The simultaneous effect of water stress and biofertilizer on physiology and quality of processing tomato

Helyes, Lájos; Tuấn, Lê Anh; Bakr, J.; Pék, Zoltán

doi:10.17660/actahortic.2019.1233.9

Cited by 4 publications

(3 citation statements)

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“…Mycorrhiza treatment applied at sowing and planting during two consecutive seasons determined an increase of vitamin C content under dry conditions and a decrease under wet conditions (Nemeskéri et al, 2019). Helyes et al (2019) focused on the simultaneous effect of three water supply regimes and treatments with different concentrations of the bio-fertilizer Phylazonit on the physiology and quality of the processing tomato cultivar Uno Rosso. The authors revealed highly significant effects of water supply regimes and bio-fertilization on the content of AsA that increased from 221.8 to 369.1 μg/g fw.…”

Section: Vitamin C In Tomato and Watermelon Fruitsmentioning

confidence: 99%

Inside and Beyond Color: Comparative Overview of Functional Quality of Tomato and Watermelon Fruits

et al. 2019

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The quali-quantitative evaluation and the improvement of the levels of plant bioactive secondary metabolites are increasingly gaining consideration by growers, breeders and processors, particularly in those fruits and vegetables that, due to their supposed health promoting properties, are considered “functional.” Worldwide, tomato and watermelon are among the main grown and consumed crops and represent important sources not only of dietary lycopene but also of other health beneficial bioactives. Tomato and watermelon synthesize and store lycopene as their major ripe fruit carotenoid responsible of their typical red color at full maturity. It is also the precursor of some characteristic aroma volatiles in both fruits playing, thus, an important visual and olfactory impact in consumer choice. While sharing the same main pigment, tomato and watermelon fruits show substantial biochemical and physiological differences during ripening. Tomato is climacteric while watermelon is non-climacteric; unripe tomato fruit is green, mainly contributed by chlorophylls and xanthophylls, while young watermelon fruit mesocarp is white and contains only traces of carotenoids. Various studies comparatively evaluated in vivo pigment development in ripening tomato and watermelon fruits. However, in most cases, other classes of compounds have not been considered. We believe this knowledge is fundamental for targeted breeding aimed at improving the functional quality of elite cultivars. Hence, in this paper, we critically review the recent understanding underlying the biosynthesis, accumulation and regulation of different bioactive compounds (carotenoids, phenolics, aroma volatiles, and vitamin C) during tomato and watermelon fruit ripening. We also highlight some concerns about possible harmful effects of excessive uptake of bioactive compound on human health. We found that a complex interweaving of anabolic, catabolic and recycling reactions, finely regulated at multiple levels and with temporal and spatial precision, ensures a certain homeostasis in the concentrations of carotenoids, phenolics, aroma volatiles and Vitamin C within the fruit tissues. Nevertheless, several exogenous factors including light and temperature conditions, pathogen attack, as well as pre- and post-harvest manipulations can drive their amounts far away from homeostasis. These adaptive responses allow crops to better cope with abiotic and biotic stresses but may severely affect the supposed functional quality of fruits.

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Section: Vitamin C In Tomato and Watermelon Fruitsmentioning

confidence: 99%

Inside and Beyond Color: Comparative Overview of Functional Quality of Tomato and Watermelon Fruits

et al. 2019

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“…This can be supported from the data on stomatal conductance, which was substantially lower in RF4A, suggesting that it has better mechanisms to save water through stomatal regulation, which was then utilised for more extended periods during severe water stress conditions to accumulate more biomass (Figure 1 and Table 3). A similar water conservation strategy to avoid drought tolerance in tomato plants was observed when S. habrochaites introgressed line 'LA3957' As PSII is highly sensitive to drought and its efficiency, as indicated by maximum quantum yield (F v /F m ), it provides a hint about the health of the photosynthesis system under abiotic stresses such as soil moisture deficit [53,54]. Better tissue water levels facilitated by the efficient water uptake by roots of wild species have been attributed to relatively higher photosystem II efficiency under water stress conditions in S. pennellii [50] and S. pimpinellifolium [55].…”

Section: Discussionmentioning

confidence: 94%

Application of Phenomics to Elucidate the Influence of Rootstocks on Drought Response of Tomato

et al. 2022

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The cultivation of nutritionally and economically important crops like tomato are often threatened by dry spells due to drought as these crops largely depend on an assured water supply. The magnitude and intensity of drought is predicted to intensify under climate change scenarios, particularly in semi-arid regions, where water is already a scarce resource. Hence, it is imperative to devise strategies to mitigate the adverse effects of drought on tomato through improvement in the plant’s efficiency to utilise the moisture in the growth medium. Since the root is the entry point for water, its intrinsic structure and functions play a crucial role in maintaining the soil–water–plant continuum during moisture deficit at the rhizosphere. Grafting offers a great opportunity to replace the root system of the cultivated tomato plants with that of wild species and hence provide a rapid solution to modulate root system architecture in contrast to the time-consuming conventional breeding approach. However, the success in developing the best graft combination of cultivated tomato and rootstock depends on the source of rootstock and selection methods. In this study, we used a high throughput phenomics facility to assess the efficiency of tomato, grafted on the rootstocks of different genetic backgrounds, at different levels of moisture in the soil. Rootstocks included tomato cultivars and the hybrids, derived from the crosses involving wild relatives, as donor parents. Among the rootstocks, an interspecific (Solanum lycopersicum × S. pennellii) derivative RF4A was highly efficient in terms of productive use of water. The RF4A rootstock-grafted plants were more conservative in water use with higher plant water status through relatively better stomatal regulation and hence were more efficient in generating greater biomass under water stress conditions. These plants could maintain a higher level of PSII efficiency, signifying better photosynthetic efficiency even under water stress. The distinct response of interspecific rootstock, RF4A, to water stress can be ascribed to the effective root system acquired from a wild parent (S. pennellii), and hence efficient water uptake. Overall, we demonstrated the efficient use of a phenomics platform and developed a protocol to identify promising rootstock–scion combinations of tomato for optimization of water use.

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Section: Fruit Concentration Distribution and Regulationmentioning

confidence: 99%

Bioactive Compounds Biosynthesis and Metabolism in Fruit and Vegetables

Ferrante¹,

Manganaris²,

Pintado³

et al. 2020

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The simultaneous effect of water stress and biofertilizer on physiology and quality of processing tomato

Cited by 4 publications

References 38 publications

Inside and Beyond Color: Comparative Overview of Functional Quality of Tomato and Watermelon Fruits

Inside and Beyond Color: Comparative Overview of Functional Quality of Tomato and Watermelon Fruits

Application of Phenomics to Elucidate the Influence of Rootstocks on Drought Response of Tomato

Bioactive Compounds Biosynthesis and Metabolism in Fruit and Vegetables

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