Browsing by Author "Terry, Leon"

Now showing 1 - 14 of 14
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    Continuous Exposure to Ethylene Differentially Affects Senescence in Receptacle and Achene Tissues in Strawberry Fruit
    (Cranfield University, 2020-02-20 13:41) Tosetti, Roberta; Elmi, Fardusa; Terry, Leon; Cools, Katherine; Pradas, Inmaculada
    Strawberry shelf life is limited, and little is known about the postharvest regulation of senescence in different fruit tissues. Strawberry is classified as a non-climacteric fruit, yet it is known that ethylene affects strawberry ripening. Here the effects of continuous exogenous ethylene (50 µL L-1) were investigated in cold stored strawberry (5° C). The physiological and biochemical responses of ripe strawberry were evaluated across six days, together with hormonal profiles of the whole fruit and individual tissues (achenes and receptacle). Continuous exposure to ethylene induced as a first response an accumulation of abscisic acid (ABA) in the receptacle tissue, followed by an increase in CO2 production. Ethylene also elicited sucrose hydrolysis and malic acid catabolism, with the major effect seen after 4 days of ethylene exposure. Additionally, accumulation of phenolics (epicatechin and chlorogenic acid) were also observed in ethylene treated strawberry. Achenes did not exhibit a response to ethylene, yet catabolism of both ABA and auxins increased by two thirds during air storage. In contrast, ethylene induced ABA accumulation in the receptacle tissue without ABA catabolism being affected. This hormonal disequilibrium in response to ethylene between the two tissues was maintained during storage, and therefore might be the precursor for the following biochemical variations reported during storage.
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    Data "Underlying data set for Collings et al 2025_Impact of growing temperature on spear and root carbohydrate content and the effects on postharvest asparagus tip breakdown incidence"
    (Cranfield University, 2025-01-13) Collings, Emma R.; Alamar, M. Carmen; Terry, Leon
    Tip breakdown has been identified as the main issue causing deterioration in asparagus quality during storage; however, the underlying mechanisms responsible for its development are unknown. Previous work showed higher incidence of tip breakdown occurring later in the season, when growing temperature is higher. To further our understanding and identify potential biomarkers of this physiological disorder, spears from two growing conditions (cooler vs. warmer), were harvested through the season to assess tip breakdown incidence, and quality attributes (asparagine and non-structural carbohydrates) during storage. Rapid growth due to warmer temperatures (up to 45°C) resulted in spears with lower sugar content and higher incidence of tip breakdown compared to cooler conditions. Asparagine slowly increased through the season (7 to 11 mg g-1 DW) with no differences between growing condition suggesting it is not a biomarker for tip breakdown. Pre-season spears (warm temperature only) had double the amount of sugar compared to early-season spears, with no incidence of tip breakdown despite an extended storage period (up to 18 days at 7°C). Sugar concentrations in roots were similar between growing conditions and between pre- and early-season despite clear differences in spear sugar content. These results showed a strong positive link between cooler growing conditions, high spear sugar content and low susceptibility to tip breakdown which was not reflected in root sugar concentrations.
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    Data and photos supporting: 'Detection of internal defects in onion bulbs by means of single-point and scanning laser Doppler vibrometry'
    (Cranfield University, 2022-10-13 16:16) Landahl, Sandra; Terry, Leon
    A zip-file with all raw data collected with the vibrometer. asc-files with the collated vibrometer data as described in the paper. In addition, records of the mass of the onions and images of cut bulbs. The data are organised according to cultivar name as presented in Table 1 of the paper.
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    Data for the paper Biochemical profile of heritage and modern apple cultivars and application of machine learning methods to predict usage, age, and harvest season
    (Cranfield University, 2017-06-05 09:32) Anastasiadi, Maria; Terry, Leon; Redfern, Sally; Mohareb, Fady; Berry, Mark
    This dataset contains the quantitative data used for statistical analysis and predictive modelling in the paper entitled "Biochemical Profile of Heritage and Modern Apple Cultivars and Application of Machine Learning Methods to Predict Usage, Age, and Harvest Season". Specifically it contains concentration of phenolic compounds per Fresh weight in the whole apples as well as sugars and organic acids. In addition the phenolic content of individual tissues (peel, flesh, seeds) is uploaded.
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    Data for the paper: "Fructans redistribution prior to sprouting in stored onion bulbs is a potential marker for dormancy break"
    (Cranfield University, 2019-01-07 08:37) christian Ohanenye, Ikenna; del carmen Alamar Gavidia, Maria; Thompson, Andrew; Terry, Leon
    The redistribution of fructans in stored onion bulbs as influenced by pre-harvest deficit irrigation and postharvest ethylene and 1-methylcyclopropene treatments.
