North Dakota Weed Control Guide (W253-20)

The information in this guide provides a summary of herbicide uses in crops grown in North Dakota and is based on federal and state herbicide labels, research at ND Ag. Experiment Stations, and information from the North Dakota Department of Agriculture.

Compiled by Joe lkley, Extension Weed Science

Contributors: Mike Christoffers, Research Weed Science, Weed Genetics Caleb Dalley, Research Weed Science, Hettinger REC Greg Endres, Extension Agronomist, Carrington REC Greta Gramig, Research Weed Science, Weed Ecology Kirk Howatt, Research Weed Science, Small Grains/Minor Crops Brian Jenks, Research/Extension Weed Science, NCREC Clair Keene, Extension Agronomist, Williston REC Mike Ostlie, Research Weed Science, Carrington REC Tom Peters, Extension Weed Science, Sugarbeet, NDSU/U of MN Andy Robinson, Extension Agronomist, Potato, NDSU/U of MN Andrew Thostenson, Extension Pesticide Programs Harlene H. Valenti, Research, High Value Crops Specialist

Cover – 5            Index, Weed Guide Information

6 – 8                    Chemical Weed Control for Field Crops: Plant-back Interval for Fall, Pre-Plant and PRE Herbicides

9 – 22                  Small Grains: HRS and Durum Wheat, Winter Wheat and Barley; Oat; Rye

23                        Small Acreage Crops: Buckwheat, Fababean, Juneberry, Mint, Onion, Sorghum, Triticale

24 – 31                Corn

32 – 41                Soybean

42 – 43                Dry Edible Bean

44 – 45                Field Pea

46-47                   Chickpea/Garbanzo Bean and Lentil

48                         Dry Edible Bean, Field Pea, Chickpea/Garbanzo Bean, Lentil Summary

50 – 51                 Sunflower

52                         Safflower

53                         Flax

54 - 55                 Canola and Rapeseed, Tame Mustard

56                        Sunflower, Flax, Canola and Mustard Crops Summary

58 - 61                 Sugarbeet

62 – 65                 Potato

66 – 67                 Alfalfa and Forage Legumes

68 – 69                 Chemical Fallow

70 -71                  CRP

72                         Grass Establishment, Lawn, CRP Breakout

73 – 89                 Special Weed Problems: ND Noxious and Troublesome Weeds

90 – 97                 General Information: PPI and Pre Herbicides, Soil Organic Matter Test, Post Applied Herbicides, Glyphosate, Spray Adjuvants, Spray Carrier Water Quality, Spray and Vapor Drift, Sprayer Cleanout, Mixing Instructions, Wick Application, Backpack Sprayer Calibration, Calculating Herbicide Mixtures

98 - 101               Annual Weed Control

102 – 105            Perennial Weed Control

106 – 118            Herbicide-Resistant Weeds; Herbicide Site of Action and Chemical Family for Resistant Weed Management; Herbicide Carryover; Crop Rotation Restrictions for North Dakota; Herbicide Residue and Fall Cover Crop Establishment; Herbicide Residue Analysis for Soil, Water and Plant Tissue

119 – 124            Air Temperature Inversions and Delta T: A Tool for Pesticide Application Decision Making

125 – 127            Restrictions on Grazing/Feeding/Haying of Crops treated with Herbicides; Grazing and Haying Restrictions for Herbicides Used in Pasture and Rangeland

128                      Control of Volunteer Glyphosate Resistant (GR) Crops

129 – 134            Herbicide Effectiveness, Residual Active in Soil and Persistence in Soil

135 – 145            North Dakota Herbicide Compendium

146 – 148            North Dakota Adjuvant Compendium

149                      Understanding a Water Quality Analysis Report

150                      Horseweed: Weed of the Year

151                      Summary of New Information in the 2020 Weed Control Guide

152                      Quick Reference Information, Contacts and Credits

Filed under: crops-weeds
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