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Genetic analysis reveals a single shared resistance gene in four barley varieties, indicating effective crop yield protection under severe yellow dwarf pressure.
Synopsis Yellow dwarf resistance was controlled by 1 gene in each of 4 barley varieties. Evidence from resistant ✕ resistant crosses indicated that these varieties carried the same gene for resistance. This gene conditioned a level of resistance adequate to assure fair yields under the most severe yellow dwarf conditions. No associations were found between the gene for resistance to yellow dwarf and genes located on linkage groups I and II.
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Rasmusson et al. (1959) studied this question.
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