ovoshchiОвощи РоссииVegetable crops of Russia2072-91462618-7132Федеральный научный центр овощеводства10.18619/2072-9146-2009-3-29-32ovoshchi-1491Research ArticleСОВРЕМЕННЫЕ НАПРАВЛЕНИЯ В СЕЛЕКЦИИ ОВОЩНЫХ КУЛЬТУРADVANCED TECHNOLOGIES FOR VEGETABLE BREEDINGОтбор и наследование толерантности к осмотическому стрессу у быстрорастущих растений Brassica rapa LInheritance features and selection of actively growing Brassica rapa L. plants to be tolerant of osmotic stressИгнатовА.Н.IgnatovA.N.ignatov@biengi.ac.ru; an.ignatov@gmail.comПивоваровВ.Ф.PivovarovV.F.noemail@neicon.ruТарееваМ.М.TareevaM.M.noemail@neicon.ruМухортовБ.Ю.MukhortovV.U.noemail@neicon.ruЦентр «Биоинженерия» РАНРоссияAll-Russian Research Institute of Vegetable Breeding and Seed Production, RAASRussian FederationГНУ «Всероссийский НИИ селекции и семеноводства овощных культур» РоссельхозакадемииРоссияAll-Russian Research Institute of Vegetable Breeding and Seed Production, RAASRussian Federation200930092009032932Copyright © Игнатов .А., Пивоваров .В., Тареева .М., Мухортов .Б., 20092009Игнатов .А., Пивоваров .В., Тареева .М., Мухортов .Б.Игнатов .А., Пивоваров .В., Тареева .М., Мухортов .Б.This work is licensed under a Creative Commons Attribution 4.0 License.https://www.vegetables.su/jour/article/view/1491

Рост растений и получение высокоурожайной продукции во многих районах земли ограничивается биотическими и абиотическими стрессовыми факторами. Водный стресс может приводить к повышению содержания растворимых веществ, обладающих высоким осмотическим потенциалом. Адаптация растений к условиям высокого осмотического давления при недостатке воды в почве может происходить двумя путями: естественной адаптацией растений к новым изменяющимся условиям или же путем изменения генотипов популяции при селекции. Разработку ускоренного теста на засухоустойчивость проводили путем изучения влияния высокого осмотического давления, создаваемого раствором полиэтиленгликоля (ПЭГ) с молекулярной массой 8000 Да в разных концентрациях на прорастающие семена быстрорастущего генотипа Brassica rapa L.

Plant cultivation that should be characterized by proper yield abilities is often limited in different arable lands for the reason of abiotic and biotic stress factors. Drought stress in plants causes the high content of soluble substances that have a high osmotic potential. The plant adaptation to the high osmotic pressure in drought condition may occur either by natural adaptation to changed environment or genotype population ability under selective breeding. To implement a quick test on drought tolerance, the influence of high osmotic pressure caused by the polyethilengly-col (P.E.G.) solution of different concentrations with molecular weight 8000Da on germinating seeds of Brassica rapa L. was studied.

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The authors declare that there are no conflicts of interest present.