Comparative analysis of the inheritance of a high development rate in the Rimax and Rico lines of spring bread wheat (Triticum aestivum L.)

Rigin, B. V.; Зуев, Е. В.; Андреева, А. С.; Matvienko, I. I.; Пыженкова, З. С.

doi:10.30901/2227-8834-2021-2-81-88

Cited by 5 publications

(2 citation statements)

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“…lutescens) выделена из F 3 Рико × 'Max' (к-57181, var. lutescens, Германия) Мы исследовали популяцию F 2 (F 3 ) Рико × Римакс в условиях разного фотопериода (Rigin et al, 2021a). Оказалось, что ультраскороспелые линии Римакс и Рико имеют две пары независимо наследующихся дуплицированных генов с одинаковым фенотипическим проявлением, которые локализованы либо в разных хромосомах, либо в одной, но на большом расстоянии.…”

Section: результаты и обсуждениеunclassified

Donors of ultra-earliness for spring common wheat breeding

Rigin

Shreyder²,

Matvienko

et al. 2022

Biotehnologiâ i selekciâ rastenij

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Knowledge of productivity and genetic control of the rate of ultra-early lines development will facilitate their use in breeding of common wheat Tritium aestivum L. for high adaptive capacity. The research focused on ultra-early lines Rico (k-65588), Rimax (k-67257) (progeny of F3 Rico × ‘Max’, k-57181), Fori 1-8 line series (progeny of F4 ‘Photon’ × Rico) and Rifor 1-13 (progeny of F7-8 Rico × ‘Forlani Roberto’), as well as on the accessions ‘Photon’ (k-55696) and ‘Forlani Roberto’ (k-42641). The varieties ‘Leningradskaya 6’ (k-64900) and ‘Leningradskaya 97’ (k-62935) were used as standards in VIR, and ‘Chelyaba 2’ (k-64379) was used in Сhelyabinsk ARI. The alleles of Vrn and Ppd genes were identified by PCR using the published allele-specific primers. Responses to vernalization (30 days at 3°C) and to a short 12-hour day were determined according to the VIR guidelines. The ultra-earliness of common wheat lines is associated with the presence of dominant alleles Vrn-A1, Vrn-B1, Vrn-D1, Ppd-B1, Ppd-D1, and possibly Eps. The shortest emergence-to-heading period at two experimental locations was noted for Rico (39.9 ± 1.49 days), which is 14.8 ± 1.22 days earlier than the development of region-adapted varieties. The Rico genotype contains Vrn-A1, Vrn-B1, Vrn-D1, Ppd-B1 and Ppd-D1. In the Rimax genotype, different alleles of the Ppd-D1 and Vrn-B1 genes were found, possibly being a result of recombination processes in Rico × ‘Max’ hybrids. Under a short photoperiod (12 hours), the Rico and Rimax genes can interact in a cumulative polymeric mode, which is not the case in long-day environments. Unlike other Rifor lines, Rifor 4 and Rifor 5, as well as ‘Forlani Roberto’, have a recessive vrn-A1a allele. However, Rifor 4 and Rifor 5 do not respond to vernalization, while ‘Forlani Roberto’ is responsive to this factor. The absence of response to vernalization in Rifor 4 and Rifor 5 possessing the recessive vrn-A1a allele is possibly provided by a complex of modifier genes along with the dominant Vrn-D1 gene, which was formed during recombination in F7-8 Rico × ‘Forlani Roberto’ hybrids. Recombinants of spring common wheat, combining ultra-earliness and relatively high ear productivity, have been identified. Grain yield per 1 m2 of new ultra-early lines in some years can reach 90% of that of the ‘Leningradskaya 97’. It is expedient to use ultra-early lines as donors of high-rate development in common wheat breeding, considering genetic peculiarities of the source lines.

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Section: результаты и обсуждениеunclassified

Donors of ultra-earliness for spring common wheat breeding

Rigin

Shreyder²,

Matvienko

et al. 2022

Biotehnologiâ i selekciâ rastenij

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“…Большинство исследователеи� утверждают, что скороспелость сорта больше характеризуется продолжительностью межфазного периода «всходы -колошение», чем «колошение -восковая спелость». При изучении коллекции пшеницы ВИР в различных географических точках многие авторы подтверждали высокую положительную корреляционную зависимость между ВС и ВК: для усло-вии� Краснодарского края (Nikiforov, 1976), для Кировскои� области (Novoselova, 1978), Ленинградскои� области (Lyapunova, 1989;Rigin, 2012), Астраханскои� области (Novikov, Shakhmedov, 1994), для Актюбинскои� области Казахстана (Tsygankov, 2011), для Самарскои� области (Vyushkov et al, 2012), для Дагестана (Zuev et al, 2018).…”

