Breeding for Fruit Quality in Tomato

Causse, Mathilde; Stevens, Rebecca; Amor, Besma Ben; Faurobert, Mireille; Muños, Stéphane

doi:10.1002/9780470959350.ch13

Cited by 8 publications

(9 citation statements)

References 214 publications

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“…Although the literature defines cherry and fresh market tomato groups solely by their fruit size [8], the different farmer-selection pressures and modern breeding ideotypes applied in each group has provoked several other differences between them, including some differences regarding consumers' preferences. From a sensory point of view, cherry tomato seems much more close to the consumer's ideotype, and the high variability for chemical composition in this group enables to use sugar and acid content as markers for breeding tastier tomatoes.…”

Section: Discussionmentioning

confidence: 99%

“…The cherry group is characterized by small fruits (<20 g for standard cherry, 20-50 g for cocktail cherry) [8]; Blanca et al [4] suggested that from a genetic perspective this group includes a mixture of the different botanical cultivated species (S. lyc. var cerasiforme, S lyc.…”

Section: Introductionmentioning

confidence: 99%

“…As transferring cherry's quality traits to fresh market or processing tomatoes seems impracticable [8], breeders have focused on exploiting the genetic diversity found in compatible species and within each group. Therefore, it is important to know the variability available within each group and compatible species.…”

Section: Introductionmentioning

confidence: 99%

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Cherry and Fresh Market Tomatoes: Differences in Chemical, Morphological, and Sensory Traits and Their Implications for Consumer Acceptance

et al. 2018

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The tomato commercial groups cherry and fresh market, mainly classified by fruit size, have clearly segregated markets. We aimed to estimate the variation within and between these groups and to analyze factors that impact consumer acceptance. To this end, we studied the chemical profile (dry matter, sugars, acids) and fruit morphology (Tomato Analyzer) of 63 accessions grown in 2 environments (open air/soil culture; greenhouse/soilless culture). To identify traits underlying consumer preferences, we used a trained panel for quantitative descriptive sensory analyses and consumer surveys on a subset of genotypes. Our results confirm the higher content of reducing sugars (fructose, glucose), soluble solids, dry matter, and glutamic acid in the cherry group and the important effects of environment and genotype-by-environment interactions on fruit quality traits. The diversity within cherry for chemical composition is 1.4-fold to 2.1-fold that of fresh market. Differences in fruit morphological traits (weight, shoulder height, height/width relation) were highly related to fruit size, but no differences between groups were found for the internal structure of the fruit (locular relative content). Consumers value sweetness, glutamic acid, titratable acidity, and juiciness in cherry, and sweetness and taste intensity in the fresh market group. The implications for plant breeding are discussed.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Cherry and Fresh Market Tomatoes: Differences in Chemical, Morphological, and Sensory Traits and Their Implications for Consumer Acceptance

et al. 2018

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“…Indeed the weak vascular bundle development in the distal part of the fruit was suggested to promote Ca-related disorders (Ho and White, 2005) although calcium content per se may not be the only cause of BER development (de Freitas et al, 2011). Whereas, the genetic control of fruit shape is well-known (Causse et al, 2011), no gene controlling fruit vasculature development has been reported so far and such interaction between the two traits has been overlooked in genetic programs for quality. Yet, the conducting vessels have been extensively studied in plant tissues, as they are the main route for water and dry matter transport.…”

Section: Discussionmentioning

confidence: 99%

Integrating Physiology and Architecture in Models of Fruit Expansion

et al. 2016

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Architectural properties of a fruit, such as its shape, vascular patterns, and skin morphology, play a significant role in determining the distributions of water, carbohydrates, and nutrients inside the fruit. Understanding the impact of these properties on fruit quality is difficult because they develop over time and are highly dependent on both genetic and environmental controls. We present a 3D functional-structural fruit model that can be used to investigate effects of the principle architectural properties on fruit quality. We use a three step modeling pipeline in the OpenAlea platform: (1) creating a 3D volumetric mesh representation of the internal and external fruit structure, (2) generating a complex network of vasculature that is embedded within this mesh, and (3) integrating aspects of the fruit's function, such as water and dry matter transport, with the fruit's structure. We restrict our approach to the phase where fruit growth is mostly due to cell expansion and the fruit has already differentiated into different tissue types. We show how fruit shape affects vascular patterns and, as a consequence, the distribution of sugar/water in tomato fruit. Furthermore, we show that strong interaction between tomato fruit shape and vessel density induces, independently of size, an important and contrasted gradient of water supply from the pedicel to the blossom end of the fruit. We also demonstrate how skin morphology related to microcracking distribution affects the distribution of water and sugars inside nectarine fruit. Our results show that such a generic model permits detailed studies of various, unexplored architectural features affecting fruit quality development.

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“…Currently, the main challenge is to develop plants not only able to survive stress, but also able to grow under adverse conditions with reasonable biomass production, overcoming the negative correlation between drought resistant traits and productivity, which was often present in previous breeding programs (Chaves, Oliveira, 2004;Causse et al, 2011). For tomato, the MAGIC TOM (the multi-parent advanced generation intercross) population encompasses the highest rate of allelic variability in tomato (Ranc, 2010) and offers a potential source of genetic variation to outline traits useful for stress breeding programs for both cherry tomatoes and tomatoes with long fruits.…”

Section: Introductionmentioning

confidence: 99%

Fruit quality of cherry and large fruited tomato genotypes as influenced by water deficit

Petrović

Savic

Jovanović

et al. 2019

Zemdirbyste-Agriculture

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The aim of the present study was to investigate the effect of long term moderate drought stress on fruit yield and quality of four parents of the MAGIC TOM population and to gain insight into the differences in sensitivity to drought between large fruited and cherry tomatoes. Results showed that long term water deficit had a negative effect on fresh mass and fruit diameter that were more expressed in cherry tomatoes than in large fruited ones. Long term moderate water deficit can improve fruit taste in large fruited tomato genotypes by active metabolic accumulation of soluble sugar and organic acid (sucrose and citric acid), which are also osmotic active compounds. The reduction in fruit growth of cherry tomatoes compared to large fruits could be compensated for by improving fruit nutritional value (ascorbic acid, carotenoids and antioxidant activity) through both concentration and metabolic responses.

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Breeding for Fruit Quality in Tomato

Cited by 8 publications

References 214 publications

Cherry and Fresh Market Tomatoes: Differences in Chemical, Morphological, and Sensory Traits and Their Implications for Consumer Acceptance

Cherry and Fresh Market Tomatoes: Differences in Chemical, Morphological, and Sensory Traits and Their Implications for Consumer Acceptance

Integrating Physiology and Architecture in Models of Fruit Expansion

Fruit quality of cherry and large fruited tomato genotypes as influenced by water deficit

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