Tomato fruit continues growing while ripening, affecting cuticle properties and cracking

Physiologia Plantarum
Eva DomínguezJesús Cuartero

Abstract

Fruit cuticle composition and their mechanical performance have a special role during ripening because internal pressure is no longer sustained by the degraded cell walls of the pericarp but is directly transmitted to epidermis and cuticle which could eventually crack. We have studied fruit growth, cuticle modifications and its biomechanics, and fruit cracking in tomato; tomato has been considered a model system for studying fleshy fruit growth and ripening. Tomato fruit cracking is a major disorder that causes severe economic losses and, in cherry tomato, crack appearance is limited to the ripening process. As environmental conditions play a crucial role in fruit growing, ripening and cracking, we grow two cherry tomato cultivars in four conditions of radiation and relative humidity (RH). High RH and low radiation decreased the amount of cuticle and cuticle components accumulated. No effect of RH in cuticle biomechanics was detected. However, cracked fruits had a significantly less deformable (lower maximum strain) cuticle than non-cracked fruits. A significant and continuous fruit growth from mature green to overripe has been detected with special displacement sensors. This growth rate varied among genotypes, with cracking-se...Continue Reading

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Citations

Apr 12, 2016·Frontiers in Plant Science·Victoria FernándezLuis Gil
Nov 15, 2017·Journal of Experimental Botany·Eva DomínguezAntonio Heredia
Oct 11, 2017·Journal of Experimental Botany·Gwyneth Ingram, Christiane Nawrath
Oct 11, 2017·Journal of Experimental Botany·José A Heredia-GuerreroJosé J Benítez
Apr 11, 2019·International Journal of Food Sciences and Nutrition·Sanja VlaisavljevićRosa María Lamuela Raventós
Oct 17, 2017·Journal of Experimental Botany·Johann PetitChristophe Rothan
Jun 28, 2019·Frontiers in Plant Science·Isabel LaraEva Domínguez
May 22, 2019·Frontiers in Plant Science·Priyanka TrivediKatja Karppinen
Nov 16, 2016·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Sigal Popovsky-SaridIlan Paran
Aug 4, 2019·International Journal of Environmental Research and Public Health·Liliana Alfaro-SifuentesJuan Luis Valenzuela
Sep 29, 2019·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Xiaona YuYong Pyo Lim
Jan 2, 2021·Horticulture Research·Emma N ShipmanDiane M Beckles
Dec 9, 2020·Photochemical & Photobiological Sciences : Official Journal of the European Photochemistry Association and the European Society for Photobiology·Keiji KonagayaNaoshi Kondo
Nov 9, 2021·Frontiers in Plant Science·Yadi GaoJiasheng Wu

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