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Physiological effects and transport of 24-epibrassinolide in heat-stressed barley
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SYSNO ASEP 0368590 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Physiological effects and transport of 24-epibrassinolide in heat-stressed barley Author(s) Janeczko, A. (PL)
Oklešťková, Jana (UEB-Q) RID, ORCID, SAI
Pociecha, E. (PL)
Koscielniak, J. (PL)
Mirek, M. (PL)Number of authors 5 Source Title Acta Physiologiae Plantarum. - : Springer - ISSN 0137-5881
Roč. 33, č. 4 (2011), s. 1249-1259Number of pages 11 s. Language eng - English Country PL - Poland Keywords Brassinosteroid transport ; Dark respiration ; Hordeum vulgare L ; PSII efficiency ; Metabolic activity Subject RIV EF - Botanics R&D Projects IAA400550801 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR) GA301/08/1649 GA ČR - Czech Science Foundation (CSF) CEZ AV0Z50380511 - UEB-Q (2005-2011) UT WOS 000291600200020 DOI 10.1007/s11738-010-0655-y Annotation This paper presents a study of the metabolic response (dark respiration intensity, photosystem II efficiency, metabolic activity) and the yield of barley treated with 24-epibrassinolide and subjected to high-temperature stress. Transport of exogenously applied 24-epibrassinolide in barley and changes in the profile of brassinosteroids that may occur in tissues after 24-epibrassinolide application were also studied. The water solution of 24-epibrassinolide (0.005 and 0.25 mg dm(-3)) was applied via infiltration of the first and second leaves of 12-day-old seedlings. Control plants were treated with water solution of hormone solvent (ethanol). Fifteen-day-old plants were subjected to high-temperature stress (42A degrees C for 3 h). The influence of hormone treatment and stress conditions was investigated in the first and second leaves based on measurements of PSII efficiency. Workplace Institute of Experimental Botany Contact David Klier, knihovna@ueb.cas.cz, Tel.: 220 390 469 Year of Publishing 2012
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