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Letteratura scientifica selezionata sul tema "Trifolium ambiguum"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 9 febbraio 2022

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Articoli di riviste sul tema "Trifolium ambiguum"

Riday, Heathcliffe, and Kenneth A. Albrecht. "Registration of Kura1 Trifolium ambiguum (M. Bieb) Germplasm." Journal of Plant Registrations 4, no. 1 (January 2010): 80–85. http://dx.doi.org/10.3198/jpr2009.03.0142crg.

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Williams, W. M. "Trifolium interspecific hybridisation: widening the white clover gene pool." Crop and Pasture Science 65, no. 11 (2014): 1091. http://dx.doi.org/10.1071/cp13294.

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Abstract (sommario):

White clover (Trifolium repens) is adapted to moist, fertile soils in temperate zones. Despite its heterozygous allotetraploid nature, it lacks useful genetic variation for survival and growth in semi-arid, infertile soils. Although white clover is apparently genetically isolated in nature, 11 other taxa have so far been found that can be artificially hybridised into the wider gene pool. These species range from annuals to long-lived, hardy perennials with adaptations to stress environments, and they potentially provide new traits for the breeding of more resilient varieties of white clover. T

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Sheaffer, C. C., R. D. Mathison, and P. Seguin. "Vegetative establishment of Kura clover." Canadian Journal of Plant Science 88, no. 5 (September 1, 2008): 921–24. http://dx.doi.org/10.4141/cjps08026.

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Kura clover (Trifolium ambiguum M. Bieb.) is a rhizomatous perennial legume that is often challenging to establish from seed. Our objectives were to evaluate the effect of planting date (early April, late April, and mid-May), plant material (rhizomes and rhizomes with buds), and rhizome planting density (11, 44, and 178 plants m-2) on establishment of Kura clover. Establishment of the clover was enhanced by early April planting using rhizomes with buds. Kura clover populations increased with increased rhizome planting densities. Establishment of Kura clover at a rhizome density of 178 rhizome

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Dear, BS, and M. Zorin. "Persistence and productivity of Trifolium ambiguum M. Bieb. (Caucasian clover) in a high altitude region of south-eastern Australia." Australian Journal of Experimental Agriculture 25, no. 1 (1985): 124. http://dx.doi.org/10.1071/ea9850124.

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The persistence and productivity of 12 lines of Trifolium ambiguum M. Bieb., encompassing three ploidy groups, and one line of T. montanum subsp. hurnboldtianum were compared in an elevated environment (1150 m) over a 4-year period with one cultivar each of T. repens L. and T. pratense L. Trifolium ambiguum was found to be well adapted to the cold winters and dry summers, all lines persisting throughout the experimental period, whereas the T. repens and T. pratense cultivars disappeared by the fourth year. The T. arnbiguum lines 'Monaro' and 'Kirovakan' (both hexaploid) and 'Alpine' and Forest

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Seguin, P., P. H. Graham, C. C. Sheaffer, N. J. Ehlke, and M. P. Russelle. "Genetic diversity of rhizobia nodulating Trifolium ambiguum in North America." Canadian Journal of Microbiology 47, no. 1 (January 1, 2001): 81–85. http://dx.doi.org/10.1139/w00-121.

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Kura clover (Trifolium ambiguum M.B.) is a persistent rhizomatous forage legume, whose use in the U.S.A. is limited by establishment difficulties in part attributable to nodulation problems. In this study, soil was collected from established stands of Kura clover growing in 9 diverse North American environments. Rhizobia were plant-trapped using Kura clover cv. Endura as host, then rhizobia from nodules fingerprinted using BOX-PCR. The diversity of isolates from North America was then contrasted to that of rhizobia from a single Caucasian environment (Russia), the center of origin for this spe

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Speer, G. S., and D. W. Allinson. "Kura clover (Trifolium ambiguum): Legume for forage and soil conservation." Economic Botany 39, no. 2 (April 1985): 165–76. http://dx.doi.org/10.1007/bf02907841.

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Beauregard, M. S., P. Seguin, C. C. Sheaffer, and P. H. Graham. "Characterization and evaluation of North American Trifolium ambiguum -nodulating rhizobia." Biology and Fertility of Soils 38, no. 5 (September 1, 2003): 311–18. http://dx.doi.org/10.1007/s00374-003-0661-y.

