Please use this identifier to cite or link to this item:https://hdl.handle.net/20.500.12259/83075
Type of publication: Straipsnis Clarivate Analytics Web of Science ar/ir Scopus / Article in Clarivate Analytics Web of Science or / and Scopus (S1)
Field of Science: Agronomija / Agronomy (A001)
Author(s): Burbulis, Natalija;Jonytienė, Vaida;Kuprienė, Ramunė;Blinstrubienė, Aušra;Liakas, Vytautas
Title: Effect of abscisic acid on cold tolerance in Brassica napus shoots cultured in vitro
Is part of: Journal of Food, Agriculture & Environment. Helsinki : WFL Publisher., 2010, Vol. 8, No. 3-4
Extent: p. 698-701
Date: 2010
Keywords: Abscisic acid;Brassica napus;Cold acclimation;Cold tolerance;Membrane injury;Proline;Soluble sugars
Abstract: Freezing periods cause considerable yield decreases in crops and produce severe damage in wild plant species, limiting the distribution and growth of plants. One of the most important agronomic traits in winter rapeseed (Brassica napus L.) is winter-hardiness or freezing tolerance, which can be enhanced by cold acclimation. Abscisic acid (ABA) has been implicated as a regulatory factor in plant cold acclimation. Investigations were carried out in the laboratory of Agrobiotechnology of Lithuanian University of Agriculture. Changes in proline and soluble sugars levels in response to cold acclimation and exogenous abscisic acid were monitored in vitro in winter rapeseed shoots. Shoots of variety Sunday were acclimated at 4°C for 7, 14 and 21 days. Exogenous ABA caused significant increase in proline and soluble sugars contents. The membrane injury for leaf discs under freezing stress was estimated by the electrolyte leakage test. The degree of cold tolerance of the shoots from the different treatments was substantially increased with increasing acclimation duration. The addition of exogenous ABA to the culture medium significantly decreased electrolyte leakage, however, ABA alone was less effective than the combination of ABA and low (acclimation) temperature
Internet: http://www.world-food.net/scientficjournal/2010/issue3/pdf/agriculture/75.pdf
Affiliation(s): Vytauto Didžiojo universitetas
Žemės ūkio akademija
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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