Section: Introductionunclassified

Ranking of spring bread wheat genotypes according to the heading date and growing season duration in different ecogeographic environments

Novikova,

Zuev,

Brykova

2024

Trudy po prikladnoy botanike, genetike i selektsii

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Background. Adaptation of spring bread wheat cultivars to climate change requires a study of the factors affecting the length of their growing season in various environments. An attempt is made to analyze regularities in the effect of ecogeographic conditions on the correlations shown by the duration of the growing season and interphase periods in spring bread wheat genotypes.Materials and methods. Correlation coefficients were studied for the impact of the environment and temperature on the duration of the interphase periods from sprouting to heading (SH) and from heading to yellow ripeness (HR) versus the period from sprouting to yellow ripeness (SR) in VIR’s wheat collection across 18 sites located in Russia and Uzbekistan from 41 to 60°N and from 30 to 135°E. The effect of the genotype and year on SH and HR was studied, and agrometeorological regression models of SH and HR were constructed, based on the data obtained during the studies of the collection in St. Petersburg in 1945–2021.Results. For the sites below 52–54°N, the SR/SH correlation coefficient was generally higher than SR/HR, and in the upper latitudes it was vice versa. The change in the ratio of coefficients occurred due to an increase in the interannual variability of HR at lower temperatures. The effect of HR on SR became greater than that of SH at temperatures below 18°С during HR. The data of a long-term study in St. Petersburg demonstrated that the effect of the genotype on SH was 18.9%, with 68.9% of the year, and the effect of the factors on HR was 4.1 and 71.3%, respectively. Regression models showed that HR was determined by temperature for at least 81%, while SH had a lower coefficient of determination by weather (56%).Conclusion. Ranking of wheat genotypes according to their heading time reflected their differentiation in earliness. A significant contribution of HR was conspicuous under temperatures below 18°C after heading at latitudes above 52–54°N.

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Earliness and morphotypes of common wheat cultivars of Western and Eastern Siberia

et al. 2022

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The global and local climate changes determine the producing of highly-adaptive common (bread) wheat commercial cultivars of a new generation whose optimal earliness matches the climatic features of the territory where the cultivars are farmed. Principal component analysis involving our own and published data has been applied to investigate 98 commercial common wheat cultivars from Western and Eastern Siberia comparing their morphotypes; cultivar zoning time; length of the vegetation period; 1000-grain weight, and inheritance of spring growth habit. It demonstrated that the dominant Vrn gene polymorphism determining the spring growth habit of the Siberian cultivars was minimally polymorphic. In 75 % of the tested cultivars, the spring growth habit was controlled by digenic, namely dominant Vrn-A1 and Vrn-B1 genes. In 25 % of them (24 cultivars), spring growth habit is controlled by a single gene. In 19 and 5 of these cultivars spring growth habit is controlled by only one dominant gene, Vrn-B1 or Vrn-A1, respectively. In cv. Tulun 15, a trigenic control was identified. A conclusion about the optimality of the digenic control for the climatic conditions of both Western and Eastern Siberia has been confirmed. However, since none of the tested cultivars had the dominant Vrn-D1 gene typical of the regions of China and Central Asia bordering Siberia, it can be considered as an additional argument in favor of the European origin of Siberian common wheat cultivars. The revealed high frequency of the Vrn-B1c allele in the Western Siberian cultivars and the Vrn-B1a allele in the Eastern Siberian cultivars suggests their selectivity. The analysis also confirmed the dominance of red glume (ferrugineum, milturum) and awned spike (ferrugineum, erythrospermum) varieties in the Eastern Siberian cultivars, and white glume and awnedless spike (lutescens and albidum) ones in the Western Siberian cultivars. Small grain size cultivars are more typical of Eastern than Western Siberia. The retrospective analysis based on the cultivars' zoning time included in the "State Register for Selection Achievements Admitted for Usage" brought us to the conclusion that the earliness/lateness of modern Siberian commercial cultivars was not regionally but rather zonally-associated (taiga, subtaiga, forest-steppe and steppe zones).

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Comparative analysis of the inheritance of a high development rate in the Rimax and Rico lines of spring bread wheat (Triticum aestivum L.)

Cited by 5 publications

References 15 publications

Donors of ultra-earliness for spring common wheat breeding

Donors of ultra-earliness for spring common wheat breeding

Ranking of spring bread wheat genotypes according to the heading date and growing season duration in different ecogeographic environments

Earliness and morphotypes of common wheat cultivars of Western and Eastern Siberia

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