Littérature scientifique sur le sujet « Eragrostis curvula »
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Articles de revues sur le sujet "Eragrostis curvula"
Carballo, Jose, Diego Zappacosta, Juan Pablo Selva, Mario Caccamo et Viviana Echenique. « Eragrostis curvula, a Model Species for Diplosporous Apomixis ». Plants 10, no 9 (31 août 2021) : 1818. http://dx.doi.org/10.3390/plants10091818.
Texte intégralRabau, T., B. Longly et B. P. Louant. « Ontogenèse des sacs embryonnaires non réduits chez Eragrostis curvula ». Canadian Journal of Botany 64, no 8 (1 août 1986) : 1778–85. http://dx.doi.org/10.1139/b86-237.
Texte intégralJohnston, W. H., et V. F. Shoemark. « Establishment and persistence of palatable taxa of Eragrostis curvula complex in southern New South Wales ». Australian Journal of Experimental Agriculture 37, no 1 (1997) : 55. http://dx.doi.org/10.1071/ea96025.
Texte intégralDI RENZO, M. A., M. A. IBAÑEZ, N. C. BONAMICO et M. M. POVERENE. « Estimation of repeatability and phenotypic correlations in Eragrostis curvula ». Journal of Agricultural Science 134, no 2 (mars 2000) : 207–12. http://dx.doi.org/10.1017/s0021859699007522.
Texte intégralJohnston, W. H., T. B. Koen et V. F. Shoemark. « Water use, competition and a temperate-zone C4 grass (Eragrostis curvula (Schrad.) Nees. complex) cv. Consol ». Australian Journal of Agricultural Research 53, no 6 (2002) : 715. http://dx.doi.org/10.1071/ar98115.
Texte intégralJohnston, WH. « Palatability to sheep of the Eragrostis curvula complex. 2. Selection of palatable taxa ». Australian Journal of Experimental Agriculture 28, no 1 (1988) : 47. http://dx.doi.org/10.1071/ea9880047.
Texte intégralJohnston, W. H., P. S. Cornish, T. B. Koen et V. F. Shoemark. « Eragrostis curvula (Schrad.) Nees. complex pastures in southern New South Wales, Australia : a comparison of Eragrostis curvula cv. Consol and Medicago sativa L. cv. Nova under intensive rotational management ». Australian Journal of Experimental Agriculture 45, no 10 (2005) : 1255. http://dx.doi.org/10.1071/ea04080.
Texte intégralCampbell, MH, JJ Dellow, MJ Keys et AR Gilmour. « Use of herbicides for selective removal of Eragrostis curvula (Schrad.) Nees from a Phalaris aquatica pasture ». Australian Journal of Experimental Agriculture 25, no 3 (1985) : 665. http://dx.doi.org/10.1071/ea9850665.
Texte intégralBurson, Byron L., et Paul W. Voigt. « Cytogenetic Relationships between the Eragrostis curvula and E. lehmanniana Complexes ». International Journal of Plant Sciences 157, no 5 (septembre 1996) : 632–37. http://dx.doi.org/10.1086/297384.
Texte intégralRodrigo, Juan Manuel, Diego Carlos Zappacosta, Juan Pablo Selva, Ingrid Garbus, Emidio Albertini et Viviana Echenique. « Apomixis frequency under stress conditions in weeping lovegrass (Eragrostis curvula) ». PLOS ONE 12, no 4 (18 avril 2017) : e0175852. http://dx.doi.org/10.1371/journal.pone.0175852.
Texte intégralThèses sur le sujet "Eragrostis curvula"
Ncanana, Sandile Welcome. « Biolistic-mediated transformation of Eragrostis Curvula with the HSP 12 gene ». Thesis, University of Cape Town, 2003. http://hdl.handle.net/11427/6771.
Texte intégralEragrostis curvula is a desiccation sensitive monocotyledonous plant and an economically important forage grass in southern Africa. This species has a potential to be improved for drought and salt resistance among other important agronomic traits. In this study, E. curvula was used as a model system to explore the feasibility of producing pasture grasses with increased tolerance to water deficit. To date, no reports have been published on transformation of this species. This study reports the transformation of E. curvula with Saccharomyces cerevisiae Hsp 12 gene using biolistic-mediated transformation. Firstly, a tissue culture protocol was established for E. curvula that was suitable for transformation studies. Although this species has been previously regenerated in vitro using inflorescence tissues, this study established new protocols that utilize leaf and seed as source of material. The aim of which was to find the best regenerable tissue that could be used for transformation studies. Plant regeneration was achieved from shoot explants cultured on MS medium supplemented with either 0.5 mg/I thidiazuron (TDZ) or 0.5 mg/I 6-benzylaminopurine (BAP) through the process of direct organogenesis. It was found that TDZ was the most effective cytokinin. Plant regeneration was also achieved from callus induced from immature leaves on MS medium supplemented with 2 mg/I 2,4- 0,0.01 mg/I BAP and 6 % (w/v) sucrose. Histological experiments performed gave clear evidence that plant regeneration from callus was through a process of indirect organogenesis. The regeneration protocol was combined with an optimized biolistic mediated transformation protocol using the PDS-I00/He apparatus of which both shoot explants and callus were used as target tissues. In the molecular aspect of the study, the Hsp 12 gene was ligated in the Sac I restriction site of pCAMBIAUbeeQ vector. The successful cloning of the Hsp 12 gene was confirmed by PCR and restriction endonuclease digestion. The resultant vector pCAMBIAUbeeQ Hsp 12 was purified and subsequently used for biolistic transformation of E. curvula. The regenerable shoot explants and callus tissue were bombarded with DNA (pCAMBIAUBeeQHsp12) coated on gold particles. As a comparative study, Agrobacterium tumefaciens was transformed with pCAMBIAUBeeQHsp12 vector for subsequent transformation of Nicotiana tabacum. Transient expression of GUS gene in transformed E. curvula shoot explants was visualized 72 h after bombardment. Optimized conditions for expression of GUS gene were gold micro projectiles, 7 cm travel distance and helium pressure of 9100 kPa. Transformed tissues were cultured on the regeneration medium without antibiotic selection. Putative transformants were generated and the presence of Hsp 12 gene was verified by PCR and its expression at RNA level was confirmed by RT-PCR. The presence of Hsp 12 protein in the transformed plants was analyzed using SDS-PAGE and MALDI-TOF peptide mass spectrometry.
