Rootstocks can enhance tomato growth and quality characteristics at low potassium supply

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dc.contributor.authorSchwarz, Dietmar
dc.contributor.authorOztekin, Golgen Bahar
dc.contributor.authorTuzel, Yuksel
dc.contributor.authorBrueckner, Bernhard
dc.contributor.authorKrumbein, Angelika
dc.date.accessioned2019-10-27T21:42:09Z
dc.date.available2019-10-27T21:42:09Z
dc.date.issued2013
dc.departmentEge Üniversitesien_US
dc.description.abstractGrafting is nowadays regarded as a rapid tool aimed at increasing environmental stress tolerance of fruit vegetables. In cultivation systems oversupply of cations, saline or drought conditions and the type of the growing system can easily cause potassium (le) deficiency and thus, lead to a damage of physiological processes. The hypothesis was raised that rootstocks alleviate stress symptoms of tomato at moderate deficient K supply (4 mM) compared with regular (8 mM) in the nutrient solution. Moreover, the long-term response of grafted plants ('Classy', 'Piccolino') was studied to quantify the effectiveness of rootstocks ('Maxifort' and 'Brigeor') in mitigating K+ stress particularly on tomato yield and fruit quality attributes, such as appearance, firmness, taste and health promoting compounds. K+ deficiency resulted in a reduction of root growth, yield, fruit appearance, and carotenoids. On the other hand, firmness and concentration on single and total fruit sugars increased. In most of the characteristics negatively affected by low K+ supply, grafting was able to alleviate these effects. Thus, rootstocks improved root growth and morphology, yield, concentration of carotenoids and also titratable acids in fruits especially at low ICE supply. The portion of blossom end rot was reduced. However, the alleviation depended on the rootstock scion combination. Possible reasons of the rootstock effects were discussed, such as change in dry matter partitioning in favour of the fruits, improved Ca2+ availability and transport, increased photosynthesis and associated relationship between sugar and synthesis of ascorbic acid and carotenoids. (C) 2012 Elsevier B.V. All rights reserved.en_US
dc.description.sponsorshipMinistries of Agriculture, Food, and Consumer Protection of the Federal Republic of Germanyen_US
dc.description.sponsorshipThe Ministries of Agriculture, Food, and Consumer Protection of the Federal Republic of Germany supported the study. The excellent technical assistance of Gundula Aust, Andrea Maikath, and Andrea Jankowsky is appreciated as well.en_US
dc.identifier.doi10.1016/j.scienta.2012.06.013
dc.identifier.endpage79en_US
dc.identifier.issn0304-4238
dc.identifier.issn1879-1018
dc.identifier.issn0304-4238en_US
dc.identifier.issn1879-1018en_US
dc.identifier.scopusqualityN/Aen_US
dc.identifier.startpage70en_US
dc.identifier.urihttps://doi.org/10.1016/j.scienta.2012.06.013
dc.identifier.urihttps://hdl.handle.net/11454/46830
dc.identifier.volume149en_US
dc.identifier.wosWOS:000314431500012en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherElsevier Science Bven_US
dc.relation.ispartofScientia Horticulturaeen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectAscorbic aciden_US
dc.subjectCarotenoidsen_US
dc.subjectFirmnessen_US
dc.subjectGraftingen_US
dc.subjectPotassium deficiencyen_US
dc.subjectSolanum lycopersicumen_US
dc.subjectStressen_US
dc.subjectTaste.compoundsen_US
dc.subjectYielden_US
dc.titleRootstocks can enhance tomato growth and quality characteristics at low potassium supplyen_US
dc.typeArticleen_US

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