f
Muster f f 10* 10* f f f
Option 35DF or Option 2.25 OD R
f
f
10*
10
f
f
Peakplus1 R f f 10* f f f
Pursuit 10* 22 22 22 22 22 22
Reflex 10* f f f f f f
Simazine/Princep < 2 kg ai/ha R 10 22 10 10 10 10
Simazine/Princep > 2 kg ai/ha R 22 22 22 22 22 22
Summit R 10* f 11 f f f
Summit Extra1 R 10* f 11 f f f
Ultim R f f f f f f
Ultim Total1 R f f f f f f
Valor 10* 10* 18 18 18 18 18
Viper1 10* 10* f f f f f

| Top of Page |

Trade Name Fall Rye
(under-seeded) 		Soybeans Sunflowers Tobacco Spring Wheat Spring Wheat (under-seeded) Winter Wheat Winter Wheat
(under-seeded)
Accent f 10* f f f f 4* 4*
Accent 1-Pass1 f 10* f f f f f f
Accent Total1 f 10* f f f f 4 f
Atrazine
<1.0 kg ai/ha		 10 10 22 22 10 10 4 10
Atrazine
>1.0-1.5 kg ai/ha		 22 10 22 22 10 22 10 22
Battalion1 f 10* f f f f 4* 10*
Broadstrike Dual Magnum f R f f 10* f 4* f
Callisto f 11* f f 10* f 4* f
Classic (Soil pH 7.4 and less) f 10* f f f f 3* f
Classic (Soil pH 7.4 to 7.8) f 10 f f f f 3 f
Cleansweep1 22 R* 22 22 9 22 3.3* 22
Command 360 ME 16* R* 16* 16* 16* 16* 16* 16*
Conquest1 22 R 22 22 10* 22 4* 22
Converge Pro 1 f 10* f f 10* f 4* f
Prism f 10* f f f f 4* 4*
Firstrate f R 30 30 f f 4* f
Sencor
(Soil pH >7.5)		 10 R 10 22 10 10 3.3 10
Lontrel 22 22 22 22 10* 22 10* 22
Meridian Plus1 f R f f f f 4* f
Muster f 10* f f 10* f 4 f
Option 35DF or Option 2.25 OD f 10* f f 10 10 4* 10*
Peakplus1 f 10* f f f f f f
Pursuit 22 R 22 22 10 22 3.3* 22
Reflex f R f f 10* f 4* f
Simazine/Princep <2 kg ai/ha 10 22 22 22 10 10 10 10
Simazine/Princep >2 kg ai/ha 22 22 22 22 22 22 22 22
Summit f 11* f f 11 11 3 f
Summit Extra1 f 11* f f 11 11 4 f
Ultim f 10* f f f f 4* 4
Ultim Total1 f 10* f f f f 4* f
Valor 18 R 18 18 18 18 18 18
Viper1 f R f f f f 4 f

R - Registered for use.
f - Field bioassay; user assumes liability for all crops not indicated on the label.
1 - Herbicides sold as a co-pack under this trade name.

* Recropping restriction is listed on the label.

| Top of Page |

Related Links

| Top of Page |

For more information:
Toll Free: 1-877-424-1300
Local: (519) 826-4047
E-mail: ag.info.omafra@ontario.ca