Biochemical and physiological responses to drought stress between commercial and old apple cultivars (CROSBI ID 688535)
Prilog sa skupa u zborniku | sažetak izlaganja sa skupa | međunarodna recenzija
Podaci o odgovornosti
Mihaljević, Ines ; Viljevac Vuletić, Marija ; Tomaš, Vesna ; Dugalić, Krunoslav ; Horvat, Daniela ; Josipović, Marko ; Vuković, Dominik
engleski
Biochemical and physiological responses to drought stress between commercial and old apple cultivars
Drought stress is one of the most important abiotic factors which negatively affects on many metabolic processes in plants and yield. It is very important the ability of tolerant plants to defend against oxidative stress as part of drought stress. In this study the biochemical and physiological responses of three apple cultivars ('Golden Delicious Reinders' as commercial cultivar and 'Crvenka' and 'Dugara' as old cultivars) under drought stress were evaluated. Selected cultivars were grown in the greenhouse, in pots, filled with soil. Oxidative stress responses were compared in leaf samples of experimental plants (without irrigation) and control plants for 12 days. Proline, hydrogen peroxide (H2O2) content, malondialdehyde (MDA), phenolic content, photosynthetic performance (PIabs), maximum quantum yield of PS II (Fv/Fm), chlorophyll and dry matter (DW) content were determined. After 12 days of experiment the 'Golden Delicious Reinders' showed the highest decrease of PIABS (1.95), Fv/Fm (0.77) and chlorophyll content (4.25 mg/g FW). Also, it showed the highest proline (1.69 µmol/g FW), peroxide (5.64 µmol/g FW), phenols (25.88 mg GAE/g FW), dry matter (47.70 %) content and highest level of lipid peroxidation rate (15.19 nmol/g FW) compared to 'Crvenka' and 'Dugara'. Thus, it can be concluded that old cultivars 'Crvenka' and 'Dugara' have better adaptability to drought than 'Golden Delicious Reinders' cultivar.
drought, apple, photosystem II, MDA, proline, peroxide
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Podaci o prilogu
275-276.
2020.
objavljeno
Podaci o matičnoj publikaciji
Book of abstract of 55th Croatian & 15th International Symposium on Agriculture
Mioč B, Širić I
Zagreb: Grafo-Mark
Podaci o skupu
55. hrvatski i 15. međunarodni simpozij agronoma
predavanje
16.02.2020-21.02.2020
Vodice, Hrvatska