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Differences in the Genetic Systems Controlling Photoreaction and Vernalization Requirement in Winter Bread Wheat

Stelmakh A.F., Fait V.I., Martynyuk V.R.

 




Comparing of vernalization requirement and photoperiodic sensitivity in various winter genotypes and F4 lines was carried out. The results of genetic analysis of Ppd genotypes in the crosses of winter wheat cultivars differing in photosensitivity and duration of vernalization requirement are described. It has been shown that differences in duration of vernalization requirement are under control of independent genetic system, distinctive from Ppd gene system regulating level of photosensitivity. This independence does not deny the opposite possibility of Ppd genes to modify duration of vernalization requirement in winter wheat.

Tsitologiya i Genetika 2001, vol. 35, no. 3, pp. 3-9



Stelmakh A.F., Fait V.I., Martynyuk V.R. Differences in the Genetic Systems Controlling Photoreaction and Vernalization Requirement in Winter Bread Wheat, Tsitol Genet., 2001, vol. 35, no. 3, pp. 3-9.




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