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Zheng, W., P. Seguin, and M. S. Beauregard. "Diversity of Trifolium ambiguum ?nodulating rhizobia from the lower Caucasus." Biology and Fertility of Soils 40, no. 2 (July 1, 2004): 128–35. http://dx.doi.org/10.1007/s00374-004-0752-4.

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Baturo-Ciesniewska, A., J. Andrzejewska, K. A. Albrecht, Cz Sadowski, and L. Lenc. "First Report of Sclerotinia Stem Blight Caused by Sclerotinia trifoliorum on Trifolium ambiguum in Poland." Plant Disease 97, no. 1 (January 2013): 142. http://dx.doi.org/10.1094/pdis-07-12-0624-pdn.

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Kura clover (Trifolium ambiguum M. Bieb.), a rhizomatous, persistent legume native to the Caucasus region, has received recent attention in North America and New Zealand as a pasture and silage crop. It is reported to be resistant to most pathogens affecting other clovers, including Sclerotinia trifoliorum Eriks. (3,4), one of the most destructive pathogens of clovers in northern Europe. Kura clover (cv. KTA202) was established in May 2009 near Mochełek, Poland (53° 13′ N, 17° 51′ E) on a Luvisol soil. By May 2011, 70% of plants grown in an experimental field (350 m2) had died, and 20% of the

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Taylor, N. L., J. A. Anderson, and E. G. Williams. "Registration of Trifolium ambiguum ✕ T. repens Hexaploid Germplasm HBC/F2‐C." Crop Science 38, no. 1 (January 1998): 286–87. http://dx.doi.org/10.2135/cropsci1998.0011183x003800010065x.

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Più fonti

Tesi sul tema "Trifolium ambiguum"

Swanepoel, Pieter Andreas. "The relationship of Trifolium repens and T. ambiguum with host-specific Rhizobium bacteria for potential incorporation into sustainable, low N input pastures." Diss., University of Pretoria, 2010. http://hdl.handle.net/2263/25774.

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Research on efficient management systems to optimise Trifolium repens-Rhizobium symbiosis, is lacking in South Africa. The amount of nitrogen (N) fixed by symbiotic rhizobia in root nodules of T. repens is ultimately determined by health of the soil environment. Soil organic matter (SOM) is the main attribute that will sustain soil health as it affects the chemical, physical and biological aspects of soil. The aim of this study was to determine the potential of T. repens and T. ambiguum to sustain low N input pastures. The hypotheses of this study is that SOM can play an important role in ensu

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Smith, Thomas M. "Seed Priming and Smoke Water Effects on Germination and Seed Vigor of Selected Low-Vigor Forage Legumes." Thesis, Virginia Tech, 2006. http://hdl.handle.net/10919/36162.

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<p>A commercial solid matric priming method and an osmotic priming method were used to measure seed priming responses of birdsfoot trefoil, kura clover, and sericea lespedeza. Differences were not observed using standard germination tests, but both priming methods show potential for increased germination rate (P>0.05). Conflicting results for matric and osmotic priming were found in terms of seed storage potential after priming, with matric primed seeds showing higher (P<0.05) germination after accelerated aging and osmotic primed seeds showing significant lower germination(P<0.01). Birdsfo

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Ates, Serkan. "Grazing management of subterranean clover (Trifolium subterraneum L.) in South Island (New Zealand)." Diss., Lincoln University, 2009. http://hdl.handle.net/10182/1338.

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This study consisted of two sheep grazed dryland pasture experiments. Experiment l compared sheep production from 3-year-old cocksfoot based pastures grown in combination with white, Caucasian, subterranean or balansa clover with a ryegrass-white clover pasture and a pure lucerne forage. Sheep liveweight gain per head from each pasture treatment and the pure lucerne stand was recorded in the 2006/07 and 2007/08 seasons. The cocksfoot-subterranean clover pasture provided equal (381 kg LW/ha in 2006) or higher (476 kg LW/ha in 2007) animal production in spring and gave the highest total animal p

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Beauregard, Marie-Soleil. "Characterization of rhizobia nodulating Trifolium ambigum M.B." Thesis, McGill University, 2003. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=81246.

