New phenotyping methods for screening wheat and barley for beneficial responses to water deficit

Rana Munns; Richard A. James; Xavier R.R. Sirault; Robert T. Furbank; Hamlyn G. Jones

doi:10.1093/jxb/erq199

New phenotyping methods for screening wheat and barley for beneficial responses to water deficit

Rana Munns^*, Richard A. James, Xavier R.R. Sirault, Robert T. Furbank, Hamlyn G. Jones

^*Corresponding author for this work

Research output: Contribution to journal › Review article › peer-review

346 Citations (Scopus)

Abstract

This review considers stomatal conductance as an indicator of genotypic differences in the growth response to water stress. The benefits of using stomatal conductance are compared with photosynthetic rate and other indicators of genetic variation in water stress tolerance, along with the use of modern phenomics technologies. Various treatments for screening for genetic diversity in response to water deficit in controlled environments are considered. There is no perfect medium: there are pitfalls in using soil in pots, and in using hydroponics with ionic and non-ionic osmotica. Use of mixed salts or NaCl is recommended over non-ionic osmotica. Developments in infrared thermography provide new and feasible screening methods for detecting genetic variation in the stomatal response to water deficit in controlled environments and in the field.

Original language	English
Pages (from-to)	3499-3507
Number of pages	9
Journal	Journal of Experimental Botany
Volume	61
Issue number	13
DOIs	https://doi.org/10.1093/jxb/erq199
Publication status	Published - Aug 2010
Externally published	Yes

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title = "New phenotyping methods for screening wheat and barley for beneficial responses to water deficit",

abstract = "This review considers stomatal conductance as an indicator of genotypic differences in the growth response to water stress. The benefits of using stomatal conductance are compared with photosynthetic rate and other indicators of genetic variation in water stress tolerance, along with the use of modern phenomics technologies. Various treatments for screening for genetic diversity in response to water deficit in controlled environments are considered. There is no perfect medium: there are pitfalls in using soil in pots, and in using hydroponics with ionic and non-ionic osmotica. Use of mixed salts or NaCl is recommended over non-ionic osmotica. Developments in infrared thermography provide new and feasible screening methods for detecting genetic variation in the stomatal response to water deficit in controlled environments and in the field.",

keywords = "Chlorophyll fluorescence, IR thermography, PEG, drought tolerance, mannitol, polyethylene glycol, salinity, water productivity, water use efficiency",

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T1 - New phenotyping methods for screening wheat and barley for beneficial responses to water deficit

AU - Munns, Rana

AU - James, Richard A.

AU - Sirault, Xavier R.R.

AU - Furbank, Robert T.

AU - Jones, Hamlyn G.

PY - 2010/8

Y1 - 2010/8

N2 - This review considers stomatal conductance as an indicator of genotypic differences in the growth response to water stress. The benefits of using stomatal conductance are compared with photosynthetic rate and other indicators of genetic variation in water stress tolerance, along with the use of modern phenomics technologies. Various treatments for screening for genetic diversity in response to water deficit in controlled environments are considered. There is no perfect medium: there are pitfalls in using soil in pots, and in using hydroponics with ionic and non-ionic osmotica. Use of mixed salts or NaCl is recommended over non-ionic osmotica. Developments in infrared thermography provide new and feasible screening methods for detecting genetic variation in the stomatal response to water deficit in controlled environments and in the field.

AB - This review considers stomatal conductance as an indicator of genotypic differences in the growth response to water stress. The benefits of using stomatal conductance are compared with photosynthetic rate and other indicators of genetic variation in water stress tolerance, along with the use of modern phenomics technologies. Various treatments for screening for genetic diversity in response to water deficit in controlled environments are considered. There is no perfect medium: there are pitfalls in using soil in pots, and in using hydroponics with ionic and non-ionic osmotica. Use of mixed salts or NaCl is recommended over non-ionic osmotica. Developments in infrared thermography provide new and feasible screening methods for detecting genetic variation in the stomatal response to water deficit in controlled environments and in the field.

KW - Chlorophyll fluorescence

KW - IR thermography

KW - PEG

KW - drought tolerance

KW - mannitol

KW - polyethylene glycol

KW - salinity

KW - water productivity

KW - water use efficiency

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DO - 10.1093/jxb/erq199

M3 - Review article

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SP - 3499

EP - 3507

JO - Journal of Experimental Botany

JF - Journal of Experimental Botany

IS - 13

ER -

New phenotyping methods for screening wheat and barley for beneficial responses to water deficit

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