Premium
Are commercial sweet cherry rootstocks adapted to climate change? Short‐term waterlogging and CO 2 effects on sweet cherry cv. ‘Burlat’
Author(s) -
PérezJiménez Margarita,
HernándezMunuera María,
Piñero M. Carmen,
LópezOrtega Gregorio,
Amor Francisco M.
Publication year - 2018
Publication title -
plant, cell and environment
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.646
H-Index - 200
eISSN - 1365-3040
pISSN - 0140-7791
DOI - 10.1111/pce.12920
Subject(s) - rootstock , waterlogging (archaeology) , proline , photosynthesis , cultivar , horticulture , prunus , biology , agronomy , phenology , botany , chemistry , ecology , wetland , biochemistry , amino acid
High CO 2 is able to ameliorate some negative effects due to climate change and intensify others. This study involves the sweet cherry ( Prunus avium ) cultivar ‘Burlat’ grafted on the ‘Mariana 2624’, ‘Adara’ and ‘LC 52’ rootstocks. In a climate chamber at two CO 2 concentrations, ambient (400 µmol mol −1 ) and elevated (800 µmol mol −1 ), the plants were submitted to waterlogging for 7 d, followed by 7 d of recovery after drainage. Waterlogging drastically decreased the rate of photosynthesis, significantly endangering plant survival, particularly for the ‘LC 52’ and ‘Adara’ rootstocks. ‘Mariana 2624’ was also clearly affected by waterlogging that increased lipid peroxidation and the Cl − and SO 4 2− concentrations in all the studied plants. Nevertheless, CO 2 was able to overcome this reduction in photosynthesis, augmenting growth, increasing soluble sugars and starch, raising turgor and regulating the concentrations of Cl − and SO 4 2− , while lowering the NO 3 − concentration in leaves of all the studied rootstocks. In concordance with these results, the proline levels indicated a more intense stress at control CO 2 than at high CO 2 for waterlogged plants. ‘Mariana 2624’ was more resistant to waterlogging than ‘Adara’, and both were more resistant than ‘LC 52’ in control CO 2 conditions; this clearly enhanced the chance of survival under hypoxia.