, Volume 152, Issue 3, pp 429-440
Date: 30 Aug 2006

The genus Dasypyrum–– part 1. The taxonomy and relationships within Dasypyrum and with Triticeae species

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The article is an attempt to summarize available information about the relationships within Dasypyrum (Triticeae, Poaceae) and between Dasypyrum and other genera in the Triticeae. A relationship between the annual diploid D. villosum (L.) P. Candargy and the perennial tetraploid D. breviaristatum (L.) Frederiksen is discussed on the basis of cytological and molecular investigations. Although the relationship between the two Dasypyrum species seems to be quite close, D. breviaristatum is an autotetraploid with a basic genome different from that of D. villosum. The position of Dasypyrum in relation to other Triticeae is summarized, with special attention being paid to the Triticum and Secale. The closer relationship of Dasypyrum with Secale in comparison to Triticum seems to be reliable, even if only few intergeneric hybrids have been produced. It may be related to the fact that only a few experiments on production of those hybrids have been conducted till the present day, in contrast to experiments concerning hybrids with Triticum.