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Weed Management Guide LOUISIANA SUGGESTED WEED MANAGEMENT GUIDE 2012

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Weed Management Guide LOUISIANA SUGGESTED WEED MANAGEMENT GUIDE 2012 2012 Louisiana Suggested Chemical Weed Management Guide LOUISIANA SUGGESTED WEED MANAGEMENT GUIDE 2012 Table of Contents INTRODUCTION ......................................................................................................... 1 VEGETABLE CROPS (Commercial) .................................................................... 123 Web addresses for chemical companies ..................................................................... 3 Artichokes ......................................................................................................................... 123 WEED RESISTANCE TO HERBICIDES ............................................................ 6 Asparagus .......................................................................................................................... 124 GUIDELINES FOR MANAGING WINTER VEGETATION .................... 8 Snap and Lima Beans ....................................................................................................... 126 Effectiveness of fall applications ................................................................................... 12 Beets ................................................................................................................................... 129 Effectiveness of spring applications ............................................................................. 13 Cole crops (cabbage, cauliflower, broccoli, Brussels sprouts) .............................. 130 Plant-back restrictions for burn-down herbicides ................................................... 14 Carrots ............................................................................................................................... 132 CORN .................................................................................................................................. 18 Sweet corn ........................................................................................................................ 134 Effectiveness of burn-down herbicides ...................................................................... 17 Cucurbits (cucumbers, squash, watermelons, pumpkins, cantaloupes) .............. 137 Effectiveness of selected corn herbicides .................................................................. 18 Eggplants ............................................................................................................................ 139 COTTON .......................................................................................................................... 28 Greens (collard, mustard, turnip) ................................................................................ 140 Effectiveness of selected cotton herbicides .............................................................. 28 Garlic .................................................................................................................................. 142 GRAIN SORGHUM ...................................................................................................... 36 Leafy vegetables (lettuce, endive, escarole, radicchio) ............................................ 144 SOYBEANS ...................................................................................................................... 39 Irish potatoes .................................................................................................................... 146 Effectiveness of selected soybean herbicides ............................................................ 39 Okra ................................................................................................................................... 149 Herbicide-tolerant soybean varieties ......................................................................... 49 Onions ................................................................................................................................ 150 RICE ..................................................................................................................................... 50 Peppers .............................................................................................................................. 152 Effectiveness of selected pre-plant and pre-rice herbicides .................................. 50 Shallots (dry bulbs) .......................................................................................................... 155 Effectiveness of selected post-rice herbicides .......................................................... 51 Southern peas ................................................................................................................... 156 Activity of selected programs on perennial grasses ................................................ 52 Spinach ............................................................................................................................... 159 Crawfish production and rice herbicides .................................................................. 53 Sweet potatoes ................................................................................................................ 160 SMALL GRAINS (Oats, Wheat, Barley and Rye) .......................................... 60 Tomatoes .......................................................................................................................... 161 SUGARCANE .................................................................................................................. 66 PASTURES and FORAGES ....................................................................................... 166 PEANUTS ......................................................................................................................... 92 NONCROPLAND (perennial and annual grasses, weeds and vines) ................. 170 HOME GARDENS ......................................................................................................... 93 WOODY PLANTS (forestry) ..................................................................................... 173 Calibration procedure for pump up sprayer .......................................................... 91 AQUATICS (lakes and ponds) ...................................................................................... 176 LAWN and TURF .......................................................................................................... 95 HERBICIDE PRE-MIXES ............................................................................................ 179 Tolerance of turf species to selected herbicides ...................................................... 95 RE-CROP INTERVALS FOR VARIOUS HERBICIDES ............................... 181 General home lawn weed control .............................................................................. 96 RAIN-FREE REQUIREMENTS of SELECTED HERBICIDES ................... 185 FRUIT CROPS ................................................................................................................ 104 CALIBRATION PROCEDURES ............................................................................. 186 Strawberries ..................................................................................................................... 104 CONVERSION FACTORS ........................................................................................ 188 Blackberries ...................................................................................................................... 105 NOZZLE TYPES and DRIFT REDUCTION ..................................................... 189 Blueberries ....................................................................................................................... 106 COMMON and CHEMICAL NAMES of HERBICIDES ................................ 190 Citrus ................................................................................................................................. 107 RELATIVE TOXICITY of HERBICIDES to MAMMALS ............................. 198 Grapes ............................................................................................................................... 111 Appendix A “Glyphosate products and formulations” ........................................... 203 Mayhaws ............................................................................................................................ 112 Peaches .............................................................................................................................. 113 Should the registration of a herbicide or certain uses of a herbicide be canceled by federal or Pecans ................................................................................................................................ 115 state agencies, suggestions thus affected herein are no longer applicable. Use of products in this COMMERCIAL NURSERY and LANDSCAPE ................................................ 117 guide does not constitute a guarantee or warranty of the products named and does not signify that these products are approved to the exclusion of comparable products. LSU AgCenter 1 2012 Louisiana Suggested Weed Management Guide INTRODUCTION needed and handle them with care. Follow the directions and heed all precautions on the containers’ labels. Herbicide rates are for broadcast application unless specified differently in the table heading for each crop. Conversion tables are provided to aid in converting large volumes, such as quarts and gallons, to ounces, tablespoons and
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