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Inheritance of Tolerance to Soil‐Borne Oat Mosaic Virus in Oats 1
Author(s) -
Byrd B. W.,
Graham Doyce,
Byrd W. P.
Publication year - 1971
Publication title -
crop science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.76
H-Index - 147
eISSN - 1435-0653
pISSN - 0011-183X
DOI - 10.2135/cropsci1971.0011183x001100060033x
Subject(s) - biology , heritability , avena , mosaic virus , selection (genetic algorithm) , mosaic , agronomy , inheritance (genetic algorithm) , infestation , virus , genetics , plant virus , gene , artificial intelligence , history , archaeology , computer science
Information was obtained on the reaction of segregating populations of oats ( Avena byzantina C. Koch and Avena sativa L.) to soil‐borne oat mosaic virus, Marmor terrestre var. typicum . Bulk F 3 lines were evaluated at two locations that had natural mosaic infestation in the soil. Frequency distributions of mosaic scores indicated that tolerance to OMV was a quantitative character. Heritability estimates based on progeny means ranging from .59 to .88 indicated that a large portion of the variability in tolerance to the virus is heritable. A heritability estimate based on individual plots was lower. Estimates of expected genetic advance indicated that selection of 5% of the more tolerant lines would result in lower mosaic scores, although the resulting scores would not approach the tolerant parent. Evaluation for tolerance at one location was a reliable indication of tolerance at the second location.