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Phenotypic characterizations demonstrated that diversity among 19 naturalized North American and 5 commercial Kura clover ( Trifolium ambiguum M.B.) rhizobial strains was limited. Growth chamber and field evaluations indicated the superiority of North American isolates, increasing foliage accumulation by 30% when compared to commercial inoculant strains. Nitrogen fertilization, however, produced greater accumulations in all evaluations. Genetic diversity among 128 isolates from the lower Caucasus was significant. Nodulation specificity of rhizobia from the lower Caucasus was demonstrate

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Tonmukayakul, Nop. "Water use efficiency of six dryland pastures in Canterbury." Lincoln University, 2009. http://hdl.handle.net/10182/1498.

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The annual and seasonal water use efficiency of six pasture combinations were calculated from the ‘MaxClover’ Grazing Experiment at Lincoln University. Pastures have been established for six years and are grazed by best management practices for each combination. Measurements for this study are from individual plots of four replicates of ryegrass (RG)/white clover (Wc), cocksfoot (CF)/Wc; CF/balansa (Bal) clover; CF/Caucasian (Cc) clover; CF/subterranean (Sub) clover or lucerne. Water extraction measurements showed soils for all dryland pastures had a similar plant available water content of

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Walker, Jennifer A. "Kura clover (Trifolium ambiguum M. Bieb) seed production and establishment in Alberta." Phd thesis, 2009. http://hdl.handle.net/10048/823.

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Abstract (sommario):

Kura clover (Trifolium ambiguum) is a perennial legume species that has been found to have exceptional persistence in the United States, Australia and New Zealand. There are two challenges that impede the incorporation of Kura clover into pasture mixtures in Alberta. The first is the lack of available seed, and the second is poor establishment success in mixtures with highly competitive grass species. A series of experiments were conducted to (i) address the potential for seed production in a central Alberta environment and (ii) to determine alternative strategies for establishment in mixtu

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Walker, Jennifer Anne. "Kura clover (Trifolium ambiggum) seed production and establishment in Alberta." 2009. http://hdl.handle.net/10048/823.

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Abstract (sommario):

Thesis (Ph. D.)--University of Alberta, 2009.<br>Title from pdf file main screen (viewed on Jan. 14, 2010). A thesis submitted to the Faculty of Graduate Studies and Research in partial fulfillment of the requirements for the degree of Doctor of Philosophy in Plant Science, [Department of] Agriculture, Food and Nutritional Sciences, University of Alberta. Includes bibliographical references.

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Capitoli di libri sul tema "Trifolium ambiguum"

Elliot, R. M., W. L. Lowther, and C. W. Ronson. "Interactions Between Rhizobia Nodulating Trifolium ambiguum and Trifolium repens in the Field." In Biological Nitrogen Fixation for the 21st Century, 530. Dordrecht: Springer Netherlands, 1998. http://dx.doi.org/10.1007/978-94-011-5159-7_340.

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Sastry, K. Subramanya, Bikash Mandal, John Hammond, S. W. Scott, and R. W. Briddon. "Trifolium spp. (Trifolium album, T. alexandrinum, T. ambiguum, T. campestre, T. dubium, T. hybridum, T. incarnatum, T. pratense, T. repens, T. subterraneum, T. tembense, T. vesiculosum) (Clover)." In Encyclopedia of Plant Viruses and Viroids, 2559–78. New Delhi: Springer India, 2019. http://dx.doi.org/10.1007/978-81-322-3912-3_954.

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Taylor, N. L., and R. R. Smith. "Kura Clover (Trifolium ambiguum M.B.) Breeding, Culture, and Utilization." In Advances in Agronomy, 153–78. Elsevier, 1997. http://dx.doi.org/10.1016/s0065-2113(08)60243-6.

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Atti di convegni sul tema "Trifolium ambiguum"

Aksenova, T. S., O. P. Onishchuk, O. N. Kurchak, E. E. Andronov, and N. A. Provorov. "Study of the genetic organization of the strain Rhizobium leguminosarum bv. trifolii forming a symbiosis with clover Trifolium ambiguum." In 2nd International Scientific Conference "Plants and Microbes: the Future of Biotechnology". PLAMIC2020 Organizing committee, 2020. http://dx.doi.org/10.28983/plamic2020.014.

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Abstract (sommario):

R. leguminosarum bv. trifolii strains are characterized by narrow host specificity. We have identified a strain that forms nodules on several types of clover and studied the genetic organization of its symbiotic region.

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