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GrainGenes Reference Report: APY-37-161

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Reference
APY-37-161
Title
Sources and donors of resistance to wheat spot blotch caused by Bipolaris sorokiniana Shoem. (Cochliobolus sativus Drechs. ex Dastur)
Journal
Archives of Phytopathology and Plant Protection
Year
2004
Volume
37
Pages
161-167
Author
Mikhailova LA
Sun L
Gogoleva SG
Gultyaeva EI
Abstract
The resistance of wheat lines and cultivars from the Institute of Crop Breeding and synthetic, hexaploid wheat lines derived from T. durum and T. tauschii (Aegilops tauschii) (CIMMYT) were screened for resistance to spot blotch Bipolaris sorokiniana (=Cochliobolus sativus) using field and laboratory tests. The highly and moderately resistant wheat samples were determined. The satisfactory coincidence of data obtained from the evaluation of type reaction of seedlings and disease severity in adult plant stage was demonstrated. The genetics of resistance in Chinese lines Long 98-4554, Long 98-4546, Long mai 24, Long mai 23 and Canadian line 181-5 was studied using hybridological analysis. The resistance in these lines was inherited as quantitative traits and was conditioned by a few (one or two) genes. The absence of susceptible plants in F2 in crosses of resistant lines Long 98-4554, Long 98-4546, Long mai 24 and 181-5 can testify to the presence of a common gene of resistance. Our data reveals the poor genetic diversity for spot blotch resistance in studying wheat genotypes
Keyword
cross
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