Genetics of wheat somaclones resistance to Bipolaris sorokiniana Shoem.

https://doi.org/10.17221/10352-PPSCitation:Tyryshkin L.G., Tyryshkina-Shishelova N.A. (2002): Genetics of wheat somaclones resistance to Bipolaris sorokiniana Shoem. Plant Protect. Sci., 38: 186-188.
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Genetics of resistance to common root rot and dark brown leaf spot blotch (both caused by Bipolaris sorokiniana Shoem.)
was studied in wheat somaclonal lines, obtained in calluses culture of samples 181-5 and Vera. Four different approaches
were used: linear analysis of resistance in generations of segregating somaclonal lines, hybridological analysis, study
of resistance components, study of possible durability of resistance. Results showed, that resistance to both diseases is
likely controlled by polygenic systems with additive actions of minor genes. Different lines possess non-identical genetic
systems for resistance. Several lines kept their initial level of resistance to spot blotch after 5 cycles of the pathogen
artificial population reproduction.
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