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    Data for the paper: Spatial changes in leaf biochemical profile of two tea cultivars following cold storage under two different vapour pressure deficit (VPD) conditions
    (Cranfield University, 2018-10-24 10:33) del carmen Alamar Gavidia, Maria; Collings, Emma R.; Terry, Leon
    Underlying data for tea spatial paper which includes: catechin, moisture, respiration, ethylene and colour
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    Data supporting 'Biomarkers of postharvest resilience: unveiling the role of abscisic acid in table grapes during cold storage'
    (Cranfield University, 2023-09-28 11:00) del carmen Alamar Gavidia, Maria; Falagan Sama, Natalia; Terry, Leon
    Physiological (colour, respiration rate, firmness), pathalogical (mould incidence) and biochemical (individual sugars, hormones, organic acids) data of table grapes during postharevst cold storage
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    Data supporting 'Unveiling Biomarkers for Postharvest Resilience: The Role of Canopy Position on Quality and Abscisic Acid Dynamics of 'Nadorcott' Clementine Mandarins'
    (Cranfield University, 2024-02-28 16:02) del carmen Alamar Gavidia, Maria; Magwaza, Lembe; Terry, Leon
    Physiological (colour, respiration rate), and biochemical (individual sugars, organic acids, hormones) data of mandarin during postharevst cold storage
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    Data underpinning "Seasonal and Temporal Changes during Storage Affect Quality Attributes of Green Asparagus"
    (Cranfield University, 2019-09-19 18:33) Anastasiadi, Maria; Collings, Emma R.; Terry, Leon; Shivembe, Allan; Qian, Binghua
    This dataset contains the data used for statistical analysis and predictive modelling in the paper entitled "Seasonal and Temporal Changes during Storage Affect Quality Attributes of Green Asparagus". Specifically it contains physiological and biochemical changes in asparagus spears from two different cultivars during shelf-life captured over the course of the harvest season, as well as during cold storage and subsequent shelf-life for three different cultivars. Physiological changes include moisture loss, respiration rate, cutting energy, stiffness, objective colour. Biochemical data include individual sugars, ascorbic acid and abscisic acid and its catabolites. Also the data capture spatial differences along the asparagus spears (apical and basal regions).
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    GCA_blueberry_Frontiers2020.xlsx
    (Cranfield University, 2020-02-20 11:13) Falagan Sama, Natalia; Terry, Leon; Miclo, Tiana
    Underlying data for the paper:Falagan N, Miclo T and Terry LA (2020) Graduated Controlled Atmosphere: A Novel Approach to Increase Duke Blueberry Storage Life. Front. Plant Sci. 11:221. doi: 10.3389/fpls.2020.00221
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    Images of 'Hass' avocados form Spain and Chile
    (Cranfield University, 2020-03-02 08:31) Landahl, Sandra; Terry, Leon
    Data related to paper: "https://doi.org/10.1016/j.biosystemseng.2020.04.001" -Non-destructive discrimination of avocado fruit ripeness using laser Doppler vibrometry. Consumers increasingly desire ready-to-eat avocado fruit, yet if supplies fall short of customer expectations, complaints follow, incurring considerable cost and waste. In the avocado sector, wastage due to destructive testing and inaccurate assessment of firmness is significant. The aim of this study was to evaluate whether non-destructive laser Doppler vibrometry (LDV) was capable of assessing avocado ripeness.
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    Non-destructive methods for mango ripening prediction: Visible and near[1]infrared spectroscopy (visNIRS) and laser Doppler vibrometry (LDV): Data
    (Cranfield University, 2024-03-12 09:10) del carmen Alamar Gavidia, Maria; O'Brien, Ciara; Falagan Sama, Natalia; Landahl, Sandra; Terry, Leon; Kourmpetli, Sofia
    This data set includes reference measurements (firmness, colour [lightness, chroma and hue angle], total soluble solids [TSS], individual sugar concentrations [glucose, fructose, sucrose]), as well as visible and near-infrared spectroscopic (vis-NIRS) data (nm) and resonant frequency measured by laser Doppler vibroemetry (LDV) on 'Keitt' and 'Kent' mango fruit.
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    Physiological and hormone data for the paper entitled 'Transcriptome and phytohormone changes associated with ethylene-induced onion bulb dormancy'
    (Cranfield University, 2020-06-15 17:29) del carmen Alamar Gavidia, Maria; Terry, Leon; Anastasiadi, Maria; Thompson, Andrew; Mohareb, Fady; Turnbull, Colin G. N. ; Lopez-Cobollo, Rosa M.; Bennett, Mark H.
    Underlying data for this onion bulb dormancy paper which includes: respiration rate, sprout elongation and sprout incidence; abscisic acid (ABA) and ABA-metabolites concentration; cytokinins concentration; and differentially expressed genes for ABA, ethylene and cytokinins pathways.
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    Underpinning data "A comprehensive study of factors affecting postharvest disorder development in celery ".
    (Cranfield University, 2020-10-14 12:47) Anastasiadi, Maria; Falagan Sama, Natalia; Rossi, Simone; Terry, Leon
    This dataset contains the data used for statistical analysis in the paper entitled "A comprehensive study of factors affecting postharvest disorder development in celery". Specifically it contains physiological and biochemical changes affecting quality, during shelf-life in celery plants from three different horticultural maturity stages and harvested in different seasons from Spain and the UK. Part of the samples were subjected to different postharvest treatments: 1-MCP application for 24 h followed by cold storage storage under continuous air, continuous ethylene application, and continuous air application (control). In addition, this dataset contain data recording the physiological and biochemical changes occurring during shelf-life in celery plants grown under deficit irrigation and harvested at different horticultural maturity stages. Physiological changes recorded include, respiration rate, objective colour, dry matter changes, browning development and pithiness development. Biochemical data include individual sugars, abscisic acid and its catabolites and chlorogenic acid. Also the data capture spatial differences along the celery plants (apical and basal regions).