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Scientific Papers, USAMV Bucharest, Series A, Vol. LII, 2009, ISSN 1222-5339ASSESSMENT OF GENETIC DIVERSITY IN LENTIL (LENS CULINARISMEDIK.) AS REVEALED BY RAPD MARKERSI. ALABBOUD, LIZICA SZILAGYI, GH.V. ROMANUniversity of Agronomic Sciences and Veterinary Medicine of BucharestKeywords: Lens culinaris, RAPD markers, genetic diversityAbstractThe genetic diversity in nine varieties of lentil (Lens culinaris Medik.) - six cultivarsobtained from ICARDA, Syria, one cultivar developed in Romania and two landraces fromGermany and France - was evaluated using RAPD (Random Amplification PolymorphicDNA) markers. Ten primers were assayed and among them only a few (4) have presentedthe polymorphic bands. Genetic distances were calculated using Nei&Li (1979) similaritycoefficient, displayed in a dendrogram (UPGMA method). Cluster analysis based on RAPDamplification products divided genotypes in two main groups according to theirgeographical origin and their maturity. The similarity values found were higher than 70%,suggesting that genetic diversity between lentil genotypes analyzed are relatively low.439
Scientific Papers, USAMV Bucharest, Series A, Vol. LII, 2009, ISSN 1222-5339APRICOT ADAPTABILITY UNDER THE ROMANIANCLIMATIC CONDITIONSVIORICA BĂLAN*, VALERICA TUDOR*, ELENA TOPOR**, CONSTANTINACHIRECEANU***, IONELA DOBRIN*, BEATRICE IACOMI**University of Agronomic Sciences and Veterinary Medicine of Bucharest**Research and Development Station for Fruit-tree Growing of Constanta***Plant Protection Research Institute of BucharestKeywords: apricot, fenotypes, climatic changesAbstractResearch on the adaptability of 665 apricot phenotypes from seven geographic areas,preserved in the genetic collections, 9000 hybrids and 35 variety created in Romania, haveshown that, out of 27 seven years (1981-2007), seven years were unfavourable to apricotgrowing (of which four years were successive in the first decade of this century). Over thepast four years, the short frost periods (-7 0 C), sometimes lasting for only several hours,following longer warm periods at the end of February (+12 0 C, +20 0 C), affected the apricotphenotypes in their early budding or flowering stage. The damage resulted was 90-100% .The consequences of the climatic changes are significant with respect to the biologicaltransformation of the fruiting and vegetative organs and, further on correlated to thebiology of the most frequent pathogens, pests and predators in Romania.445
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SCIENTIFIC PAPERS

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