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2005 Weed Update

Dr. Stanley Culpepper
Extension Weed Specialist
University of Georgia
Tifton, GA

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TABLE OF CONTENTS

2005 Weed Update Sandea Labeled for Snap and Lima Bean Sandea for PRE Weed Control Photos: Non-treated Control vs. Sandea PRE Photos: No herbicide vs. Sandea PRE Sandea for POST Weed Control Photos: Non-treated control vs. Sandea 2 WAP 2005 Weed Update: Sandea or Permit: Changes are Coming! Gowan Company & Sandea Herbicide Sandea Changes on the Horizon for Sandea Changes Occurring for Halosulfuron 2005 Weed Update: Gramoxone Max Labels Gramoxone Max Row Middle Application LABEL PENDING 2005 Weed Update: Aim Row Middle Labels Aim Labeled for Preplant Burndown and Row Middles (up to 1.6 fl oz) Aim Labeled for Preplant Burndown and Row Middles 2005 Weed Update: Goal Preplant Labels Goal Preplant in Pepper, Strawberry, and Tomato 2005 Weed Update: Dual Magnum - Cabbage - Third Party Dual Magnum/Cabbage Label Photos: Cabbage Response to Dual Magnum Dual Magnum/Cabbage Label 2005 Weed Update: Stinger Labels Stinger labels for cabbage cauliflower, collards, mustard, kale, sweet corn, turnip, and strawberry Stinger Label Stinger Label - Plantback Restrictions Need at least 15 inch of rain 2005 Weed Update: Valor - Sweet potato Valor use in Sweet Potato 2005 Weed Update: Chateu - Transplant Onion Chateau in Onion Transplants Onion Response to Chateau. 28 DAT. VORF. 2004-2005. 2005 Weed Update: Plastic Wash Off Photos: Non-treated vs. Sandea prior to transplant Questions?

