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Repeated measures analysis of changes in photosynthetic efficiency in sour cherry during water deficit (CROSBI ID 185209)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Viljevac, Marija ; Dugalić, Krunoslav ; Lepeduš, Hrvoje ; Mihaljević, Ines ; Jurković, Zorica ; Sudar, Rezica ; Cesar, Vera ; Šimić, Domagoj Repeated measures analysis of changes in photosynthetic efficiency in sour cherry during water deficit // Poljoprivreda (Osijek), 18 (2012), 1; 36-40

Podaci o odgovornosti

Viljevac, Marija ; Dugalić, Krunoslav ; Lepeduš, Hrvoje ; Mihaljević, Ines ; Jurković, Zorica ; Sudar, Rezica ; Cesar, Vera ; Šimić, Domagoj

engleski

Repeated measures analysis of changes in photosynthetic efficiency in sour cherry during water deficit

Repeated measures ANOVA should be used in the physiological studies when dynamics of a process is to be examined on the same subjects. The objective of this study was to investigate changes in photosynthetic efficiency applying repeated measures ANOVA using the photosynthetic performance index (PIABS) of the JIP-test as a vitality parameter in seven genotypes of sour cherry (Prunus cerasus, L.) during 10 days of continuous water deficit. Both univariate and multivariate repeated measures ANOVAs revealed highly significant within-subject effect Time (Days) and its subsequent interactions with genotype and water deficit. However, the multivariate Pillai's trace test detected the interaction Time × Genotype × Water deficit as not significant. According to the Tukey’s Studentized Range (HSD) test, differences between the control and genotypes exposed to water stress became significant on the fourth day of the experiment, indicating that the plants, in average, began to lose their photosynthetic efficiency four days after imposition of water shortage. It corroborates previous findings in other species that PIABS is very sensitive tool for detecting drought stress.

water deficit; JIP test; repeated measures ANOVA; sour cherry

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Podaci o izdanju

18 (1)

2012.

36-40

objavljeno

1330-7142

Povezanost rada

Poljoprivreda (agronomija), Biologija

Poveznice
Indeksiranost