Ecological geneticsEcological geneticsЭкологическая генетика1811-09322411-9202Eco-Vector550010.17816/ecogen1033-9ArticlesСтатьиResearch ArticleIMPACT OF PARENTS GENETIC DIVERGENCE ON HETEROSIS OF F1-HYBRIDS OF SPRING TRITICALEВлияние степени генетической дивергенции родителей на уровень гетерозиса гибридов F1 яровой тритикалеOrlovskayaOlga AОрловскаяОльга АлександровнаO.Orlovskaya@igc.bas-net.byKorenLidia VКореньЛидия ВасильевнаL.Koren@igc.bas-net.byKhotylevaLubov VХотылеваЛюбовь ВладимировнаL.Khotyleva@igc.bas-net.byInstitute of Genetics and Cytology of the NASB, Minsk, Republic of BelarusИнститут генетики и цитологии НАНБ, Минск, Республика БеларусьInstitute of Genetics and Cytology of the NASB, Minsk, Republic of BelarusИнститут биофизики и клеточной инженерии НАНБ, Минск, Республика Беларусь15092012103VOL 10, NO3 (2012)ТОМ 10, №3 (2012)3914112016Copyright ©; 2012, Orlovskaya O.A., Koren L.V., Khotyleva L.V.Copyright ©; 2012, Орловская О.А., Корень Л.В., Хотылева Л.В.2012Orlovskaya O.A., Koren L.V., Khotyleva L.V.Орловская О.А., Корень Л.В., Хотылева Л.В.http://creativecommons.org/licenses/by/4.0https://journals.eco-vector.com/ecolgenet/article/view/5500

Molecular heterogeneity was studied in 20 spring triticale accessions by using ISSR- and RAPD-markers, which allowed the studied material to be grouped according to the degree of genetic relationship and to choose genetically distant parental pairs for crosses to obtain heterotic hybrids. Expression of heterosis of F1 triticale hybrids was studied. Evaluation of the degree of parents genetic divergence on the heterosis level of F1-hybrids revealed that increase of genetic distance values between parental components leads to higher probability of obtaining heterotic hybrids.

Проведено изучение ДНК полиморфизма 20 образцовяровой тритикале на основеISSR- и RAPD-маркеров, что дало возможность сгруппировать изученный материал по степени генетического родства и подобрать генетически дивергентные родительские пары для скрещиваний с целью создания гибридов с высоким эффектом гетерозиса. Изучено проявление гетерозиса у полученных F1-гибридов тритикале.Оценка влияния степени генетической дивергенции родителей на уровень гетерозиса F1-гибридов выявила, что вероятность получения гетерозисных гибридов возрастает с увеличением значений генетических дистанций между родительскими компонентами.

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