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Flowering time, development and yield in oilseed rape (Brassica napus): Sequence diversity in regulatory genes

Flowering time (FTi) genes play a key role as regulators of complex gene expression networks, and the influence of these networks on other complex systems means that FTi gene expression triggers a cascade of regulatory effects with a broad global effect on plant development. Hence, allelic and expression differences in FTi genes can play a central role in phenotypic variation throughput the plant lifecycle. A prime example for this is found in Brassica napus, a phenotypically and genetically diverse species with enormous variation in vernalisation requirement and flowering traits. The species includes oilseed rape (canola), one of the most important oilseed crops worldwide. Previously we have identified QTL clusters related to plant development, seed yield and heterosis in winter oilseed rape that seem to be conserved in diverse genetic backgrounds. We suspect that these QTL are controlled by global regulatory genes that influence numerous traits at different developmental stages. Interestingly, many of the QTL clusters for yield and biomass heterosis appear to correspond to the positions of meta-QTL for FTi in spring-type and/or winter-type B. napus. Based on the hypothesis that diversity in FTi genes has a key influence on plant development and yield, the aim of this study is a detailed analysis of DNA sequence variation in regulatory FTi genes in B. napus, combined with an investigation of associations between FTi gene haplotypes, developmental traits, yield components and seed yield.

GPS-RTK gesteuertes Säen, Pflanzen und Hacken für 'Position Farming' auf gemeinsamer Datenbasis mit PosiSeed - PosiPlant - PosiWeed (PosiFarm), Teilprojekt B

In-vitro-Selektion von Juglans regia -Sämlingsklonen der Herkunft Dachigam

Zielsetzung: Aufbauend auf wichtige Forschungsergebnisse aus dem abgeschlossenen Juglans regia -Projekt (BGB 3801, 2016-2018), wo eine In-vitro-Etablierung über adultes Pflanzenmaterial erfolgte, wird im vorliegenden Projekt auf Samen (juveniles Pflanzenmaterial) zurückgegriffen. Die benötigten Walnüsse für die In-vitro-Etablierungsversuche werden in einem der Ursprungsgebiete von Juglans regia gesammelt und für Forschungszwecke zur Verfügung gestellt. Beim Ursprungsgebiet handelt es sich um die autochthone Walnussherkunft Dachigam (Kaschmir/Indien) mit hervorragender Stammqualität und Wuchsleistung - vergleichbar mit Edellaubholzbeständen. Über die In-vitro-Vermehrung selektierter Sämlingsklone soll ein Mutterpflanzenbestand aufgebaut werden, da der Bezug von Absaaten aus Dachigam alsbald nicht mehr möglich ist. Bedeutung des Projekts für die Praxis: Bei der vorliegenden geplanten wissenschaftlichen Tätigkeit besteht großes Interesse von Seiten der Forstwirtschaft, da sich Walnussbäume aus dem Ursprungsgebiet Dachigam in den heimischen Wäldern bereits bewährt haben. Dabei handelt es sich um eine autochthone Walnussherkunft aus dem Kaschmirgebiet/Indien mit hervorragender Stammqualität und Wuchsleistung, vergleichbar mit Edellaubholzbeständen. Die benötigten Walnüsse werden vor Ort gesammelt und für Forschungszwecke zur Verfügung gestellt.

Wir haben die Erde nur von unseren Kindern geliehen. Umweltveränderungen und Lebensweise im Zentraloman im 3. und 2. Jahrtausend v. Chr

Besamungsstationen mit Zulassung nach Tierzuchtgesetz

Betreiber von Besamungsstationen oder von Embryo-Entnahmeeinheiten für den nationalen Handel bedürfen der Erlaubnis nach §18 des Nationalen Tierzuchtgesetzes (TierZG, 2019). Die Erlaubnis erfolgt durch die zuständige Tierzuchtbehörde des entsprechenden Bundeslandes.

Wir haben die Erde nur von unseren Kindern geliehen. Umweltveränderungen und Lebensweise im Zentraloman im 3. und 2. Jahrtausend v. Chr, Teilprojekt: Malakologie

Wir haben die Erde nur von unseren Kindern geliehen. Umweltveränderungen und Lebensweise im Zentraloman im 3. und 2. Jahrtausend v. Chr, Teilprojekt: Archäobotanik

Pliocene benthic foraminiferal abundances of ODP Hole 105-646B from north Atlantic

Our benthic foraminiferal data clearly indicate eight layers of deep-water turbidites during the Messinian (MTL 1-8) and one in the early Pliocene (PTL 1) in Ocean Drilling Program Leg 105, Site 646B. These deep-water tuibidite deposits are characterized by highly concentrated agglutinated marsh benthic foraminifera (e.g., Trochammina cf. squamata, Ammotium sp. A, Miliammina fusca), rounded quartz, polished thick-walled benthic foraminifera, wood fragments, plant seeds, plant fruit, and highly concentrated mica and are interbedded with sediments containing deep-water benthic faunas. We suggest these turbidites deposited during sea-level low stands (approx. 80-100 m below sea level), and their ages are tentatively correlated to 6.59, 6.22, 6.01, 5.89, 5.75, 5.7, 5.65, 5.60, and 5.55 Ma, respectively, based on the Messinian oxygen isotope enrichments at Site 552A of Deep Sea Drilling Project Leg 81. The turbidites layers during the late Messinian, coeval with frequent climate changes suggested by six oxygen enrichment excursions of Site 552A, may have been in part linked to the late Messinian evaporite deposits in the Mediterranean Basin. The most profound climate changes at 5.75 and 5.55 Ma may have been related to the Lower and Upper Evaporites in the Mediterranean Basin.

Frozen Ark Projekt

Over the next thirty years it is predicted that more than 1000 species of mammals, a quarter of the world's total, and a similar proportion of birds, amphibians and marine animals (both invertebrates and vertebrates) will go extinct. Thousands of invertebrate species have already disappeared after the destruction of their habitats. The Frozen Ark Project is a strategy to conserve the genetic resources of the world's endangered species. It is the animal equivalent of the the 'Millennium Seed Bank' created by Kew Gardens to conserve the seeds of the world's plants. The Ark's consortium is a network of research and conservation bodies, including zoos, aquaria, natural history museums and research laboratories around the world. The charity's office and laboratory is based within the University of Nottingham.

Tracing the Fate of Contaminants in a Model Ecosystem

Scientists from the Palestinian authority, Israel and Germany, all involved in different aspects of analytical research, have joined in order to conduct an environmental study, which aims to understand the fate of selected contaminants in a model ecosystem. For this purpose, two typical terrestrial sites in the Middle East, one in the Palestinian authority and the other in Israel, have been selected, comprising a partially polluted area and a natural reserve as a reference. In these areas, the fate (chemical and physical transformations) of typical pollutants such as heavy metals (Pb, Cu, Zn, Cd, Fe), metalloids (As, Sn, Sb), organic dyes and air contaminants (O3, NOx, SO2) will be studied. This will also involve the determination of all the environmental conditions for the chemical transformation, which should shed some light on the dynamics of the ecosystems. At the same time novel inexpensive sensors and analytical procedures will be developed, which are necessary for the analysis of contaminants in this area. The goals will be accomplished by combined efforts of all partners.

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