2009 Weed Guide-Table of Contents
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- Chemical Weed Control in Corn: Soil Applied and Postemergence All Tillage Systems
Table 1B- Chemical Weed Control in Imidazolinone-Resistant Corn (Clearfield Corn)
Table 1C- Chemical Weed Control in Glufosinate-Resistant Corn
Table 1D- Chemical Weed Control in Glyphosate-Resistant Corn
Table 1E- Chemical Weed Control in No-Till Corn: Burndown Herbicides, Legume Sod , and Quackgrass Sod
Table 1F- Plant Response to Fall or Spring Herbicides in Sod
Table 1G- Effectiveness of Herbicides for Spring Burndown in Corn
Table 1H- Herbicide Premixes in Corn
Table 1I- Weed Response to Herbicides in Corn
Table 1J- Weed and Crop Heights for Postemergence Herbicide Applicaitons in Corn
Table 1K- Delayed Herbicide Application in Corn
Table 1L- Herbicide: Organophosphate Insecticide Compatibility Chart for Conventional and Clearfield Corn
Soybeans
Table 2A- Chemical Weed Control in Soybeans: Preplant Incorporated, Soil Applied - All Tillage Systems, Postemergence
for Broadleaf Weeds, and Postemergence Grass Control
Table
2B- Weed Control in Glyphosate-Resistant Soybeans
Table
2C- Weed Control in Liberty Link Soybeans
Table 2D- Weed Management in No-Till Soybeans: Fall, EPP, and PRE, and Effectiveness of Herbicides for No-till Soybeans
Table
2E- Soybeans - Preharvest Application
Table
2F- Herbicide Premixes in Soybeans
Table
2G- Weed Response to Herbicides in Soybeans
Table
2H- Maximum Broadleaf Weed Heights for Postemergence Control in Soybeans
Table
2I- Suggested Additives for Postemergence Herbicide
Applications in Soybeans
Table
2J- Additives for Postemergence Broadleaf Weed
Control in Soybeans
Table
2K- Application Rates of Postemergence Grass Herbicides
for Control of Grass Species at
Various Heights
Table 2L- Labeled Tank-Mixes with Postemergence Grass Herbicides in Soybeans
Table 2M- Feed and Forage Restrictions for Soybean Herbicides
Small Grains
Table 3A- Chemical Weed Control in Small Grains:
-
Wheat and Barley (Without Legumes)
-
Figure 1- Wheat Growth Stages According to Feeke's Scale and Corresponding Herbicide Application Timing
-
Oats (Without Legume)
-
Small Grains Seeded to Legumes
Table
3B- Harvest Restrictions for Small Grain Herbicides
Table
3C- Weed Response to Herbicides
in
Small Grains
Forages
Table
4A- Chemical Weed Control in Forage Establishment:
Alfalfa,
Trefoil, and Clover,
Birdsfoot
Trefoil (only), and
Alfalfa
(only)
Table
4B- Chemical Weed Control in Established Forages:
Alfalfa, Birdsfoot
Trefoil, Grass
Pasture, and
Preharvest
Application - Alfalfa
Table
4C- Harvest Restrictions for
Forage
Legume Herbicides
Table
4D- Harvest Restrictions for
Forage
Grass Herbicides
Table
4E- Weed Response to Herbicides in
Forage Legumes
Table
4F- Weed Response to Herbicides
in
Established Forage Grasses
Dry Beans
Table
5A- Chemical Weed Control in Dry Edible Beans:
-
Preplant Incorporated
-
Soil Applied
-
Postemergence
Table 5B- Preharvest Treatments in Dry Edible Beans
Table 5C- Weed Response to Herbicides in Dry Edible Beans
Potatoes
Table 6A- Chemical Weed Control in Potatoes:
-
Preplant followed by Delayed Preemergence
-
Early Preemergence followed by Delayed Preemergence
-
Delayed Preemergence
-
Postemergence
Table
6B- Vine Desiccation in Potatoes
Table
6C- Weed Response to Herbicides in Potatoes
Sugar Beets
Table 7A- Chemical Weed Control in Sugar Beets:
-
Preplant
-
Preemergence
-
Micro-Rate Postemergence Timing
-
Micro-Rate Applications Using Growing Degree Days (GDD)
-
Early Postemergence
-
Postemergence
Table 7B- Weed Response to Herbicides in Sugar Beets
Table
7C- Guidelines for Velvetleaf Control with UpBeet
Forage Sorghum
Table
8- Chemical Weed Control in Forage Sorghum
Table
9- Weed Response to Herbicides in Forage Sorghum
More Information and Weed Specifics
Table 10 - Glyphosate Products Registered for Postemergence Application in Glyphosate-Resistant Corn and Soybean
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
Table 15 - Glossary of EPA Registration Numbers
Table 16 - Glossary of Restricted Use Pesticides, Groundwater Advisories, Signal Words, REI's
How to Submit a Sample to MSU Diagnostic Services
Controlling Dandelion in No-Tillage Corn and Soybean
Controlling Grass Weeds in Winter Wheat
Controlling White Campion in No-Tillage Systems
Controlling Horseweed (Marestail)
Controlling Wild Carrot
Controlling Canada Thistle
Controlling Common Pokeweed
Controlling Hemp Dogbane