In this Issue:
  • Peanut Fungicide Spray Strategies: The Values of Alternating or Mixing Modes of Action
  • Identifying Harmless “False White Mold” in Peanut Fields
  • 2018 Extension Farm Field Day – August 10
  • Financial Assistance for Farmers Who Implement BMPs
  • Annual UF Peanut Field Day – August 23
  • Lesser Cornstalk Borer Damage Reported in Florida and Georgia Peanut Fields
  • New Peanut Fungicide Miravis Registered for Use in Florida
  • Boron Deficiency: A Rare but Serious Issue in Peanut
  • Cotton and Peanut On-Farm Nematicide Trial Preliminary Results
  • Developing a “Stress Breathalyzer” for Peanuts
  • Peanut

    Peanut Fungicide Spray Strategies: The Values of Alternating or Mixing Modes of Action

     

    By Nicholas Dufault and Wael Elwakil

    Fungicide resistance or reduced efficacy is a concern when managing peanut diseases, especially the foliar diseases early and late leaf spot. Managing these concerns requires an integrated approach with constant monitoring of the product’s efficacy and application programs to avoid resistance selection. Two common resistance …

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    Permanent link to this article: http://nwdistrict.ifas.ufl.edu/phag/2018/07/27/peanut-fungicide-spray-strategies-the-values-of-alternating-or-mixing-modes-of-action/

    Identifying Harmless “False White Mold” in Peanut Fields

    This article is from an educational update email from Dr. Bob Kemerait, UGA Plant Pathologist.  Dr. Kemerait gave permission for Panhandle Ag to use this to share with the growers of Florida.

    Andrew Sawyer, UGA Wilcox County Extension, sent me these great pictures yesterday afternoon.  They are images of what we call “false …

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    Permanent link to this article: http://nwdistrict.ifas.ufl.edu/phag/2018/07/20/identifying-harmless-false-white-mold-in-peanut-fields/

    2018 Extension Farm Field Day – August 10

    On Friday, August 10th, the 2018 Extension Farm Field Day will take place at the UF/IFAS West Florida Research and Education Center (4253 Experiment Road, Hwy 182, Jay, FL 32565). Registration starts at 8, with the field tours starting promptly at 8:30.

    The following topics will be covered:

    Permanent link to this article: http://nwdistrict.ifas.ufl.edu/phag/2018/07/20/2018-extension-farm-field-day-august-10/

    Financial Assistance for Farmers Who Implement BMPs

     

    Farmers and ranchers have implemented Best Management Practices (BMPs) that maintain or improve water quality, quantity and soil conditions on their lands for many years. Although BMPs are designed to be technically feasible and economically viable, implementing BMPs can be expensive for producers, and some practices may not be financially viable for all. Multiple …

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    Permanent link to this article: http://nwdistrict.ifas.ufl.edu/phag/2018/07/13/financial-assistance-for-farmers-who-implement-bmps/

    Annual UF Peanut Field Day – August 23

    The annual UF/IFAS Peanut Field Day will be held at the Marianna North Florida Research and Education Center (NFREC) on Thursday, August 23, 2018, starting with registration at 7:30 AM (CDT) and ending with a sponsored lunch at the nearby Sunland Pavilion.

    Certified crop advisor and pesticide CEUs will be available at registration. Organizers …

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    Permanent link to this article: http://nwdistrict.ifas.ufl.edu/phag/2018/06/29/annual-uf-peanut-field-day-august-23/

    Lesser Cornstalk Borer Damage Reported in Florida and Georgia Peanut Fields

    Authors:  Mark Abney, UGA Peanut Entomologist, and Barry Tillman, UF/IFAS Peanut Breeder

    Earlier this week, lesser cornstalk borer (LCB) damage was observed in Suwanee, Columbia, and Marion counties in Florida.  In all cases, the peanut vines had not lapped, and the only symptom found was wilting vines at the ground level (Figure 1).  …

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    Permanent link to this article: http://nwdistrict.ifas.ufl.edu/phag/2018/06/22/lesser-cornstalk-borer-damage-reported-in-florida-and-georgia-peanut-fields/

    New Peanut Fungicide Miravis Registered for Use in Florida

    Syngenta has successfully completed the registration process with the Florida Department of Agriculture for a new fungicide for Florida peanut farmers called Miravis.  Miravis is the brand name for Syngenta’s fungicide with the active ingredient Pydiflumetofen, which is a group seven fungicide product.

    The following key information is provided on the Miravis label for …

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    Permanent link to this article: http://nwdistrict.ifas.ufl.edu/phag/2018/06/22/new-peanut-fungicide-miravis-registered-for-use-in-florida/

    Boron Deficiency: A Rare but Serious Issue in Peanut

    Authors: Ethan Carter, UF/IFAS Regional Crop IPM Agent, and Michael Mulvaney, UF/IFAS Cropping Systems Specialist (WFREC)

    Now that it’s early June, peanut fields across the Panhandle range in age from freshly planted to nearly 40 days after planting. Within the past two weeks, many areas have had consistent rainfall and overcast days. The recent …

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    Permanent link to this article: http://nwdistrict.ifas.ufl.edu/phag/2018/06/08/boron-deficiency-a-rare-but-serious-issue-in-peanut/

    Cotton and Peanut On-Farm Nematicide Trial Preliminary Results

    Authors: Zane Grabau, UF/IFAS Nemotologist, Ethan Carter, UF/IFAS Regional Crop IPM Agent, and Mark Mauldin, Washington County Extension Agent

    Plant-parasitic nematodes are a major pest for cotton and peanut in the Southeast. New or re-introduced non-fumigant nematicides, applied as a liquid or granular formulation, have become available in the last few years.  …

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    Permanent link to this article: http://nwdistrict.ifas.ufl.edu/phag/2018/05/25/nematicide-efficacy-in-2017-cotton-and-peanut-on-farm-trials/

    Developing a “Stress Breathalyzer” for Peanuts

    Yu-Chien Tseng, Brendan Zurweller and Diane Rowland, UF/IFAS Agronomy Department

    Growers typically use indirect methods to sense crop stress, such as soil moisture sensors to predict crop drought stress or models to predict disease risk. Directly monitoring the stress levels experienced by the crop would give an immediate snapshot of crop condition, …

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    Permanent link to this article: http://nwdistrict.ifas.ufl.edu/phag/2018/04/13/developing-a-stress-breathalyzer-for-peanuts/

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