Friday, September 22, 2017

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Research Driven, Proven Results™

Grigg Brothers is proud to be a leader in our industry. As such, we are committed to the pursuit of excellence and we strongly believe that this involves a continual effort to test and refine our products. We actively approach research opportunities and participate in a variety of projects that will shed light on the science behind the products and their application.

We are less interested in comparing ourselves against our competition than we are in setting the highest standards of quality and producing products that excel. We are convinced that we have some of the best products in the marketplace and will continue to involve them in independent research.

You may search the database of research by Institution, or simply use the Search Form to type in keywords like product name, turfgrass type, disease, etc.

If you have any questions at all or are interested in using our products in your research or studies, contact Gordon Kauffman, Ph.D.

Independent Research - McDonald

  • Effect of GreenPIG alone and Tank Mixed with Foliar Fertilizers on Light Reflectance, Color, and Quality of Creeping Bentgrass. McDonald, S., Turfgrass Disease Solutions (2012)

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    Pigmented products (GreenPIG) are applied routinely to turfgrasses in an effort to improve general visual quality and color.  Limited information exists as to their effect on turfgrass physiology, specifically effects on plant health during stress.   Previous studies have measured ratio vegetation index (RVI) and normalized vegetation index (NDVI) indices after treatment with pigmented products to determine their effect on light absorption and reflectance from turfgrass.   These measurements take into account all light wavelengths, from ultraviolet (<400 nm)       visible spectrum (401-730… Read More +

  • Effect of Nitrogen (N) rate/source and Potassium Phosphite on Creeping Bentgrass Fairway Overall Quaility and Dollar Spot Incidence (2010)

    Effect of Nitrogen (N) rate/source and Potassium Phosphite on Creeping Bentgrass Fairway Overall Quaility and Dollar Spot Incidence
     

    Summary: Turf managers are demanding alternate fertilization strategies for golf course fairways, including those that provide efficent nutrient use, controlled nitrogen (N) release, and take advantage of elicitor (phosphite-H3PO3) technology. These programs are specifically designed to maximize turf vigor during the summer and at the hieght of environmenal stress. High N rates are routinely supplied in the spring and… Read More +

  • A Moderately Aggressive Annual Bluegrass (Poa annua) Reduction Strategy on a Putting Green using Plant Growth Regulators (PGR’s) and Foliar Fertilizers (Year 2) (2009).

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    Research Topic: A Moderately Aggressive Annual Bluegrass (Poa annua) Reduction Strategy on a Putting Green using Plant Growth Regulators (PGR’s) and Foliar Fertilizers (Year 2) (2009). McDonald, S., Primary Investigator. Wedgewood CC, Hellertown, PA

     

    Summary:

    Paclobutrazol is an early stage gibberellic acid (GA) biosynthesis inhibitor (plant growth regulator/PGR), which differentially suppresses the growth of Poa annua compared to creeping bentgrass (Agrostis stoloniferous). Paclobutrazol is often used to reduce Poa annua populations while providing general growth regulation benefits,… Read More +

  • Dollar Spot Control with Fungicides and Ultraplex (2008).

    Dollar Spot Control with Fungicides and Ultraplex (2008).


    Summary: Dollar spot (Sclerotinia homeocarpa) remains a common and persistent disease problem on most warm- and cool-season turfgrass species. Adequate chemical control of dollar spot can be achieved with variety of fungicide chemistries including nitrils (chlorothalonil), benzimidazoles (thiophanate methyl), triazoles (propiconazole), and carboximides (boscalid). Resistant isolates of dollar spot have been reported for several fungicide groups including dicarboximides, benzimidazoles, and sterol biosynthesis inhibitors; therefore read labels carefully, tank… Read More +

  • A Moderately Aggressive Annual Bluegrass (Poa annua) Reduction Strategy on a Putting Green using Plant Growth Regulators (PGR’s) and Foliar Fertilizers. (2008)

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    A Moderately Aggressive Annual Bluegrass (Poa annua) Reduction Strategy on a Putting Green using Plant Growth Regulators (PGR’s) and Foliar Fertilizers. (2008)

    Summary: Paclobutrazol is an early stage gibberellic acid (GA) biosynthesis inhibitor (plant growth regulator/PGR), which differentially suppresses the growth of Poa annua compared to creeping bentgrass (Agrostis stoloniferous). Paclobutrazol is often used to reduce Poa annua populations while providing general growth regulation benefits, including increased lateral turfgrass growth, improved turfgrass quality, and abiotic stress… Read More +

  • Poa annua and White Clover Control and Bentgrass Safety with Velocity® plus Foliar Fertilizers Including Iron (Fe) (2008)

    Poa annua and White Clover Control and Bentgrass Safety with Velocity® plus Foliar Fertilizers Including Iron (Fe) (2008)


    Objective: Bispyribac-sodium (Velocity®) is labeled for control of Poa annua (L.) and Poa trivialis (L.) in creeping bentgrass (Agrostis stolonifera L.) and perennial ryegrass (Lolium perenne L.) fairway turf. Previous research has documented that Velocity may elicit some objectionable yellowing to desirable turfgrass species and that tank-mixing Velocity with a 12% iron (Fe) product may mask some of… Read More +

  • Algae Suppression in Tee Height Creeping Bentgrass (2007)

    Research Topic:

    Algae Suppression in Tee Height Creeping Bentgrass (2007), S. McDonald, Turfgrass Disease Solutions, LLC

     

    Algae growth and subsequent competition on turfgrass sites (greens and tees) can be difficult to diagnose leading to reduced turfgrass quality.Commercially available algaecides (Daconil UltrexTM and Daconil ZnTM) exist, but should be used as one component in an integrated approach to algae suppression, in part because yearly chlorothalonil restrictions limit repeated and extended use. Cultural practices such as improved drainage, thatch reduction, and increased… Read More +

  • The Influence of Iron-Containing Foliar Fertilizers on the Efficacy of Bispyribac and Their Impact on Bentgrass Discoloration. (2007)

    The Influence of Iron-Containing Foliar Fertilizers on the Efficacy of Bispyribac and Their Impact on Bentgrass Discoloration. (2007)

     

    Summary: Bispyribac-sodium (Velocity®) is labeled for control of Poa annua (L.) and Poa trivialis (L.) in creeping bentgrass (Agrostis stolonifera L.) and perennial ryegrass (Lolium perenne L.) fairway turf. Previous research has documented that Velocity may elicit some objectionable yellowing to desirable turfgrass species and that tank-mixing Velocity with a 12% iron (Fe) product may mask some of the turf discoloration,… Read More +

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