Chlorophyll a fluorescence parameters in the evaluation of oat DH lines yield components

A. Noga; M. Warchoł; I. Czyczyło-Mysza; I. Marcińska; K. Dziurka; T. Warzecha; E. Skrzypek

doi:10.1556/0806.45.2017.032

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Cereal Research Communications

Volume/Issue:: Volume 45: Issue 4

Chlorophyll a fluorescence parameters in the evaluation of oat DH lines yield components

Authors:

A. Noga

A. Noga Polish Academy of Sciences, Niezapominajek 21, 30-239 Kraków, Poland

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M. Warchoł

M. Warchoł Polish Academy of Sciences, Niezapominajek 21, 30-239 Kraków, Poland

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I. Czyczyło-Mysza

I. Czyczyło-Mysza Polish Academy of Sciences, Niezapominajek 21, 30-239 Kraków, Poland

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I. Marcińska

I. Marcińska Polish Academy of Sciences, Niezapominajek 21, 30-239 Kraków, Poland

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K. Dziurka

K. Dziurka Polish Academy of Sciences, Niezapominajek 21, 30-239 Kraków, Poland

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T. Warzecha

T. Warzecha University of Agriculture in Krakow, Łobzowska 24, 31-140 Kraków, Poland

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E. Skrzypek

E. Skrzypek Polish Academy of Sciences, Niezapominajek 21, 30-239 Kraków, Poland

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Pages:: 665–674

Online Publication Date:: Dec 2017

Publication Date:: 01 Dec 2017

Article Category:: Research Article

DOI:: https://doi.org/10.1556/0806.45.2017.032

Keywords:: Avena sativa L.; DH lines; chlorophyll a fluorescence; yield; principal component analysis

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Chlorophyll a fluorescence can provide insight into the ability of plants to tolerate environmental conditions that can damage photosynthetic apparatus and decrease yield. The aim of the study was to determine the relationship between chlorophyll a fluorescence parameters and yield components of oat DH lines. All DH lines significantly differed in chlorophyll a fluorescence parameters and yield components. The overall performance index of PSII photochemistry (PI), showed the highest variation between DH lines, whereas the lowest had the ratio of variable to maximum fluorescence (F_v/F_m). The highest differences were observed in the number of grains per plant (21.3 to 600). Thousand-grain weight varied from 17.82 g to 41.01 g and the biomass from 8.01 g to 29.31 g. The highest negative correlations were found between F_v/F_m, Area (pool size of electron acceptors from PSII), PI and grain number per plant and biomass. Positive correlations were observed between light energy absorption (ABS/CS), grain number per plant and biomass, as well as the amount of excitation energy trapped in PSII reaction centers (TR_o/CS) and biomass. Principal component analysis of chlorophyll a fluorescence parameters, together with yield components, discriminated two oat DH lines groups according to their photosynthetic efficiency and yield.

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Cereal Research Communications A Quarterly of the Cereal Research Non-Profit Ltd. Company

Print ISSN:: 0133-3720

Online ISSN:: 1788-9170

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Cereal Research Communications
Language	English
Size	A4
Year of Foundation	1973
Volumes per Year	1
Issues per Year	4
Founder	Akadémiai Kiadó
Founder's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245
Publisher	Akadémiai Kiadó Springer Nature Switzerland AG
Publisher's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245. CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible Publisher	Chief Executive Officer, Akadémiai Kiadó
ISSN	0133-3720 (Print)
ISSN	1788-9170 (Online)