Delivering enhanced fruit quality to the UK tomato industry through implementation of partial root-zone drying.

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Delivering enhanced fruit quality to the UK tomato industry through implementation of partial root-zone drying. / Theobald, Julian C.; Bacon, Mark A.; Davies, William J.
In: Comparative Biochemistry and Physiology - Part A: Molecular and Integrative Physiology, Vol. 146, No. 4 Supp, 04.2007, p. S241-S241.

Research output: Contribution to Journal/Magazine › Journal article

Harvard

Theobald, JC , Bacon, MA & Davies, WJ 2007, 'Delivering enhanced fruit quality to the UK tomato industry through implementation of partial root-zone drying.', Comparative Biochemistry and Physiology - Part A: Molecular and Integrative Physiology, vol. 146, no. 4 Supp, pp. S241-S241. https://doi.org/10.1016/j.cbpa.2007.01.557

APA

Theobald, J. C., Bacon, M. A., & Davies, W. J. (2007). Delivering enhanced fruit quality to the UK tomato industry through implementation of partial root-zone drying. Comparative Biochemistry and Physiology - Part A: Molecular and Integrative Physiology, 146(4 Supp), S241-S241. https://doi.org/10.1016/j.cbpa.2007.01.557

Vancouver

Theobald JC , Bacon MA , Davies WJ. Delivering enhanced fruit quality to the UK tomato industry through implementation of partial root-zone drying. Comparative Biochemistry and Physiology - Part A: Molecular and Integrative Physiology. 2007 Apr;146(4 Supp):S241-S241. doi: 10.1016/j.cbpa.2007.01.557

Author

Theobald, Julian C. ; Bacon, Mark A. ; Davies, William J. / Delivering enhanced fruit quality to the UK tomato industry through implementation of partial root-zone drying. In: Comparative Biochemistry and Physiology - Part A: Molecular and Integrative Physiology. 2007 ; Vol. 146, No. 4 Supp. pp. S241-S241.

Bibtex

@article{d25cacf877c247adba87f3f82288e21c,

title = "Delivering enhanced fruit quality to the UK tomato industry through implementation of partial root-zone drying.",

abstract = "Partial root-zone drying (PRD) is a deficit irrigation technology that exploits early root sensing of soil drying prior to any hydraulic stress and the chemical signals (e.g. ABA) that are generated, to modify shoot physiology and growth. In Australia PRD has been implemented in vineyards with significant improvements in irrigation water-use efficiency, decreased vegetative vigour and enhanced grape (and resultant wine) flavour and quality. Not dissimilarly, a top priority for the UK tomato industry is the improvement of quality and flavour to enhance tomato as a functional food crop. A PRD trial was established in a commercial glasshouse adopting the standard industry practice of soil-less culture with drip fertigation. Treatments comprised (1) plants rooted in single Rockwool slabs representing a current practice control (SSC), (2) plants with roots split evenly between two slabs with equal fertigation to both (DSC), and (3) as (2) but with fertigation alternated between each slab so that root halves experienced cycles of wetting and drying (PRD). Typically the PRD treatment significantly decreased leaf conductance (up to 30%), total sap flow (22% at mid-day) and decreased leaf area (24%), fresh weight (18%) and dry weight (22%). Individual fruit fresh weight and mean weekly yield through the season were not significantly affected by PRD, but PRD significantly increased both dry matter allocation (20%) to the fruit and the degree Brix (16%) compared to SSC treatment, with DSC treatment intermediate in response. Most significantly, the putative anti-cancer carotenoid lycopene was increased by up to 27% in PRD fruit.",

keywords = "Partial root-zone drying, tomato, fruit, lycopene, brix",

author = "Theobald, {Julian C.} and Bacon, {Mark A.} and Davies, {William J.}",

year = "2007",

month = apr,

doi = "10.1016/j.cbpa.2007.01.557",

language = "English",

volume = "146",

pages = "S241--S241",

journal = "Comparative Biochemistry and Physiology - Part A: Molecular and Integrative Physiology",

issn = "1095-6433",

publisher = "Elsevier Inc.",

number = "4 Supp",

}

RIS

TY - JOUR

T1 - Delivering enhanced fruit quality to the UK tomato industry through implementation of partial root-zone drying.

