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Agricultural diversification is one way of meeting the future challenges associated with climate change and population growth, making farmers' access to a diversity of high-yielding, good quality cultivars critical. In this paper we provide an overview of the seed system in the Nordic region from the 1950 to the present. The emphasis is on breeding businesses and their production of cultivars. Key primary sources have been the national variety lists, other written sources on plant breeding, and a survey. We document how enterprises have merged and how this consolidation process has affected the production of new cultivars and led to an emphasis on major crops, resulting in the abandonment of breeding activities for several other crops. The results are discussed in relation to structures and in the broader context of agrobiodiversity issues in peripheral regions of the world.

Cultural relict plants are remaining populations of plants once introduced for cultivation and use. The plants have survived, even though the population is no longer actively maintained. Cultural relict plants can be found in the close surround- ings of historical places such as monastery ruins, churches, castles, fortresses, manors, old farms and villages. The plants are part of a living heritage, but the responsibility tends to fall between different perspectives – between the conservation of buildings, ob- jects and immaterial knowledge (cultural heritage) and conservation of nature (natu- ral heritage). In this article we debate the value of such plants as parts of a place. We list potential species and findings from a project with focus on the Arctic region in the Nordic countries. We furthermore emphasise the need for trans-disciplinary approaches to secure the habitat and increase awareness about cultural relict plants.

In this review we examine Nikolai Ivanovich Vavilov’s relationship to Scandinavia and the impact he and his ideas have had on Scandinavia. We trace the historical connections from Vavilov back to 18th century scientists, such as Carl Von Linneaus (Sweden) and 19th century European scientists such as Alphonse de Candolle (Switzerland), Henry de Vilmorin (France), and William Bateson (England). Vavilov has influenced the conservation work in Scandinavia resulting amongst other in the establishment of the Nordic Gene Bank in 1979 and the Svalbard Global Seed Vault which started operating in 2008. Vavilov travelled to Scandinavia in 1921 and in 1931 to give lectures and exchange ideas, especially with the breeders at the Swedish Seed Association (Svalöf) in Scania, Sweden, but also at the Copenhagen University in Denmark. Vavilov did not recognize Scandinavia as part of a center of origin of cultivated plants. It was only after World War II, when P.M. Zhukovsky, a scholar of N.I Vavilov, developed the concept of mega-centers of diversity of cultivated plants, that Scandinavia became part of what he termed the European-Siberian Region of Diversity. We list species domesticated in Scandinavia or Northern Europe, and we further discuss concepts related to crop evolution and highlight the great impact Vavilov has had by inspiring scientists across disciplines and over many decades.