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Showing 1 to 20 of 52 for “"Poa pratensis"”.

  1. Etiology of Stripe Smut, Ustilago Striiformis (West) Niessl, on Merion Bluegrass, Poa Pratensis L

    Hodges, Clinton FrederickUniversity of Illinois at Urbana-Champaign2014

    Made available in DSpace on 2014-12-09T18:06:28Z (GMT). No. of bitstreams: 1 6808113.pdf: 2730530 bytes, checksum: 563104552f0f7f567b6b77d464e198e5 (MD5) Previous issue date: 1967

    uiuc Repository record

  2. PCR-based cloning, characterization, and stress-induced expression of chitinase genes in Kentucky bluegrass (Poa pratensis L.)

    Du, MinVirginia Tech1996

    … of chitinase genes in Kentucky bluegrass (Poa pratensis L.) were studied. With primers designed from conserved regions of chitinase genes from other plant species, a 710 bp fragment (CH710) containing a partial chitinase gene sequence was amplified from Kentucky bluegrass by PCR. Using …

    vt Repository record

  3. The effects of rapid establishment and subsequent turf quality of agressive grasses seeded with Poa pratensis L

    Green, James T.Virginia Polytechnic Institute and State University1970

    … with a constant rate of Kentucky bluegrass (Poa pratensis L.). Mixtures were irrigated and clipped to 1- and 2-in. sod residues. Objectives were to determine which mixture or mixtures could provide rapid initial establishment. with subsequent high quality, permanent turf. The improved …

    vt Repository record

  4. Development, selection and characterization of summer patch (Magnaporthe poae Landschoot and Jackson) resistant somaclones of Kentucky bluegrass (Poa pratensis L.) genotypes

    Msikita, WestonUniversity of Illinois at Urbana-Champaign2011

    … graminis), and summer patch (Magnaporthe poae). Variants highly resistant to powdery mildew and summer patch were selected, and the resistance was expressed through several cycles of vegetative propagation. There was no relationship between resistance to summer patch and that of powdery …

    uiuc Repository record

  5. Growth of roots, rhizomes, and tillers of Kentucky bluegrass (Poa pratensis L.) cultivars and genotypes as affected by fertility level, cutting height, and season

    Smith, Frank E.Virginia Polytechnic Institute and State University1973

    … cultivars and genotypes of Kentucky bluegrass (Poa pratensis L.). Objectives were to study effects of fertility level and cutting height on underground growth of various Kentucky bluegrasses during various seasons and develop a technique for measuring underground growth without disturbing the …

    vt Repository record

  6. Effects of nitrogen and cutting management on root growth and productivity of a Kentucky bluegrass (Poa pratensis L.) and white clover (Trifolium repens L.) pasture

    Kertulis, Gina Marie2019

    Nitrogen (N) and defoliation effects on productivity, root growth and soil nitrate (NO3-) in a Kentucky bluegrass and white clover pasture were examined. Nitrogen was applied annually in two equally split applications at rates of 0, 80 or 160 kg N ha -1. After reaching 12.7 cm, plants were cut to …

    wvu Repository record

  7. THE FEMALE GAMETOPHYTE: DEVELOPMENT AND FUNCTION

    F. ResentiniUniversità degli Studi di Milano2013

    … species, but is found in many wild species like Poa pratensis and Brachiaria brizantha. The idea of this work is to study genes involved in apomixis in apomictic plants, and then studies the function in the model organism Arabidopsis thaliana. In Poa pratensis by the cDNA-AFLP technique several …

    milano Repository record

  8. Controlled-Release Preemergence Herbicide Formulations for Annual Grass Control in Kentucky Bluegrass Turf

    Chalmers, David RobertUniversity of Illinois at Urbana-Champaign2014

    … sanguinalis (L.) Scop. in Kentucky bluegrass (Poa pratensis (L.)) turf.

    uiuc Repository record

  9. Crop-water stress index models for cool season turfgrasses

    Martin, Dennis LorenUniversity of Illinois at Urbana-Champaign2011

    … is appropriate across both Kentucky bluegrass (Poa pratensis L.) (KB) and creeping bentgrass (Agrostis palustris Huds.) (CB), and (iii) to evaluate the performance of CB when managed under different CWSI models.

    uiuc Repository record

  10. The response of dune vegetation to human trampling and grazing

    Sothern, EileenPolytechnic of Wales1987

    … that the relative abundance of Festuca rubra and Poa pratensis approaches that in the surrounding untreated vegetation in the third year. Some strategies for species survival are considered.<br/><br/>Periodic trampling and mowing were applied over two seasons to dune grassland both exposed to …

    southwales Repository record

  11. GENETIC NETWORK CONTROLLING FEMALE GAMETOPHYTE AND EMBRYO DEVELOPMENT IN ARABIDOPSIS THALIANA

    S. VanzulliUniversità degli Studi di Milano2010

    … in Arabidopsis thaliana of APOSTART1 gene of Poa pratensis. In Poa pratensis, Albertini and co-workers (2005) isolated and characterized APOSTART genes like candidate genes involved in apomixis. Apomixis is an asexual way of reproduction and avoids both meiotic reduction and egg fertilization.

