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Showing 1 to 20 of 40 for “"Lolium perenne L."”.
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Investigations of self-incompatibility (SI) in perennial ryegrass (Lolium perenne L.)
Perennial ryegrass (Lolium perenne L.) is one of the most economically and environmentally important grass species for the temperate zone. It maintains effective self-incompatibility (SI), which promotes outbreeding as well as limits the efficient production of inbred lines and hybrids. SI in L. …
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Identification of genes related to self-incompatibility in ryegrass (Lolium perenne L.)
… in many flowering plant species. SI in Lolium perenne is controlled by two multi-allelic loci, S and Z. The working of this SImechanism has important consequences for L. perenne breeding as it prevents the efficient production of inbred lines and hybrids. The aim of this study was to …
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Evaluation of drought tolerance in genetically modified Lolium perenne L. and Arabidopsis thaliana
… role in drought tolerance of perennial ryegrass (Lolium perenne L.). UBLs are related in tertiary structure to ubiquitin (UB) and they both serve as regulators of many cellular processes. In previous work over-expression of one UBL, the Lolium perenne L. Ubl5 (LpUbl5) homologue in perennial …
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Modelado poblacional del raigrás perenne (Lolium perenne L.) en cultivos de trigo de la región semiárida
… de la biología y la ecología del raigrás perenne (Lolium perenne) como maleza de cultivos de trigo en la región semiárida del sudoeste de la provincia de Buenos Aires, y se desarrollaron modelos matemáticos con el objetivo de diseñar herramientas que permitan predecir el comportamiento a …
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Resistance to African black beetle (Heteronychus arator) in perennial ryegrass (Lolium perenne L.) infected with AR1 endophyte
… nov. et comb. nov. endophyte-perennial ryegrass (Lolium perenne L.) associations which do not cause toxicity to livestock and with strong resistance to African black beetle (H. arator), would be of significant value to farmers in regions where this pest is a problem. Epichloë festucae var. lolii …
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Distribution and Control of Herbicide-Resistant Italian Ryegrass (Lolium perenne L. ssp. multiflorum Lam. Husnot) in Arkansas
<p>Italian ryegrass populations have evolved resistance to herbicides that producers rely on for weed control both in wheat and burn-down. The objectives of this research were to: test populations of Italian ryegrass from across Arkansas for resistance to glyphosate, diclofop, pinoxaden, and …
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Intercropping Studies With Soybean (Glycine Max (L.); Merr.) and Maize (Zea Mays L.) or Ryegrass (Lolium Perenne L.)
… L.) under field conditions and with ryegrass (Lolium perenne L.) under greenhouse conditions. A series of six experiments were performed. Two in the field and four in the greenhouse. The intercrop pattern in the field was two rows of soybean per row of maize. Maize plant populations were 30,000 …
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Competitive interactions in a dairy pasture containing paspalum (Paspalum dilatatum Poir,) following the introduction of ryegrass (Lolium perenne L.)
