Dissertations / Theses on the topic 'Brassica – Breeding'
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Sharpe, Andrew Glenn. "Marker-assisted breeding in oilseed rape (Brassica napus)." Thesis, University of East Anglia, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.361724.
Full textMajer, Dorothea. "Genetic variation in Pyrenopeziza brassicae and its interaction with its host Brassica napus ssp. oleifera." Thesis, University of East Anglia, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.338299.
Full textSnowdon, Rodney John [Verfasser]. "Genome analysis and molecular breeding of Brassica oilseed crops / Rodney John Snowdon." Gießen : Universitätsbibliothek, 2011. http://d-nb.info/1061195929/34.
Full textSnowdon, Rod [Verfasser]. "Genome analysis and molecular breeding of Brassica oilseed crops / Rodney John Snowdon." Gießen : Universitätsbibliothek, 2011. http://nbn-resolving.de/urn:nbn:de:hebis:26-opus-80641.
Full textSchelfhout, Christopher James. "DNA marker assisted breeding in interspecific crosses to improve canola (Brassica napus L.)." University of Western Australia. School of Plant Biology, 2008. http://theses.library.uwa.edu.au/adt-WU2008.0167.
Full textCoventry, Jane. "Development of S allele diagnostics for a hybrid canola (Brassica napus L.) breeding program." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/MQ61886.pdf.
Full textKieffer, Martin Louis. "The in vitro manipulation of cauliflower (Brassica oleracea L. convar. botrytis (L.) Alef. var. botrytis L.) meristematic tissues for utilisation in genetic improvement programmes." Thesis, University of Plymouth, 1996. http://hdl.handle.net/10026.1/2557.
Full textWang, Tina Y. "Determining the Fate of Hybridized Genomes in the Allopolyploid Brassica napus." DigitalCommons@CalPoly, 2010. https://digitalcommons.calpoly.edu/theses/358.
Full textPontoppidan, Mia. "Modified fatty acid composition in Brassica napus using transformation and somatic hybridisation /." Uppsala : Swedish Univ. of Agricultural Sciences (Sveriges lantbruksuniv.), 1999. http://epsilon.slu.se/avh/1999/91-576-5461-1.pdf.
Full textLeeks, C. R. F. "Determining seed vigour in selected Brassica species." Lincoln University, 2006. http://hdl.handle.net/10182/1274.
Full textBurlakoti, Pragyan. "Inoculation Techniques, Development of Brassica Napus Breeding Lines and Identification of Markers Associated with Resistance to Sclerotinia Sclerotiorum (Lib.) De Bary." Diss., North Dakota State University, 2012. https://hdl.handle.net/10365/26561.
Full textHatzig, Sarah Vanessa [Verfasser]. "Breeding for climate change : genetics and physiology of seed vigor, seedling vigor and early drought resistance in winter oilseed rape (Brassica napus L.) / Sarah Vanessa Hatzig." Gießen : Universitätsbibliothek, 2015. http://d-nb.info/108012019X/34.
Full textSeimandi, Corda Gaëtan. "Recherche de nouveaux leviers pour cribler la résistance du colza (Brassica napus) au méligèthe (Brassicogethes aeneus) : de la métabolomique au champ." Thesis, Rennes 1, 2018. http://www.theses.fr/2018REN1B012/document.
Full textHerbivorous insects cause important yield losses to crops. These insects are mainly managed through insecticides but negative effects of used compounds on the human health and the environment as well as the development of resistant pest populations impose finding alternative strategies to manage them. Breeding plants for enhanced resistance to insects is an attractive strategy. This kind of strategy was already implemented to manage insects but examples of its utilisation remain rare. The main limitation of this strategy is that a large number of genotypes needs to be screened through generally complex phenotyping methods to identify resistances. To circumvent these issues, an approach based on the understanding of plant defence mechanisms and the utilisation of biochemical biomarkers linked to resistance could be interesting. During this PhD, this kind of approach was developed on the oilseed rape (Brassica napus) and one of its main pests, the pollen beetle (Brassicogethes aeneus). Previous studies identified chemical compounds present in the perianth of flower buds and correlated to oilseed rape resistance to pollen beetle. However these studies were carried out in the laboratory and need to be validated in field conditions. Moreover, information on pollen beetle feeding ecology are still lacking while they could help identifying new targets for breeding. The first objective of this PhD is to develop a method allowing to screen resistance to the pollen beetle in the field. This method will allow to confirm the potential biomarkers previously identified and to look for additional biomarkers. The second objective of the present work was to better understand key steps in the interaction between the pest and its host plant to identify potential new target traits for resistance. For this purpose, the importance of food sources present in flowers such as pollen and nectar on pollen beetle development and the factors impacting the feeding pattern of adults on the inflorescence were investigated. We conducted field experiments in two different sites and for two consecutive years and propose a method allowing to screen oilseed rape resistance to pollen beetle in the field. Using this method, we were able to identify genotypes with moderate levels of resistance among a set of 19 genotypes. Previously identified biochemical biomarkers were not correlated with plant resistance in the field but new markers were identified (i.e. quinic acid and arginine). Our field experiments also showed that plant composition is highly variable according to the environment and this variability could affect usefulness of these markers during plant breeding programs. Experiments under controlled conditions also showed that pollen beetle used nectar for feeding but that it did not seem to affect its development. Pollen, on the other hand, seemed to have a more important impact but was not indispensable to pollen beetle development. The study of the pollen beetle feeding behaviour showed that this insect has a surprising feeding pattern on oilseed rape inflorescences and that small buds are more used for feeding than large buds that contain more pollen. It seems that accessibility and to a lesser extend availability of feeding resource explain this pattern and that the perianth has a major role on this preference. These experiments allowed to better understand the pollen beetle feeding ecology and to identify plant traits important for its development. Our work showed that moderate levels of resistance are present in oilseed rape and could be used in breeding programs. Limitations of approaches based on biochemical biomarkers are discussed
El-Ali, Labib. "RESPONSE OF N2O TO NITROGEN MANAGEMENT AND BREEDING FOR SEED OIL IN BIODIESEL DEDICATED CANOLA." 2011. http://hdl.handle.net/10222/14328.
Full textAsselin, Sean Robert. "Seed quality improvement in the ogu-INRA CMS system in Oilseed Rape (Brassica napus L.)." 2012. http://hdl.handle.net/1993/8363.
Full textWulf, Tobias. "Phänotypisierung von Raps- und anderen Brassica-Genotypen zur Identifizierung von Resistenzquellen gegenüber Sclerotinia sclerotiorum." Doctoral thesis, 2011. http://hdl.handle.net/11858/00-1735-0000-0006-AB4A-7.
Full textCUŘÍNOVÁ, Petra. "Využití techniky AFLP fingerprintingu ve šlechtění řepky." Master's thesis, 2008. http://www.nusl.cz/ntk/nusl-48788.
Full textJesske, Tobias. "Brassica - Wildarten als neue genetische Ressource für die Rapszüchtung." Doctoral thesis, 2011. http://hdl.handle.net/11858/00-1735-0000-0006-AB3E-3.
Full textGirke, Andreas. "Neue Genpools aus resynthetisiertem Raps (Brassica napus L.) für die Hybridzüchtung." Doctoral thesis, 2002. http://hdl.handle.net/11858/00-1735-0000-0006-AEB2-3.
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