    milano Repository record

  12. Soil and plant factors associated with iron chlorosis of Kentucky bluegrass

    Harívandí, Mohammad Ali., author, Butler, J. D., advisor, Soltanpour, P. N., committee member, Workman, M., committee memberColorado State University. Libraries1975

    … 25 varieties and 5 blends of Kentucky bluegrass (Poa pratensis L.) were utilized. Maintenance practices for all varieties were the same, and at the time of sampling the grasses were three years old, were well established, and had not been treated with iron containing materials. Soil pH, soil …

    colostate Repository record

  13. Influence of seed and foliar applications of growth regulators on turfgrasses

    Luo, Wang-JuanVirginia Tech1991

    … on the germination of Kentucky bluegrass (<i>Poa pratensis L.</i>) under osmotic and temperature stresses were determined in the laboratory. As polyethylene glycol (PEG) 8000 concentrations was increased from 50 to 250 g/L, percent germination was reduced. Propiconazole at 0, 0.5, 0.9, and 1.9 …

    vt Repository record

  14. Changes in Wetland Conditions and Wetland Plant Communities in the Prairie Pothole Region After 50 Years

    Cressey, Ryann2016

    … species (e.g., Typha, Phalaris arundinacea, Poa pratensis, and Bromus inermis). Wetlands at the three study areas responded to the excess water from the deluge in unique ways. Wetlands at Crystal Springs were larger, deeper, and fresher in 2013-14 compared to the 1960s. Wetlands at Cottonwood …

    sdstate Repository record

  15. Plant Community Development of Isle Royale's Moose-Spruce Savannas

    Rotter, Michael C2014

    … plant communities. <em>Picea glauca</em> and <em>Poa pratensis </em>competed in a dynamic inhibitory relationship. The former facilitated forest plants while the latter out-competed other plants and promoted open swards. These interactions are dramatically changing the character of Isle Royale’s …

    nmu Repository record

  16. The Effects of Multispecies Grazing on Pasture Management and Utilization

    Williams, Chelsea

    … (Dactylis glomerata L.), Kentucky bluegrass (Poa pratensis L.), and white clover (Trifolium repens L.). Exclosures were utilized as controls. Data included forage quality, composition, availability, height, visual weed cover and live ground cover, and thistle consumption, collected every 15 …

    wku-diss Repository record

  17. Developing Techniques to Quantify Phenological Development of Smooth Brome (Bromus inermis Leyss.): Sampling Variability

    Dupey, Justin

    … (Bromus inermis Leyss.) and Kentucky bluegrass (Poa pratensis L.) is a critical issue for land managers in the Northern Great Plains. Recent surveys of US Fish and Wildlife Service (USFWS) grasslands revealed fragments of native prairie and widespread invasion of two exotic cool-season grasses, …

    sdstate Repository record

  18. Field Measurements of Denitrification From Fertilizer Applied to Turfgrass

    Horgan, Brian PatrickUniversity of Illinois at Urbana-Champaign2015

    … silt loam soil under Kentucky bluegrass (Poa pratensis L.) or creeping bentrgrass (Agrostis palustris Huds). Atmospheric samples were collected daily (data extrapolated to a 24-h period) for the duration of each experiment and analyzed by mass spectrometric procedures. Data reported …

    uiuc Repository record

  19. Evaluation of Novel Techniques to Control Annual Grasses in Intensively Managed Turfgrass Systems

    Peppers, John MichaelVirginia Tech2023

    … evaluate novel techniques for Annual bluegrass (Poa annua L.), goosegrass (Eleusine indica L. Gaertn.), and smooth crabgrass (Digitaria ischaemum Schreb.) control on golf course putting greens or putting green surrounds. Hybrid bermudagrass Cynodon transvaalensis Burtt. Davy. x dactylon L. Pers.) …

    vt Repository record

  20. Creeping Bentgrass, Kentucky Bluegrass and Tall Fescue Responses to Plant Growth Stimulants Under Deficit Irrigation

    LaBranche, Adrienne JanelVirginia Tech2005

    … palustris</i> "L93"), Kentucky bluegrass (<i>Poa pratensis </i>"Midnight"), and tall fescue (<i>Festuca arundinacea</i>) Dominion blend were evaluated under deficit irrigation and upon exogenous application of plant growth stimulants (PGS), seaweed extract (SWE) + humic acid (HA), …

    vt Repository record

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