The effects of brassinosteroids on photosynthetic parameters in leaves of two field-grown maize inbred lines and their F1 hybrid |
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| Authors: | M. Ko?ová O. Rothová D. Holá M. Kvasnica L. Kohout |
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| Affiliation: | (1) Faculty of Science, Department of Genetics and Microbiology, Charles University in Prague, Viničn? 5, 128 43 Prague, Czech Republic;(2) Institute of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic, v.v.i., Flemingovo sq. 2, 166 10 Prague, Czech Republic; |
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| Abstract: | The effect of foliar spray with 10−12 M aqueous solutions of 24-epibrassinolide or a synthetic androstane analogue of castasterone on the activity of photosystem (PS) 1, the Hill reaction activity, the content of photosynthetic pigments and the specific leaf mass was examined for three different leaves developed after brassinosteroid (BR) treatment in two inbred lines of field-grown maize and their F1 hybrid. The brassinosteroids significantly affected neither the efficiency of photosynthetic electron transport, nor the content of chlorophylls or carotenoids. |
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