AU - Theobald, Julian C.

AU - Bacon, Mark A.

AU - Davies, William J.

PY - 2007/4

Y1 - 2007/4

N2 - Partial root-zone drying (PRD) is a deficit irrigation technology that exploits early root sensing of soil drying prior to any hydraulic stress and the chemical signals (e.g. ABA) that are generated, to modify shoot physiology and growth. In Australia PRD has been implemented in vineyards with significant improvements in irrigation water-use efficiency, decreased vegetative vigour and enhanced grape (and resultant wine) flavour and quality. Not dissimilarly, a top priority for the UK tomato industry is the improvement of quality and flavour to enhance tomato as a functional food crop. A PRD trial was established in a commercial glasshouse adopting the standard industry practice of soil-less culture with drip fertigation. Treatments comprised (1) plants rooted in single Rockwool slabs representing a current practice control (SSC), (2) plants with roots split evenly between two slabs with equal fertigation to both (DSC), and (3) as (2) but with fertigation alternated between each slab so that root halves experienced cycles of wetting and drying (PRD). Typically the PRD treatment significantly decreased leaf conductance (up to 30%), total sap flow (22% at mid-day) and decreased leaf area (24%), fresh weight (18%) and dry weight (22%). Individual fruit fresh weight and mean weekly yield through the season were not significantly affected by PRD, but PRD significantly increased both dry matter allocation (20%) to the fruit and the degree Brix (16%) compared to SSC treatment, with DSC treatment intermediate in response. Most significantly, the putative anti-cancer carotenoid lycopene was increased by up to 27% in PRD fruit.

AB - Partial root-zone drying (PRD) is a deficit irrigation technology that exploits early root sensing of soil drying prior to any hydraulic stress and the chemical signals (e.g. ABA) that are generated, to modify shoot physiology and growth. In Australia PRD has been implemented in vineyards with significant improvements in irrigation water-use efficiency, decreased vegetative vigour and enhanced grape (and resultant wine) flavour and quality. Not dissimilarly, a top priority for the UK tomato industry is the improvement of quality and flavour to enhance tomato as a functional food crop. A PRD trial was established in a commercial glasshouse adopting the standard industry practice of soil-less culture with drip fertigation. Treatments comprised (1) plants rooted in single Rockwool slabs representing a current practice control (SSC), (2) plants with roots split evenly between two slabs with equal fertigation to both (DSC), and (3) as (2) but with fertigation alternated between each slab so that root halves experienced cycles of wetting and drying (PRD). Typically the PRD treatment significantly decreased leaf conductance (up to 30%), total sap flow (22% at mid-day) and decreased leaf area (24%), fresh weight (18%) and dry weight (22%). Individual fruit fresh weight and mean weekly yield through the season were not significantly affected by PRD, but PRD significantly increased both dry matter allocation (20%) to the fruit and the degree Brix (16%) compared to SSC treatment, with DSC treatment intermediate in response. Most significantly, the putative anti-cancer carotenoid lycopene was increased by up to 27% in PRD fruit.

KW - Partial root-zone drying

KW - tomato

KW - fruit

KW - lycopene

KW - brix

U2 - 10.1016/j.cbpa.2007.01.557

DO - 10.1016/j.cbpa.2007.01.557

M3 - Journal article

VL - 146

SP - S241-S241

JO - Comparative Biochemistry and Physiology - Part A: Molecular and Integrative Physiology

JF - Comparative Biochemistry and Physiology - Part A: Molecular and Integrative Physiology

SN - 1095-6433

IS - 4 Supp

ER -

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