High vapour pressure deficit influences growth, transpiration and quality of tomato fruits

Leonardi, C.; Guichard, S.; Bertin, Nadia

doi:10.1016/s0304-4238(99)00127-2

Cited by 117 publications

(82 citation statements)

References 23 publications

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“…Biomass distribution is a good predictor that indicates the most growth-limiting resource (Sellin These results indicated that LVPD alleviated the water deficit in plants that was induced by WS. Inhibition of transpiration rates was previously reported under WS or LVPD (Leonardi et al 2000. This was also confirmed in this study.…”

Section: Discussionsupporting

confidence: 93%

“…Tomato (Solanum lycopersicum L.) is one of the most economically important vegetable. Much work has been done on the effects of air humidity and soil moisture on tomato growth and physiology (Leonardi et al 2000, Lu et al 2015; however, their interactive effects are not well known. Therefore, to improve our understanding of plant responses to atmospheric humidity and soil moisture, the present study was performed in controlled environment to investigate plant water status, photosynthesis, growth and stomatal characteristics.…”

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confidence: 99%

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Effects of atmospheric and soil water status on photosynthesis and growth in tomato

Du¹,

Zhang²,

Jiao³

et al. 2018

PLANT SOIL ENVIRON

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The responses of tomato seedlings to different vapour pressure deficit (VPD) under low soil moisture were studied. Plants were grown in greenhouses with low and high VPD, under both well-watered and water stress conditions. Low VPD was effectively maintained below 1.5 kPa with a micro-fog system. Under well-watered conditions, low VPD resulted in reduced transpiration, but this did not affect plant water status or growth. Water stress induced leaf dehydration and inhibition of growth, but the adverse effects were significantly alleviated by a decrease in VPD. Under water stress, no difference in transpiration was observed between plants with or without the VPD regulation, but the whole-plant hydraulic conductance was higher under low VPD. Low VPD increased stomatal conductance in drought-stressed plants because it promoted stomatal development and increased stomatal aperture. Thus, stomatal limitation to photosynthesis was reduced by low VPD under water stress. The reduction in plant growth induced by water stress was moderated by low VPD, partially due to higher photosynthetic rate. These results suggest that decreasing VPD improves plant water status, which ultimately enhances photosynthesis and growth under water stress.

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Section: Discussionsupporting

confidence: 93%

mentioning

confidence: 99%

Effects of atmospheric and soil water status on photosynthesis and growth in tomato

Du¹,

Zhang²,

Jiao³

et al. 2018

PLANT SOIL ENVIRON

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“…In addition, Javanmardi and Kubota (2006) reported that higher rate of transpiration in tomato fruits stored at higher temperature in comparison to lower temperature-stored tomatoes could be the main cause for higher weight loss. Moreover, high temperature increases difference in the vapor pressure between the fruit and its surroundings (Leonardi et al, 2000). This difference could be one of the driving factors that induce faster moisture transfer from the tomato fruit to the surrounding air.…”

Section: Resultsmentioning

confidence: 99%

Degradation and Formation of Fruit Color in Tomato (Solanum lycopersicum L.) in Response to Storage Temperature

Tadesse¹,

Ibrahim²,

Abtew³

2015

American J. of Food Technology

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Temperature is the most important environmental factor in the post-harvest life of tomato fruit because it has a tremendous influence on the rate of biological processes, including development of red color and softening of tomato fruit. The objective of this study was to investigate the effect of different storage temperatures on degradation and synthesis of tomato fruit color. The experiment was carried out in the laboratory of post-harvest physiology at Jimma University using CRD arrangement of treatments replicated three times. The experiment had three treatments: tomato fruits stored at 4, 20 and 30°C. The result showed that storage at 4°C significantly (p<0.05) inhibited weight loss, softening and enhancement of lycopene of the fruits during storage compared to 20 and 30°C. Tomato fruits stored at 20 and 30°C showed significant increase in chroma, color index, lycopene, β-carotene, chlorophyll degradation and weight and firmness loss. Also, the rate of reduction in hue angle of fruits stored at 20 and 30°C was low compared to that of the fruits stored at 4°C. Total soluble solids parameter was not affected either by high temperature or low temperature storage. Titratable acid of tomato fruits stored at 4°C had significantly (p<0.05) higher value (0.40%) than fruits stored at 20 and 30°C. The shelf life of the fruits significantly (p<0.05) increased with decreasing storage temperature. The result can serve as a bench mark to warm and humid tropical areas like Jimma in which atmospheric temperature mostly approaches to 30°C.

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“…Postharvest physiological, chemical, biochemical and microbiological qualities of tomatoes partly depend upon preharvest factors such as genetic, climatic, biotic, edaphic, chemical, and hormonal factors, as well as combinations of these (Leonardi et al 2000). Five major classes of plant hormones are generally recognised: auxin, gibberellin, cytokinin, abscisic acid and ethylene gas (Davies 1995), which may change the rate of biological and biochemical changes in fruits.…”

Section: Introductionmentioning

confidence: 99%

Effects of preharvest treatment, disinfections, packaging and storage environment on quality of tomato

2011

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The major objective of this study was to explore the significance of an integrated agro technology in maintenance of postharvest quality of tomato. Preharvest ComCat® treated tomatoes and untreated controls were evaluated for changes in physiological, chemical, and microbiological quality during storage at 13°C and room temperature (16.9-25.2°C) and a relative humidity of 34-76%. Effects of disinfection coupled with packaging were evaluated. Physiological weight loss, total soluble solids, peroxidase activity and marketability were maintained better in anolyte disinfected tomatoes. At harvest, ComCat® treated tomatoes had lower pH, glucose and microbial populations, and higher total soluble solids, total titratable acids, sucrose, peroxidase activity than controls. The total soluble solids were better retained in ComCat® treated tomatoes than in control, while the sucrose and glucose contents remained lower after ripening. Peroxidase activities were lower in ripening ComCat® treated tomatoes, and difference in polygalactronase activity was only visible after 30 days. The microbial populations were lower in ComCat® treated fruit. Marketability of ComCat® treated tomatoes was better than that of the control. Integrated technology covering preharvest ComCat® application, disinfection with anolyte water and packaging combined with cold storage at 13°C maintained the superior quality of tomato.

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High vapour pressure deficit influences growth, transpiration and quality of tomato fruits

Cited by 117 publications

References 23 publications

Effects of atmospheric and soil water status on photosynthesis and growth in tomato

Effects of atmospheric and soil water status on photosynthesis and growth in tomato

Degradation and Formation of Fruit Color in Tomato (Solanum lycopersicum L.) in Response to Storage Temperature

Effects of preharvest treatment, disinfections, packaging and storage environment on quality of tomato

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