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Results of monitoring of the population of Blumeria graminis f.sp. hordei in Latvia in 2009-2010 Cover

Results of monitoring of the population of Blumeria graminis f.sp. hordei in Latvia in 2009-2010

By: Inese Kokina and  Isaak Rashal  
Open Access
|Jun 2012

Abstract

In 2009-2010, random samples of the causal agent of barley powdery mildew were collected in Daugavpils (south-eastern Latvia, Latgale region), Stende (north-western Latvia, Kurzeme region) and Priekuļi (north-eastern Latvia, Vidzeme region). Virulence frequency, complexity and pathotypes were calculated in the pathogen populations. Significant differences of virulence detected by the genes Va1, Va3 and Va13 occurred among samples of the pathogen population collected in different parts of Latvia. Nei index, Müller's index, Kosman index, Shannon index and Simpson index showed considerably higher diversity in Daugavpils and Stende during 2009-2010. In Daugavpils, the population of Blumeria graminis f.sp. hordei was particularly characterised by high diversity.

DOI: https://doi.org/10.2478/v10046-011-0045-x | Journal eISSN: 2255-890X | Journal ISSN: 1407-009X
Language: English
Page range: 41 - 47
Published on: Jun 28, 2012
Published by: Latvian Academy of Sciences
In partnership with: Paradigm Publishing Services
Publication frequency: 6 issues per year

© 2012 Inese Kokina, Isaak Rashal, published by Latvian Academy of Sciences
This work is licensed under the Creative Commons License.

Volume 66 (2012): Issue 1-2 (April 2012)