Department of Plant, Soil and Microbial Sciences Weeds

Introduction

Cultural control of weeds
Cultivation
Chemical control of weeds
Herbicide formulation and additives
Herbicide application
Pesticides and the environment
Restricted use pesticides
Herbicide resistance in weeds
Herbicide sites of action

Corn

Table 1A- Effectiveness of Herbicides for Spring Burndown in Corn*
Table 1B- Weed Response to Soil-Applied herbicides in Corn*
Table 1C- Weed Response to Postemergence Herbicides in Corn*
Table 1D- Herbicide Premixes in Corn
Table 1E- Weed and Crop Heights for Postemergence Herbicide Applications in Corn
Table 1F- Corn Herbicides - Remarks and Limitations
Table 1G- Delayed Applications of Soil Applied Herbicides in Corn
Table 1H- Corn Herbicide and Insecticide Use Precautions

Soybeans

Table 2A- Weed Management in No-Till Soybean
Table 2B- Weed Response to Soil-Applied Herbicides in Soybean*
Table 2C- Weed Response to Postemergence Herbicides in Soybean*
Table 2D- Herbicide Premixes in Soybean
Table 2E- Maximum Weed Sizes for Postemergence Herbicide Applications in Soybean
Table 2F- Soybean Herbicides - Remarks and Limitations
Table 2G- Guidelines and Precautions for 2,4-D Use in Enlist E3 Soybean
Table 2H- Guidelines and Precautions for Dicamba Use in Roundup Ready 2 Xtend and XtendFlex Soybean
Table 2I- Soybean - Preharvest Applications

Small Grains

Table 3A- Weed Response to Herbicide in Small Grains*
Table 3B- Herbicide Premixes in Small Grains
•Figure 3.1- Wheat growth stages according to the Feekes scale

Table 3C- Small Grain Herbicides - Remarks and Limitations
Table 3D- Small Grains - Preharvest Applications

Forages

Table 4A- Weed Response to Herbicides in Forage Legumes*
Table 4B- Weed Response to Herbicides in Established Forage Grasses*
Table 4C- Forage Legume Herbicides - Remarks and Limitations
Table 4D- Forage Grass Pasture Herbicides - Remarks and Limitations
Table 4E- Harvest Restrictions for Forage Legume Herbicides
Table 4F- Harvest Restrictions for Forage Grass Herbicides

Dry Beans

Table 5A- Weed Response to Herbicides in Dry Edible Beans*
Table 5B- Dry Edible Bean Herbicides - Remarks and Limitations
Table 5C- Dry Edible Bean - Preharvest Applications

Potatoes

Table 6A- Weed Response to Herbicides in Potatoes*
Table 6B- Potato Herbicides - Remarks and Limitations
Table 6C- Vine Desiccation in Potatoes

Sugar Beets

Table 7A- Weed Response to Herbicides in Sugarbeet*
Table 7B- Sugarbeet Herbicides - Remarks and Limitations

Forage Sorghum

Table 8- Weed Response to Herbicides in Forage Sorghum*

Table 9- Weed Control in Forage Sorghum

Additional Herbicide Information

Table 10 - Glyphosate products registered for postemergence application in glyphosate-resistant crops

Table 11 - Rainfree period for postemergence herbicide applications

Table 12 - Herbicide crop rotation restrictions

Table 13 - Toxicity, solubility, adsorptivity, and persistence of herbicides

Table 14 - Glossary of chemical names, EPA registration numbers, and Restricted Entry Intervals

Weed Management Factsheets

Management of multiple herbicide-resistant Palmer amaranth

Herbicide-resistant horseweed (marestail) in Michigan

Herbicide options for cover crops interseeded in corn

Common windgrass management in winter wheat

Controlling dandelion

Controlling Common pokeweed

Controlling Canada thistle

Controlling Wild Carrot

Controlling Hemp Dogbane

Controlling White Campion in No-Tillage Systems

MSU Enviroweather

How to Submit a Sample to MSU Plant and Pest Diagnostics

Screening for Herbicide-Resistant Weeds

Pesticide Emergency Information