Johnston, William Henry, University of Western Sydney, of Science Technology and Environment College et School of Environment and Agriculture. « The role of Eragrostis curvula (Schrad.) Nees. complex in temperate pastures in southeastern Australia ». THESIS_CSTE_EAG_Johnston_W.xml, 2003. http://handle.uws.edu.au:8081/1959.7/29.
Texte intégralDoctor of Philosophy (PhD)
Johnston, William Henry. « The role of Eragrostis curvula (Schrad.) Nees. complex in temperate pastures in southeastern Australia / ». View thesis View thesis, 2003. http://library.uws.edu.au/adt-NUWS/public/adt-NUWS20030506.100204/index.html.
Texte intégralVan, der Willigen Clare. « Comparisons of the resurrection grass, Eragrostis nindensis, with the related desiccation-sensitive species, E. curvula ». Doctoral thesis, University of Cape Town, 2001. http://hdl.handle.net/11427/6104.
Texte intégralDesiccation tolerance of the inner leaves of Eragrostis nindensis is compared with the desiccation sensitivity of the outer leaves, as well as those of the closely related species, E. curvula. Both E. nindensis and E. curvula dehydrate to a relative water content (RWC) ofless than 5% in two weeks. Photosynthetic activity in E. curvula is maintained down to 40% RWC, after which further drying results in a sudden irreversible breakdown of the photosynthetic system and its pigments.
Willigen, Clare Vander. « Comparisons of the resurrection grass, Eragrostis nindensis, with the related desiccation-sensitive species, E. curvula ». Doctoral thesis, University of Cape Town, 2001. http://hdl.handle.net/11427/11403.
Texte intégralDesiccation tolerance of the inner leaves of Eragrostis nindensis is compared with the desiccation sensitivity of the outer leaves, as well as those of the closely related species, E. curvula. Both E. nindensis and E. curvula dehydrate to a relative water content (RWC) ofless than 5% in two weeks. Photosynthetic activity in E. curvula is maintained down to 40% RWC, after which further drying results in a sudden irreversible breakdown of the photosynthetic system and its pigments.
Skinner, Amy. « Investigating the effect of Glomus etunicatum colonization on structure and phloem transport in roots of Eragrostis curvula (Umgeni) ». Thesis, Rhodes University, 2007. http://hdl.handle.net/10962/d1003796.
Texte intégralHely, Sara Elizabeth Lorraine Biological Earth & Environmental Sciences Faculty of Science UNSW. « The responses of C4 invasive grass Eragrostis curvula and C3 native grass Austrodanthonia Racemosa under elevated CO2 and water limitation ». Awarded by:University of New South Wales, 2008. http://handle.unsw.edu.au/1959.4/35671.
Texte intégralMynhardt, Herman. « Effect of nitrogen and energy supplementation on intake, digestibility and rumen fermentation efficiency in sheep fed poor quality Eragrostis curvula hay ». Thesis, University of Pretoria, 2017. http://hdl.handle.net/2263/63291.
Texte intégralThesis (PhD)--University of Pretoria, 2017.
Red Meat Producers Organization
Animal and Wildlife Sciences
PhD
Unrestricted
Yasui, Simone-Louise Emiko. « Managing the community : Assessing the efficacy of invasive plant control strategies in Australian grassy ecosystems from deserts to dairy country ». Thesis, Queensland University of Technology, 2021. https://eprints.qut.edu.au/213051/1/Simone-Louise_Yasui_Thesis.pdf.
Texte intégralJohnston, William H. « The role of Eragrostis curvula (Schrad.) Nees. complex in temperate pastures in southeastern Australia ». Thesis, 2003. http://handle.uws.edu.au:8081/1959.7/29.
Texte intégralChapitres de livres sur le sujet "Eragrostis curvula"
Mentz, A. M., A. Hassen, W. A. Van Niekerk, H. Mynhardt et R. Coertze. « The effect of substituting urea for a commercial slow release urea as supplement to sheep fed a poor quality Eragrostis curvula hay ». Dans Energy and protein metabolism and nutrition in sustainable animal production, 99–100. Wageningen : Wageningen Academic Publishers, 2013. http://dx.doi.org/10.3920/978-90-8686-781-3_23.
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