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Carbon isotope discrimination shows a higher water use efficiency under alternate partial root-zone irrigation of field-grown tomato

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Carbon isotope discrimination shows a higher water use efficiency under alternate partial root-zone irrigation of field-grown tomato. / Wei, Zhenhua; Du, Taisheng; Zhang, Juan et al.
In: Agricultural Water Management, Vol. 165, 02.2016, p. 33-43.

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Wei Z, Du T, Zhang J, Xu S, Cambre P, Davies WJ. Carbon isotope discrimination shows a higher water use efficiency under alternate partial root-zone irrigation of field-grown tomato. Agricultural Water Management. 2016 Feb;165:33-43. Epub 2015 Dec 7. doi: 10.1016/j.agwat.2015.11.009

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Wei, Zhenhua ; Du, Taisheng ; Zhang, Juan et al. / Carbon isotope discrimination shows a higher water use efficiency under alternate partial root-zone irrigation of field-grown tomato. In: Agricultural Water Management. 2016 ; Vol. 165. pp. 33-43.

Bibtex

@article{dbbb13c41cc04c14a6592a1c7d8a27be,
title = "Carbon isotope discrimination shows a higher water use efficiency under alternate partial root-zone irrigation of field-grown tomato",
abstract = "Experiments of alternate partial root-zone irrigation (APRI) on tomato plants were conducted in the field with three different water application rates via furrow irrigation (i.e., AFI) during 2011–12 and drip irrigation (i.e., ADI) during 2013–14 in the arid region of northwest China. Leaf carbon isotope discrimination (ΔL), fruit carbon isotope discrimination (ΔF) and fresh yield (Y) were determined at fruit maturation stage. The impacts of irrigation treatments on water use efficiency (WUE) were evaluated at leaf and yield scales. The results showed that APRI usually resulted in a higher WUE improvement with no significant difference in yield but 33.3% less irrigation water. Compared with conventional irrigation (CI), APRI regulated leaf photosynthetic processes and stomatal aperture more efficiently and induced a lower ΔL and higher WUE at leaf scale. Δ13C of tomato leaf and fruit at fruit maturation stage could be used as an important, quick and suitable indicator for phenotype of high WUE at both leaf and field scales to some extent, irrespective of which APRI method was applied. Our results suggest that APRI, especially ADI, have some potential to be used as an efficient water-saving irrigation strategy in arid region of northwest China where tomato production is threatened by insufficient irrigation water for agriculture.",
keywords = "Alternate partial root-zone irrigation, Carbon isotope discrimination, Water use efficiency, Tomato, Furrow irrigation, Drip irrigation",
author = "Zhenhua Wei and Taisheng Du and Juan Zhang and Shujun Xu and Paul Cambre and Davies, {William John}",
year = "2016",
month = feb,
doi = "10.1016/j.agwat.2015.11.009",
language = "English",
volume = "165",
pages = "33--43",
journal = "Agricultural Water Management",
issn = "0378-3774",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Carbon isotope discrimination shows a higher water use efficiency under alternate partial root-zone irrigation of field-grown tomato

AU - Wei, Zhenhua

AU - Du, Taisheng

AU - Zhang, Juan

AU - Xu, Shujun

AU - Cambre, Paul

AU - Davies, William John

PY - 2016/2

Y1 - 2016/2

N2 - Experiments of alternate partial root-zone irrigation (APRI) on tomato plants were conducted in the field with three different water application rates via furrow irrigation (i.e., AFI) during 2011–12 and drip irrigation (i.e., ADI) during 2013–14 in the arid region of northwest China. Leaf carbon isotope discrimination (ΔL), fruit carbon isotope discrimination (ΔF) and fresh yield (Y) were determined at fruit maturation stage. The impacts of irrigation treatments on water use efficiency (WUE) were evaluated at leaf and yield scales. The results showed that APRI usually resulted in a higher WUE improvement with no significant difference in yield but 33.3% less irrigation water. Compared with conventional irrigation (CI), APRI regulated leaf photosynthetic processes and stomatal aperture more efficiently and induced a lower ΔL and higher WUE at leaf scale. Δ13C of tomato leaf and fruit at fruit maturation stage could be used as an important, quick and suitable indicator for phenotype of high WUE at both leaf and field scales to some extent, irrespective of which APRI method was applied. Our results suggest that APRI, especially ADI, have some potential to be used as an efficient water-saving irrigation strategy in arid region of northwest China where tomato production is threatened by insufficient irrigation water for agriculture.

AB - Experiments of alternate partial root-zone irrigation (APRI) on tomato plants were conducted in the field with three different water application rates via furrow irrigation (i.e., AFI) during 2011–12 and drip irrigation (i.e., ADI) during 2013–14 in the arid region of northwest China. Leaf carbon isotope discrimination (ΔL), fruit carbon isotope discrimination (ΔF) and fresh yield (Y) were determined at fruit maturation stage. The impacts of irrigation treatments on water use efficiency (WUE) were evaluated at leaf and yield scales. The results showed that APRI usually resulted in a higher WUE improvement with no significant difference in yield but 33.3% less irrigation water. Compared with conventional irrigation (CI), APRI regulated leaf photosynthetic processes and stomatal aperture more efficiently and induced a lower ΔL and higher WUE at leaf scale. Δ13C of tomato leaf and fruit at fruit maturation stage could be used as an important, quick and suitable indicator for phenotype of high WUE at both leaf and field scales to some extent, irrespective of which APRI method was applied. Our results suggest that APRI, especially ADI, have some potential to be used as an efficient water-saving irrigation strategy in arid region of northwest China where tomato production is threatened by insufficient irrigation water for agriculture.

KW - Alternate partial root-zone irrigation

KW - Carbon isotope discrimination

KW - Water use efficiency

KW - Tomato

KW - Furrow irrigation

KW - Drip irrigation

U2 - 10.1016/j.agwat.2015.11.009

DO - 10.1016/j.agwat.2015.11.009

M3 - Journal article

VL - 165

SP - 33

EP - 43

JO - Agricultural Water Management

JF - Agricultural Water Management

SN - 0378-3774

ER -