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The study was conducted to compare historical plums, gene collections, and is currently cultivated and recent perspective varieties from the author. The object of the study was the relative ecological Borhidi’s figures and classification of varieties under the new definition, as the relative biological values. There were 11 figures no one in particular affect the data of the plums grown in importance as TB, WB, RB, LB, and the values are relative biological value (OP, FR, SS, and DR). The specificity of each indicator was different, but in general the importance and specific breeds was associated with. The SB (salt figures) is not proved informative, partly because small data in the literature, on the other hand, had little to their own observations as well. The gene bank of Cegléd is now third-generation (1951–1972, 1973–1991, since 1992) kind of collection, during which many aspects have changed climatic conditions: cold winter eased the strictness, but has increased the threat
of spring frost advection. The relative biological scores markedly influenced around flowering extreme weather (dry, windy weather and so flowering in within 2-3 days), optimal conditions of the plum pox virus vectors and of course the presence of fruit and foliage harmful fungi. It see to be, in the case of semi-wild and wild fruit species – are possible with similar comparative analyzes, and hopefully will in feral forms, culture – as we have seen previously (Surányi 2000 and 2006). In the continuation analysis of the natural vegetation and cultural context of the complex multifactorial factors will be carried out more easily, according to the relative value figures, as well as rootstock effects and plantation’s habitat studies, and even the most phytotechnical evaluation of interventions.