BIO Web Conf.
Volume 21, 2020XI International Scientific and Practical Conference “Biological Plant Protection is the Basis of Agroecosystems Stabilization”
|Number of page(s)||6|
|Published online||22 June 2020|
Loci that determine long-term resistance to blast of Russian rice varieties
1 Federal State Budget Scientific Institution “Federal Scientific Center for Rice”, Russia, Krasnodar, Belozerny, 3350921
2 Kuban State Agrarian University
3 OOO “Aratay”, Member of the Skolkovo Innovation Center, Moscow
* Corresponding author: firstname.lastname@example.org
In all rice-growing countries, including Russia, among the economically important, dangerous and harmful diseases of rice, the main role is played blast (pathogen Pyricularia oryzae Cavara). The problem of resistance of rice plants to disease is one of the main problems in modern breeding in most countries. The most effective way to protect rice from blast is using resistant varieties created with marker assistant selection (MAS). The article presents data on chromosomal regions that provide long-term resistance of varieties to pathogen in Russia. The groups of stable and unstable samples significantly differed in the presence of polymorphic loci on the fifth, sixth, eighth, ninth and second chromosomes, which reduces the complexity of evaluating selection material due to the primary screening of gene plasms by variability of resistance loci in the identified chromosomal regions.
© The Authors, published by EDP Sciences, 2020
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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