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Agronomy

Agronomy

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Forage Evaluation Support Laboratory

FESL/PPARP Mission:

  • To provide forage nutritive value analysis for interdisciplinary IFAS researchers throughout the State of Florida
  • To support IFAS-wide plant breeders and geneticists by helping determine the DNA content of plant samples through the Plant Ploidy Analysis Research Program (PPARP)
  • To provide hands-on training and experience in laboratory procedures to post-doctoral associates and undergraduate and graduate students

FESL Services:

  • Plant tissue analyses using wet chemistry or near-infrared reflectance spectroscopy (NIRS)
  • Plant ploidy analysis - Plant Ploidy Analysis Research Program (PPARP)
  • Plant Tissue Analyses - Wet Chemistry

    Price is $4/analysis with no charge for dry matter or organic matter whenever other analyses are requested. Analyses offered and procedures used follow.

    • Dry Matter/Organic Matter
    • Neutral Detergent Fiber (NDF), Acid Detergent Fiber (ADF)
    • Total Nitrogen
    • Total Phosphorus
    • In Vitro Organic Matter Digestion (IVOMD)
  • Plant Tissue Analyses - NIRS

    Pricing information is available on NIRS Form 1 (see Forms to Use When Submitting Samples link). The FESL is part of the national NIRS Consortium and uses the prediction equations made available to their members.

    • Total Nitrogen
    • In Vitro True Dry Matter Digestibility (30 & 48 hours)
    • Neutral Detergent Fiber (NDF) and Acid Detergent Fiber (ADF)
    • Lignin
    • Digestible NDF (30 & 48 hours)
    • Total Phosphorus, Potassium, Magnesium, and Calcium
  • Sample Submission

    The following applies only to samples for nutritive value analyses (either wet chemistry or NIRS). For plant ploidy analyses, contact Richard Fethiere at fethiere@ufl.edu

    • Dry at 55-60°C and grind to pass through a 1-mm screen. Uniform particle size is important as it may affect results (especially IVOMD and all NIRS analyses).
    • Place ground samples in 7 oz. Whirl-Pak bags.
    • Fill bag approximately one-half full (between 10 and 25 grams). Bags with either too little or too much sample make it difficult to obtain a representative subsample for analyses.
    • Number all samples in a set consecutively from 1 to n. Do not skip numbers. Use a permanent marker to write the sample number directly on the sample bag. Place numbers on the bottom one-half of the bag.
    • Complete Form 1 and Form 2 for your set. They can be submitted electronically or with your samples.
    • Samples can be hand-delivered to 2088 McCarty Hall B on main campus or mailed to: 1676 McCarty Drive/3105 McCarty Hall B, P.O. Box 110500 (if using USPS), Gainesville, FL 32611-0500
  • Forms to Use When Submitting Samples
    • FESL Form 1 – required only for wet chemistry
    • NIRS Form 1 – required only for NIRS
    • FESL Form 2 - required for both wet chemistry and NIRS
    • Ploidy Analysis Sheet – required only for plant ploidy analysis
  • Contact Us
    • Email - Richard Fethiere at fethiere@ufl.edu
    • Phone: 352-273-3410
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UF/IFAS Agronomy
3105 McCarty Hall B P.O. Box 110500 Gainesville, FL 32611-0180
(352) 392-1811

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