Mycorrhiza and vitality structure of cenopopulation in Leucanthemum vulgare Lam.

Mycorrhiza and vitality structure of cenopopulation in Leucanthemum vulgare Lam. ISSN 1067-4136, Russian Journal of Ecology, 2008, Vol. 39, No. 5, pp. 375–378. © Pleiades Publishing, Ltd., 2008. Original Russian Text © P.V. Kondratkov, 2008, published in Ekologiya, 2008, No. 5, pp. 394–397. SHORT COMMUNICATIONS Mycorrhiza and Vitality Structure of Cenopopulation in Leucanthemum vulgare Lam. P. V. Kondratkov Ural State University, pr. Lenina 51, Yekaterinburg, 620038 Russia; e-mail: Received March 20, 2007 DOI: 10.1134/S1067413608050111 Key words: cenopopulation, vitality, mycorrhiza, variation. In natural populations, species are represented by a Parameters characterizing the development of gen- collection of individuals of differing vitality. This term erative organs included the number of inflorescences, refers to the level of metabolic intensity, the capacity their weight, and reproductive effort. The last parame- for passing through the complete life cycle, resistance ter was calculated as the ratio of the weight of inflores- to stress, and other characteristics. Integrated estimates cences to plant weight (reproductive effort I) or the of vitality reflect changes in the cenotic environment ratio of the weight of inflorescences to the area of and ecological factors (Zlobin, 1989, 1996). leaves (reproductive effort II). Division of the cenopopulation into groups accord- Mycosymbiotrophism is regarded as a major eco- ing to morphometric indices was Russian Journal of Ecology Springer Journals

Mycorrhiza and vitality structure of cenopopulation in Leucanthemum vulgare Lam.

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Life Sciences; Ecology
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