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Showing 1 to 20 of 20 for “"agrostis stolonifera"”.
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Creeping bentgrass response to plant growth regulating substances and annual bluegrass competition
Creeping Bentgrass (Agrostis stolonifera var. palustris (Huds.) Farw.) is the most widely used cool-season turf grass used for putting greens in North America. Frequently it becomes invaded with a persistent weed, annual bluegrass (Poa annua L.). Studies were conducted on a predominately annual …
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Topdressing and aerification programs on creeping bentgrass fairways
… and aerification for creeping bentgrass(<i>Agrostis stolonifera<i> L.) fairways and the effect that these two cultural practices have on soil physical properties have not been fully assessed. The first objective of this study was to determine the optimum timing of topdressing and …
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Use of tartrazine dye as a tracer to measure foliar spray retention on turfgrass
… on foliar spray retention on a bentgrass (Agrostis stolonifera L.) golf fairway. For water-based spray mixtures, the results indicated that increasing spray volume decreased foliar recovery to a plateau at around 85%. Compared to flat fan nozzles, air induction nozzles delivered the same …
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Evaluation of Novel Techniques to Control Annual Grasses in Intensively Managed Turfgrass Systems
… smooth crabgrass >80% in creeping bentgrass (Agrostis stolonifera L.) and hybrid bermudagrass turf. Although similar programs also controlled goosegrass, acceptable control required more applications than are allowed on the product label. Targeted application devices (TAD), such as spot …
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Optimizing Laser and Liquid Nitrogen Treatments for Weed Control in Turfgrass Systems
… within 24 days, while creeping bentgrass (Agrostis stolonifera) had recovered less than 50%, emphasizing the need for accurate weed targeting systems. These results demonstrate the feasibility of LN and laser-based precision weed control in turfgrass systems and highlight the importance of …
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Prohexadione Calcium for Turfgrass Management and Poa annua Control and Molecular Assessment of the Acetolactate Synthase Gene in Poa annua
… and Kentucky bluegrass, creeping bentgrass (Agrostis stolonifera L.), and perennial ryegrass. Annual and Kentucky bluegrass absorbed more PC than creeping bentgrass or perennial ryegrass and partially explained the selectivity between these species. Translocation and metabolism of PC did not …
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Physiological and Environmental Basis of Turfgrass and Weed Response to Mesotrione Formulations
… of perennial grasses like creeping bentgrass (Agrostis stolonifera L.). Field trials conducted at Virginia Tech and Blacksburg Country Club determined that several programs that integrate herbicide treatment and turf seeding effectively transitioned creeping bentgrass contaminated golf roughs …
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ESTABLISHMENT OF TURFGRASS FROM SEED AND SOD IN SAND BASED SYSTEMS COMBINING SPRINKLER AND SUBSURFACE DRIP IRRIGATION SYSTEMS
… establishment of “L-93” creeping bentgrass (<em>Agrostis stolonifera</em>) from seed and “TifEagle” ultra dwarf hybrid bermudagrass (<em>Cynodon dactylon</em><em> x Cynodon transvaalensis</em>) from sod using sand based media. Each experiment consisted of two trials conducted in summer 2017 and …
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Phenology and Management of Annual Bluegrass Weevil on Virginia Golf Courses
… bluegrass (Poa annua L.) and creeping bentgrass (Agrostis stolonifera L.) on golf courses in the northeastern United States. The asynchronous life cycle makes managing ABW difficult, putting emphasis on scouting to achieve accurate insecticide timing and acceptable control. Little is known about …
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Evaluation of fine fescues as alternative golf course fairway turfgrasses
… grow high-input grasses like creeping bentgrass (Agrostis stolonifera, L.), Kentucky bluegrass (Poa pratensis, L.), annual bluegrass (Poa annua, L.), and/or perennial ryegrass (Lolium perenne, L.) on fairways. Grass species exist that are more sustainable than those currently being used for golf …
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Improved Strategies for Dollar Spot Suppression Using Ferrous Sulfate
… is especially devastating on creeping bentgrass (Agrostis stolonifera L.). The fungus Sclerotinia homoeocarpa degrades the foliage by creating silver, dollar-sized depressions of dead and bleached turf. Frequent fungicide applications and cultural management strategies are required throughout the …
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Assessing Drift and Lateral Mobility of Flazasulfuron and Trifloxysulfuron Sodium
… and time of tracking on creeping bentgrass (Agrostis stolonifera) putting green response to dislodged herbicide residues. Although average turf injury did not exceed 2%, significant differences were noted when treated plots were irrigated prior to tracking. In addition, putting green injury …
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Effects of Nitrate and Cytokinin on Nitrogen Metabolism and Heat Stress Tolerance of Creeping Bentgrass
Creeping bentgrass (Agrostis stolonifera L.) is a major low-cut cool-season turfgrass used worldwide. The objectives of this research were to: 1) to gain insight into the diurnal fluctuation of N metabolism and effects of cytokinin (CK) and nitrate; 2) to characterize the impacts of N and CK on …
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The Effect of Fe-sulfate on Annual Bluegrass, Silvery Thread Moss, and Dollar Spot Populations Colonizing Creeping Bentgrass Putting Greens
… weed to control in creeping bentgrass (Agrostis stolonifera L.) putting greens. The objective of this study was to transition a mixed putting green stand of annual bluegrass and creeping bentgrass to a monoculture by using fertilizers and plant growth regulators that selectively inhibit …
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Exploring Genome Structure and Gene Regulation Related to Virulence in Fungal Phytopathogens Using Next Generation Sequencing Techniques
… interaction between Sclerotinia homoeocarpa and Agrostis stolonifera with some having annotations suggesting their roles in virulence related processes. With regard to protein-DNA binding, reads from ChIP-Seq experiment are mapped to the reference genome and the “peak regions” of mapped reads are …
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Influence of Annual Bluegrass on Putting Green Trueness and Control of Weedy Poa Species in Kentucky Bluegrass and Creeping Bentgrass Turf
… bluegrass control in creeping bentgrass (Agrostis stolonifera L.) or Kentucky bluegrass fairways. Another study evaluated the response of 110 Kentucky bluegrass varieties to three rates of methiozolin. Annual bluegrass has long been presumed to impact putting green trueness, or the ability …
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Sub-Antarctic plant-soil interactions in a changing world: plant N acquisition and growth under warming on Marion Island
… grasses (Polypogon magellanicus, Poa cookii, Agrostis stolonifera, and Poa annua) from sub-Antarctic Marion Island (MI, -46.9, 37.8). I hypothesised that sub-Antarctic grasses acquire oN which affects plant growth relative to iN and that soil warming influences plant growth directly and …
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Remediation of Soil Hydrophobicity on a Coastal USGA Sand-Based Golf Green
Managing soil hydrophobicity caused by localized dry spots (LDS) on sand based golf greens has become one of the greatest challenges for golf course superintendents and managers, especially as water restrictions intensify. The purpose of this study was to evaluate the effectiveness of thirteen soil …
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Optimizing Topramezone and Other Herbicide Programs for Weed Control in Bermudagrass and Creeping Bentgrass Turf
Goosegrass [Eleusine indica (L.) Gaertn.] and smooth crabgrass [Digitaria ischaemum (Schreb.) Schreb. ex Muhl.] are problematic weeds in bermudagrass and creeping bentgrass turf. Increased incidences of herbicide resistant weed populations and severe use restrictions on formerly available …