Formation of yield and protein amount in grain of speltoid F3-5 hybrides derived from crossing Triticum aestivum L. / T. spelta L.
DOI:
https://doi.org/10.30835/2413-7510.2017.104893Keywords:
spelt, soft wheat, speltoid hybrid, protein, yield capacityAbstract
The aim and tasks of the study. The study objective was to increase the level of breeding work with hexaploid wheat species by increasing the yield capacity, protein content and grain hardness in the fourth-fifth generation hybrids derived from hybridization of T. aestivum L. (variety Kharus) /T. spelta L. (variety Zaria Ukrainy).
Materials and methods. Speltoid lines, which were individually selected from a hybrid population obtained as a result of crossing T. aestivum L. (var. Kharus) and T. spelta L. Lines having long spikes and glumaceous grain were considered speltoid. To assess the grain quality, the protein content was determined according to State Standard of Ukraine 4117: 2007; grain hardness - according to State Standard 10987-76.
Results and discussion. It was established that spelt was a donor of high protein content (up to 25.5%). In terms of protein content, F3-5 hybrids occupied an intermediate position related to parents. Crossing T. aestivum L. / T. spelta L. increased the protein content from 13% to 17.3%; grain hardness - from 69% to 93%.
The protein yield was 590 and 804 kg/ha in soft wheat var. Kharus and in spelt, respectively. Of all the speltoid hybrids, only line 2148/10 exceeded spelt (829 kg/ha).
Conclusions. Hybrid lines 2150/10, 2161/10 and 2158/10 are recommended to use for crossing aimed at increasing the protein content in soft wheat grain. A close correlation (r = 0.89) was established between the protein amount in grain and its hardness in speltoid lines, which makes it possible to evaluate hybrids for protein content by their hardnessReferences
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Copyright (c) 2017 Л. О. Рябовол, М. І. Кисельова, В. В. Любич, И. О. Полянецька, Я. С. Рябовол
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