Effects of reciprocal crosses on agronomic performance of tritordeum

Effects of reciprocal crosses on agronomic performance of tritordeum Tritordeums (Tritordeum Ascherson et Graebner) are the amphiploids derived from the crosses between Hordeum chilense and durum or bread wheats. Primary tritordeums are obtained using H. chilense as female parent and therefore they exhibit H. chilense cytoplasm. The effect of wheat cytoplasm on agronomic performance of tritordeums was investigated. We developed four pairs of reciprocal F1 lines only differing in their cytoplasm, donated from wheat or H. chilense alternatively. The agronomic performance of reciprocal F1 lines contrasting for their cytoplasm was evaluated. The following traits were assessed: leave and tillers number one month after sowing, plant height, anthesis date, total number of ears, number of spikelets per spike, fertility of the main spike, length and wide of the flag leaf in the main stem and thousand kernel weight. Reciprocal F1 lines did not differ for any of the agronomic traits evaluated with the exception of anthesis date in the pair THC1726/HTC1727. Therefore, both wheat and H. chilense cytoplasms can be used in tritordeum breeding. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Genetics Springer Journals

Effects of reciprocal crosses on agronomic performance of tritordeum

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Publisher
Nauka/Interperiodica
Copyright
Copyright © 2007 by Pleiades Publishing, Inc.
Subject
Biomedicine; Human Genetics; Animal Genetics and Genomics; Microbial Genetics and Genomics
ISSN
1022-7954
eISSN
1608-3369
D.O.I.
10.1134/S1022795407080054
Publisher site
See Article on Publisher Site

Abstract

Tritordeums (Tritordeum Ascherson et Graebner) are the amphiploids derived from the crosses between Hordeum chilense and durum or bread wheats. Primary tritordeums are obtained using H. chilense as female parent and therefore they exhibit H. chilense cytoplasm. The effect of wheat cytoplasm on agronomic performance of tritordeums was investigated. We developed four pairs of reciprocal F1 lines only differing in their cytoplasm, donated from wheat or H. chilense alternatively. The agronomic performance of reciprocal F1 lines contrasting for their cytoplasm was evaluated. The following traits were assessed: leave and tillers number one month after sowing, plant height, anthesis date, total number of ears, number of spikelets per spike, fertility of the main spike, length and wide of the flag leaf in the main stem and thousand kernel weight. Reciprocal F1 lines did not differ for any of the agronomic traits evaluated with the exception of anthesis date in the pair THC1726/HTC1727. Therefore, both wheat and H. chilense cytoplasms can be used in tritordeum breeding.

Journal

Russian Journal of GeneticsSpringer Journals

Published: Aug 30, 2007

References

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