Rust fungi on woody plants of the ile alatau mountain ridge (Kazakhstan).

Autor: Sypabekkyzy, G., Sedlářová, M., Rakhimova, Y. V., Yermekova, B. D., Kyzmetova, L. A., Assylbek, A. M.
Předmět:
Zdroj: International Journal of Biology & Chemistry; 2020, Vol. 13 Issue 2, p14-23, 10p
Abstrakt: Establishing the species composition of rust fungi associated with trees and shrubs, their distribution in the altitude zones and gorges of the Ile Alatau is of scientific and practical importance. The presented work is devoted to the study of the diversity of rust fungi affecting all woody plants on the territory of the Ile Alatau. The material for the article was both the authors’ own collections from the research area and the Institute’s herbarium data. Preparation of specimens was carried out according to standard methods; they were studied using a Polyvar photomicroscope with Nomarsky interference optics. According to the long-term research results, 35 species of rust fungi were recorded on woody plants in the Ile Alatau, among them 5 species were registered by us for the first time. The most numerous genera are Phragmidium and Puccinia, which are presented by 10 species each. The highest number of species (23) of rust fungi on trees and shrubs was recorded in the Turgen gorge of Ile Alatau. However, all identified species belonged only to four genera: Melampsora, Gymnosporangium, Phragmidium, and Puccinia. The high numbers of rust fungi species on woody plants were found in the Big and Small Almaty gorges: 22 and 19, respectively. The minimal number of species (6) was recorded in the Akterek gorge of the Zhetyzhol ridge, which is the western tip of the Ile Alatau. 56 vascular plants, including 22 species of trees, 30 species of shrubs, and 4 species of woody vines, were recorded as hosts for rust fungi. Almost 45% of species of rust fungi were found on representatives of the family Rosaceae. For the first time, 7 new host plants were registered. The highest species diversity of rusts is recorded for the levels 1300–1900 m a. s. l. The value of the study and its practical importance lies in obtaining new data on the distribution of rust infections of various trees and shrubs in the territory of Ile Alatau. [ABSTRACT FROM AUTHOR]
Databáze: Complementary Index