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Bulgarian Journal of Crop Science   ISSN 0568-465X
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Rust on onion in Uzbekistan
Sardorjon E. Avazov
Abstract: The article provides data about the study of rust on onions in Uzbekistan. 8 species from 3 genera of 2 families of rust fungi were identified, 5 of which were not previously reported by researchers in Uzbekistan. Uredinia and teliospores were found in 3 species: Uromyces ambiguns, Puccinia allii, P. porri, and aecidia and spermogonia in 5 species: Melampsora allii-fragalis, M. alli-populina, M. allii-salicis-albae, Puccinia permixta and P. winteriana. Most often, Puccinia allii and P. porri were the species that caused rust on onions. Analyzing the seasonal distribution, it can be said that the rust fungi aecidia were observed in April-May, the uredinia were observed in June-July, the teliospores were observed in August-September.
Keywords: aecidia; fungous diseases; onion; rust; teliospores; uredinia
Date published: 2017-12-01
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