In this Issue:
  • Why is Nematode Damage Patchy in Crop Fields? How Does this Affect Management Decisions?
  • Corn Disease Management: When to Apply a Fungicide?
  • The How and Why of Preemergence Herbicide Incorporation for Row Crops
  • Field Crop Nematode Management Publications Updated
  • 2017 Panhandle Row Crop Short Course Presentations and Highlights
  • Is it Cost-effective to Apply Nematicides to Field Corn?
  • New Herbicide Resistant Crop Varieties Offer New Tools for Weed Management in 2017
  • Evaluation of ESN Controlled Release Fertilizer for Florida Corn Production
  • 2016 Corn Variety Trial Summary from Jay, Florida
  • Determining Optimal Plant Populations for Your Variable Rate Planter
  • Corn

    Why is Nematode Damage Patchy in Crop Fields? How Does this Affect Management Decisions?

    I’ve had the opportunity to visit a number of grower fields this summer to assess potential nematode damage and I’ve often been asked this question: “Why is nematode damage worse in one section of a field than another, or worse in one field than another one nearby? ” This question reflects the fact that nematode …

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    Permanent link to this article: http://nwdistrict.ifas.ufl.edu/phag/2017/09/29/why-is-nematode-damage-patchy-in-crop-fields-how-does-this-affect-management-decisions/

    Corn Disease Management: When to Apply a Fungicide?

    By Nicholas Dufault and Maria C. Velez-Climent, UF/IFAS Plant Pathology Department

    Recently, southern corn rust (Puccinia polysora) (Figure 1) was identified in Seminole County, Georgia and southern Alabama. With so many cloudy, and rainy days lately many producers have been asking if it would be beneficial to spray a fungicide? Spraying …

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    Permanent link to this article: http://nwdistrict.ifas.ufl.edu/phag/2017/06/16/corn-disease-management-when-to-apply-a-fungicide/

    The How and Why of Preemergence Herbicide Incorporation for Row Crops

    Preemergence herbicides are a powerful way to prevent weed infestations before they start.  In our current climate of glyphosate and ALS-resistant weeds, a good preemergence program is more valuable than ever.  However, method and timing of application dramatically impact the efficacy of many preemergence herbicides.  To improve their reliability, preemergence herbicides should be incorporated – …

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    Permanent link to this article: http://nwdistrict.ifas.ufl.edu/phag/2017/04/28/the-how-and-why-of-preemergence-herbicide-incorporation-for-row-crops/

    Field Crop Nematode Management Publications Updated

    One of my goals since starting as field crop nematologist at the University of Florida last June was to update the nematode management guides for Florida field crops, so that extension agents and growers have access to active copies of these documents.  I’m happy to announce that guides for field corn, soybeans, and cotton have …

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    Permanent link to this article: http://nwdistrict.ifas.ufl.edu/phag/2017/03/31/field-crop-nematode-management-publications-updated/

    2017 Panhandle Row Crop Short Course Presentations and Highlights

    The annual Panhandle Row Crop Short Course was hosted by Jackson County Extension on Thursday, March 2, 2017.  Extension Specialists from Florida, Georgia, and Alabama spoke to attendees providing production recommendations and various management tips for row crops farmers. Continuing education units (CEUs) were offered at the event for those with a restricted use pesticide license (Florida, …

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    Permanent link to this article: http://nwdistrict.ifas.ufl.edu/phag/2017/03/10/2017-panhandle-row-crop-short-course-presentations-and-highlights/

    Is it Cost-effective to Apply Nematicides to Field Corn?

    Zane Grabau, UF/IFAS Entomology & Nematology Department & Patrick Troy, Regional Row Crop Agent

    Plant-parasitic nematodes, including sting, root-knot (RKN), and stubby-root nematodes among others can cause significant damage to Florida field corn.  Nematicide application is a common management practice for nematodes, but is it economically feasible for a relatively low-value crop like …

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    Permanent link to this article: http://nwdistrict.ifas.ufl.edu/phag/2017/02/03/is-it-cost-effective-to-apply-nematicides-to-field-corn/

    New Herbicide Resistant Crop Varieties Offer New Tools for Weed Management in 2017

    Ethan Carter, Regional Crop IPM Agent, Jay Ferrell, and Ramon Leon, UF/IFAS Weed Speciaslits

    2017 will be a landmark year for row crop agriculture, as several long awaited herbicide technologies have finally been released by the EPA to help farmer’s combat troublesome herbicide resistant broadleaf weeds. Two dicamba products are available, one from Monsanto …

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    Permanent link to this article: http://nwdistrict.ifas.ufl.edu/phag/2017/01/27/new-herbicide-resistant-crop-varieties-offer-new-tools-for-weed-management-in-2017/

    Evaluation of ESN Controlled Release Fertilizer for Florida Corn Production

    Dr. Michael J. Mulvaney, Cropping Systems Specialist, WFREC, Jay, FL

    Now is the time to start thinking about nitrogen (N) management strategies for corn production in the Panhandle.  This is a follow-up to the March 2016 article: 

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    Permanent link to this article: http://nwdistrict.ifas.ufl.edu/phag/2017/01/13/evaluation-of-esn-controlled-release-fertilizer-for-florida-corn-production/

    2016 Corn Variety Trial Summary from Jay, Florida

    Santa Rosa County is not a major corn producer, as compared to the Midwest, but farmers there do grow 600-800 acres of field corn each year. These producers plant corn as a summer rotational crop, some for cattle feed, and a significant acreage is planted and sold to our wildlife enthusiasts.

    The University of Florida/IFAS, West Florida Research …

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    Permanent link to this article: http://nwdistrict.ifas.ufl.edu/phag/2016/12/16/2016-corn-variety-trials-in-jay-florida/

    Determining Optimal Plant Populations for Your Variable Rate Planter

    You’ve spent good money on precision ag, GPS guided equipment.  Your rows are planted straight, your pesticide sprays are very precise, and you have improved harvest efficiency.  You’re set up for variable rate planting and you have a yield monitor, but aren’t quite sure what else to do with them?  Here are some ideas to …

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    Permanent link to this article: http://nwdistrict.ifas.ufl.edu/phag/2016/08/05/determining-optimal-plant-populations-for-your-variable-rate-planter/

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