Plant Protect. Sci., 2002, 38(10):186-188 | DOI: 10.17221/10352-PPS

Genetics of wheat somaclones resistance to Bipolaris sorokiniana Shoem.Original Paper

L.G. Tyryshkin, N.A. Tyryshkina-Shishelova
Vavilov All-Russian Institute of Plant Industry (VIR), 190000 St.-Petersburg, Russia * Tel.: +7 812 466 4704, Fax: +7 812 113 7094, E-mail: tyr@na8418.spb.edu

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 approacheswere used: linear analysis of resistance in generations of segregating somaclonal lines, hybridological analysis, studyof resistance components, study of possible durability of resistance. Results showed, that resistance to both diseases islikely controlled by polygenic systems with additive actions of minor genes. Different lines possess non-identical geneticsystems for resistance. Several lines kept their initial level of resistance to spot blotch after 5 cycles of the pathogenartificial population reproduction.

Keywords: wheat; somaclonal variability; genetics of resistance; dark brown leaf spot blotch; common root rot; Bipolarissorokiniana

Published: June 30, 2002  Show citation

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Tyryshkin LG, Tyryshkina-Shishelova NA. Genetics of wheat somaclones resistance to Bipolaris sorokiniana Shoem. Plant Protect. Sci. 2002;38(SI 1 - 6th Conf EFPP):186-188. doi: 10.17221/10352-PPS.
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    References

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