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izvor podataka: crosbi

Quantitative genetic analysis of chlorophyll a fluorescence parameters in maize in the field environments (CROSBI ID 204123)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Šimić, Domagoj ; Lepeduš, Hrvoje ; Jurković, Vlatka ; Antunović, Jasenka ; Cesar, Vera Quantitative genetic analysis of chlorophyll a fluorescence parameters in maize in the field environments // Journal of integrative plant biology, 56 (2014), 7; 695-708. doi: 10.1111/jipb.12179

Podaci o odgovornosti

Šimić, Domagoj ; Lepeduš, Hrvoje ; Jurković, Vlatka ; Antunović, Jasenka ; Cesar, Vera

engleski

Quantitative genetic analysis of chlorophyll a fluorescence parameters in maize in the field environments

Chlorophyll fluorescence transient from initial to maximum fluorescence (“P” step) throughout two intermediate steps (“J” and “I”) (JIP-test) is considered as reliable early quantitative indicator of stress in plants. The JIP-test is particularly useful for crop plants when applied in variable field environments. The aim of the present study was to conduct a quantitative trait loci (QTL) analysis for nine JIP-test parameters in maize during flowering in four field environments differing in weather conditions. QTL analysis and identification of putative candidate genes might help to explain the genetic relationship between photosynthesis and different field scenarios in maize plants. The JIP-test parameters were analyzed in the intermated B73 ×  Mo17 (IBM) maize population of 205 recombinant inbred lines. A set of 2178 molecular markers across the whole maize genome was used for QTL analysis revealing 10 significant QTLs for seven JIP-test parameters, of which five were co- localized when combined over the four environments indicating polygenic inheritance and pleiotropy. Our results demonstrate that QTL analysis of chlorophyll fluorescence parameters was capable of detecting one pleiotropic locus on the chromosome 7, coinciding with the gene gst23 that may be associated with efficient photosynthesis under different field scenarios.

chlorophyll a fluorescence parameters; field conditions; IBM recombinant inbred lines; JIP-test; maize (Zea mays L.); quantitative trait loci (QTL)

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Podaci o izdanju

56 (7)

2014.

695-708

objavljeno

1672-9072

10.1111/jipb.12179

Povezanost rada

Poljoprivreda (agronomija), Biologija

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