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Type of publication: Straipsnis Clarivate Analytics Web of Science Master Journal List / Article in Clarivate Analytics Web of Science Master Journal List (S2)
Field of Science: Agronomija / Agronomy (A001)
Author(s): Šlapakauskas, Vytautas;Ruzgas, V
Title: Chlorophyll fluorenscence characteristics of different winter wheat varieties (Triticum aestivum L.)
Is part of: Agronomy Research. , 2005, Vol.3, N 2
Extent: p. 203-209
Date: 2005
Keywords: Wheat, winter;Varieties;Characteristics, fluorescence
Abstract: The objective of the study was to estimate the fluorescence level of newly developed winter wheat varieties. It was detected that the minimum (actual) fluorescence yield (Ft) and the maximum fluorescence yield (Fm), measured with every saturation pulse, as well as the quantum yield (Y) and rate of electron transport (ETR) in the illuminated leaves of the winter wheat varieties Ada and Alma were higher than in the control variety Širvinta. The fluorescence parameters of the variety Seda were weaker. Nevertheless, the grain yield of this variety was higher compared with the other varieties. The variety Seda is late ripening and more resistant to leaf diseases. Therefore, at the time of the experiment, the total area available for photosynthesis of the variety Seda was higher compared with the other varieties. The maximum electron transport rate in rapid light curve in the leaves of the wheat varieties Ada and Alma was measured to be 850 μmol m-2s-1 and for the variety Seda 800 μmol m-2s-1 of photosynthetically active radiation. In order to select plant breeding material using the chlorophyll fluorescence method more precisely, it is necessary to group the varieties or breeding lines according to the dates of maturity
Affiliation(s): Vytauto Didžiojo universitetas
Žemės ūkio akademija
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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