Friday, September 22, 2017

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Research From Penn State University

  • Seed-head Suppression of Annual Bluegrass (Poa annua) on a Putting Green (2007)

    Seed-head Suppression of Annual Bluegrass (Poa annua) on a Putting Green (2007)


    Abstract: Annual bluegrass seed-head production on golf course putting greens is often undesirable due to the negative effect of seed-heads on ball roll, green speeds, and aesthetics. In addition, excessive seed-head production can lead to weakened annual bluegrass plants and a subsequent decrease in overall quality and stress tolerance. Plant growth regulations (PGR’s) such as Embark T&O (mefluidide), Primo (trinexapac ethyl), and Proxy (ethephon)… Read More +

  • Evaluation of Plant Growth Regulators and Bio-stimulants on Green Height Creeping Bentgrass/Poa annua (2002)

    Evaluation of Plant Growth Regulators and Bio-stimulants on Green Height Creeping Bentgrass/Poa annua (2002)


    Objective
    This study was conducted on a mature stand of creeping bentgrass (Agrostis stolonifera) and Poa annua at the Valentine Turfgrass Research Center, Penn State University, University Park, PA. The objective of the study was to determine the efficacy of plant growth regulators and bio-stimulants by color ratings and determinations of plant height and foliar yield.

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