SLIDE CONTENTS

2005 Weed Update Sandea Snap and Lima Beans Sandea or Permit: Changes are Coming! Gramoxone Max Labels Aim Row Middle Labels Goal Preplant Labels Dual Magnum - Cabbage Stinger labels Valor sweet potato Chateau in transplant onion Plastic Wash Off Sandea Labeled for Snap and Lima Bean PREEMERGENCE: 0.5 to 0.75 oz/A After planting, before cracking Avoid heavy rain right after application POST: 0.5 oz/A After 3 trifoliate 3 leaf stage but before flowering Slight delay in harvest is likely Not real comfortable here – spot treat. Sandea for PRE Weed Control common cocklebur wild radish pigweeds common ragweed common lambsquarters yellow nutsedge - suppression purple nutsedge - suppression 2 to 3 weeks residual weed control Non-treated Control Sandea (0.5 oz/A) PRE W1-00. Halosulfuron study with Ken Lewis in Cordele. Sandea PRE No herbicide Sandea for POST Weed Control 1-3 inch 1-9 inch passionflower cocklebur redroot pigweed ragweed pokeweed velvetleaf yellow and purple nutsedge – heavy infestations may require sequential applications 2 to 3 weeks residual weed control Non-treated control Sandea (0.5 oz/A) 2 WAP 2005 Weed Update Sandea Snap and Lima Beans Sandea or Permit: Changes are Coming! Gowan Company & Sandea Row Middles ONLY Pumpkin Squash Watermelon Eggplant Pepper PRE/POST to Crop Cantaloupe Cucumber Lima Bean Snap Bean Tomato Changes on the Horizon for Sandea Monsanto owns Permit (halosulfuron) Gowan owns Sandea (halosulfuron) Changes Occurring for Halosulfuron Monsanto owned Permit (halosulfuron) Gowan owns Sandea (halosulfuron) Changes have already begun for each crop. Turf first and then veggies next! 2005 Weed Update Sandea Snap and Lima Beans Sandea or Permit: Changes are Coming! Gramoxone Max Labels Gramoxone Max Row Middle Application LABEL PENDING Cucumber, Melons, Pumpkins, Squash 1.3 pt/A in 20 to 30 GPA using HOODS Do not contact crop Working on a desiccation label 2005 Weed Update Sandea Snap and Lima Beans Sandea or Permit: Changes are Coming! Gramoxone Max Labels Aim Row Middle Labels Aim Labeled for Preplant Burndown and Row Middles (up to 1.6 fl oz) Beans Broccoli Cabbage Cucumber Cantaloupe Carrots Eggplant Mustard greens Peas Squash Aim Labeled for Preplant Burndown and Row Middles Moringglory Lambsquarters Nightshade Pigweed Purslane (very small) Dayflowers 2005 Weed Update Sandea Snap and Lima Beans Sandea or Permit: Changes are Coming! Gramoxone Max Labels Aim Row Middle Labels Goal Preplant Labels Goal Preplant in Pepper, Strawberry, and Tomato 30 days prior to transplanting Apply to pre-formed beds prior to laying plastic Row middles still 30 d prior to transplant 1 to 2 pt/A (2 pt recommended) Residual control of pigweed, ragweed, nightshade, pusley, purslane and primrose 2005 Weed Update Sandea Snap and Lima Beans Sandea or Permit: Changes are Coming! Gramoxone Max Labels Aim Row Middle Labels Goal Preplant Labels Dual Magnum – Cabbage- Third Party Dual Magnum/Cabbage Label TRANSPLANTS ONLY Plants must be 5 weeks old Apply 0.5 to 1 pt/A Apply immediately prior to transplanting or after transplanting 203 204 Cabbage Response to Dual Magnum. TyTy, GA. 2003. 1.3 pt 0.5 pt Dual Magnum/Cabbage Label Must get root ball below herbicide layer Don’t poke hole, spray, then transplant Apply overtop???? 2005 Weed Update Sandea Snap and Lima Beans Sandea or Permit: Changes are Coming! Gramoxone Max Labels Aim Row Middle Labels Goal Preplant Labels Dual Magnum - Cabbage Stinger labels Stinger labels for cabbage cauliflower, collards, mustard, kale, sweet corn, turnip, and strawberry LITTLE GEORGIA DATA!!!!!! TRY A FEW ACRES NICHE TYPE TOOL Stinger Label Spinach: 2-5 leaf, 21 day PHI Turnip Roots and Tops: 30 day PHI for roots and 15 d for tops Cabbage, Kale, Cabbage, Collards, Broccoli, Mustard Greens: 1 to 2 applications, up to 8 fl oz, 30 day PHI Stinger Label – Plantback Restrictions Need at least 15 inch of rain 2005 Weed Update Sandea Snap and Lima Beans Sandea or Permit: Changes are Coming! Gramoxone Max Labels Aim Row Middle Labels Goal Preplant Labels Dual Magnum - Cabbage Stinger labels Valor – Sweet potato Valor use in Sweet Potato Hip up beds Knock off bed top Apply Valor (up to 2.5 oz/A) can mix with Command WAIT 2 to 5 DAYS 5) Transplant with field grown transplants that have been pulled no more than 2 days before planting. 2005 Weed Update Sandea Snap and Lima Beans Sandea or Permit: Changes are Coming! Gramoxone Max Labels Aim Row Middle Labels Goal Preplant Labels Dual Magnum - Cabbage Stinger labels Valor – Sweet potato 9) Chateau – Transplant Onion Chateau herbicide obtained label to be applied to onion transplants. Valent and UGA have aggressively tried to limit the use of this product until more research can be conducted. Large number of research being conducted this year plus use on several grower fields. Chateau in Onion Transplants % Injury Onion Response to Chateau. 28 DAT. VORF. 2004-2005. LSD = 5.7 17 a 8 c 11 bcd 13 abc 2005 Weed Update Sandea Snap and Lima Beans Sandea or Permit: Changes are Coming! Gramoxone Max Labels Aim Row Middle Labels Goal Preplant Labels Dual Magnum - Cabbage Stinger labels Plastic Wash Off Non-treated Sandea prior to transplant IR-4 THE PROJECT INTERREGIONAL RESEARCH PROJECT NO. 4 THE MINOR USE PROGRAM Funding provided by USDA (CSREES and ARS) and the SAES Questions??