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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

Mihaljević, Ines ; Viljevac Vuletić, Marija ; Tomaš, Vesna ; Dugalić, Krunoslav ; Horvat, Daniela ; Josipović, Marko ; Vuković, Dominik Biochemical and physiological responses to drought stress between commercial and old apple cultivars // Book of abstract of 55th Croatian & 15th International Symposium on Agriculture / Mioč B, Širić I (ur.). Zagreb: Grafo-Mark, 2020. str. 275-276

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

Povezanost rada

nije evidentirano