… the contribution of introduced grasses (Lolium perenne and Bromus catharticus) to seasonal production of a high yielding dairy sward containing paspalum (Paspalum dilatatum). The persistence of the introduced species was also determined. Autumn overdrilling improved (<500 kg DM/ha) …
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Effect of Lolium perenne L. ploidy, Trifolium repens L. inclusion and cow breed on the productivity and profitability of pasture-based, spring-milk systems
… tetraploid or diploid perennial ryegrass (Lolium perenne L.; PRG) sown with and without white clover (Trifolium repens L.). Four grazing treatments were compared for this study; tetraploid PRGonly swards, diploid PRG-only swards, tetraploid PRG with white clover swards and diploid PRG with …
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Effect of Alternative Management Practices and the Fungal Endophyte (Epichloë festucae var. lolii) on Improving the Longevity of Perennial Ryegrass (Lolium perenne L.) in Minnesota
One of the primary challenges facing the perennial ryegrass seed producers in Minnesota is a lack of perenniality in the species when grown for seed. The first research project explored alternative management options, including fall residue management strategies and plant growth regulator …
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An Investigation into Transformation and RNA Editing in the Lolium Plastome
… predominantly consists of perennial ryegrass (Lolium perenne L.). Owing to the predicted climate change, grasslands in the east of Ireland will be severely affected over the next hundred years. Due to this prediction, strategies to circumvent this problem need to be addressed. The present study …
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Effect of ammonium and nitrate on nitrogen fixation and mineral nutrition of ryegrass and uninoculated and inoculated clover grown separately and in association : A dissertation submitted in partial fulfilment of the requirements for the Degree of Bachelor of Agricultural Science (Honours) in the University of Canterbury
… on the growth and ionic composition of ryegrass (Lolium perenne L.), and uninoculated and inoculated white clover ( Trifolium repens L.) plants, grown in nutrient solutions containing either NH₄- or No₃-N. The effect of increasing nitrate concentrations on the growth and ionic composition of …
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Evaluation of novel techniques to establish and transition overseeded grasses on bermudagrass sports turf
… summer and overseeded with perennial ryegrass (Lolium perenne L.) (PR) in winter, during bermudagrass dormancy. Two transitions are required in an overseeding program, fall establishment of PR and spring control of PR. During each transition, turf quality suffers as one grass dies or enters …
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Harvest Weed Seed Control: An Integrated Weed Management Strategy for Organic and Conventional Production Systems
… L.) fields infested with Italian ryegrass (Lolium perenne L. ssp. multiflorum (Lam.) Husnot) compared two HWSC techniques to grower-standard weed management programs in each system, including both no-till and full-till standard treatments in the conventional system. Italian ryegrass …
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Differential dry matter production, nutritive value and grazing utilisation of perennial ryegrass varieties and mixtures evaluated within intensive grazing regimes
… therefore maximise profit. Perennial ryegrass (Lolium perenne L.) grazing efficiency has been shown to influence farm herbage utilisation. <br/><br/>The objective of this thesis was to develop a methodology for the evaluation of perennial ryegrass variety grazing efficiency. Such evaluation data …
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The effects of rapid establishment and subsequent turf quality of agressive grasses seeded with Poa pratensis L
… turf. The improved perennial ryegrasses (Lolium perenne L.) (NK-100 and Pelo) were no more competitive in the seedling stage toward Kentucky bluegrass (Poa pratensis L.) than annual ryegrass (Lolium multiflorum L.), but they provided as rapid initial cover. However, their persistence …
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The Effect of Complete Vineyard Floor Ground Covers and Root Pruning on Cabernet Sauvignon
… ovina L.) ‘Aurora Gold’, perennial ryegrass (Lolium perenne L.), orchardgrass (Dactylis glomerata L.), and an under-trellis herbicide strip combined with KY-31fescue interrows. Compared to herbicide strip/non-root pruned (NRP), Elite II fescue reduced vine pruning weight (kg/vine) 28%, …
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Prohexadione Calcium for Turfgrass Management and Poa annua Control and Molecular Assessment of the Acetolactate Synthase Gene in Poa annua
… bluegrass (Poa pratenis L.), perennial ryegrass (Lolium perenne L.), and zoysiagrass (Zoysia japonica Steud.) equivalent to trinexapac-ethyl at 0.70, 0.22, 0.60, and 0.27 kg a.i./ha -1, respectively. Further experiments conducted at three locations across Virginia determined that PC was comparable …
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Influence of plant growth regulators on turfgrass polar lipid composition, tolerance to drought and salinity stresses, and nutrient efficiency
… studies were conducted with perennial ryegrass (Lolium perenne L.). Ryegrass was treated with or without propiconazole (PPC) (1-( (2-(2,4- dichlorophenyl)-4-propyl-l,3-dioxolan-2yl)methyl) IH-l,2,4-triazole) and a proprietary fortified seaweed extract (FSE), which were combined with or without …
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