Root hair length and rhizosheath mass depend on soil porosity, strength and water content in barley genotypes

Rebecca E. Haling; Lawrie K. Brown; A. Glyn Bengough; Tracy A. Valentine; Philip J. White; Iain M. Young; Timothy S. George

doi:10.1007/s00425-013-2002-1

Root hair length and rhizosheath mass depend on soil porosity, strength and water content in barley genotypes

Rebecca E. Haling, Lawrie K. Brown, A. Glyn Bengough, Tracy A. Valentine, Philip J. White, Iain M. Young, Timothy S. George

Research output: Contribution to journal › Article › peer-review

90 Scopus citations

Abstract

Selecting plants with improved root hair growth is a key strategy for improving phosphorus-uptake efficiency in agriculture. While significant inter- and intraspecific variation is reported for root hair length, it is not known whether these phenotypic differences are exhibited under conditions that are known to affect root hair elongation. This work investigates the effect of soil strength, soil water content (SWC) and soil particle size (SPS) on the root hair length of different root hair genotypes of barley. The root hair and rhizosheath development of five root hair genotypes of barley (Hordeum vulgare L.) was compared in soils with penetrometer resistances ranging from 0.03 to 4.45 MPa (dry bulk densities 1.2–1.7 g cm-3). A “short” (SRH) and “long” root hair (LRH) genotype was selected to further investigate whether differentiation of these genotypes was related to SWC or SPS when grown in washed graded sand. In low-strength soil (

Original language	English (US)
Pages (from-to)	643-651
Number of pages	9
Journal	Planta
Volume	239
Issue number	3
DOIs	https://doi.org/10.1007/s00425-013-2002-1
State	Published - Dec 8 2014
Externally published	Yes

ASJC Scopus subject areas

Plant Science
Genetics

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10.1007/s00425-013-2002-1

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title = "Root hair length and rhizosheath mass depend on soil porosity, strength and water content in barley genotypes",

abstract = "Selecting plants with improved root hair growth is a key strategy for improving phosphorus-uptake efficiency in agriculture. While significant inter- and intraspecific variation is reported for root hair length, it is not known whether these phenotypic differences are exhibited under conditions that are known to affect root hair elongation. This work investigates the effect of soil strength, soil water content (SWC) and soil particle size (SPS) on the root hair length of different root hair genotypes of barley. The root hair and rhizosheath development of five root hair genotypes of barley (Hordeum vulgare L.) was compared in soils with penetrometer resistances ranging from 0.03 to 4.45 MPa (dry bulk densities 1.2–1.7 g cm-3). A “short” (SRH) and “long” root hair (LRH) genotype was selected to further investigate whether differentiation of these genotypes was related to SWC or SPS when grown in washed graded sand. In low-strength soil (",

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AU - Haling, Rebecca E.

AU - Brown, Lawrie K.

AU - Bengough, A. Glyn

AU - Valentine, Tracy A.

AU - White, Philip J.

AU - Young, Iain M.

AU - George, Timothy S.

N1 - Generated from Scopus record by KAUST IRTS on 2023-02-15

PY - 2014/12/8

Y1 - 2014/12/8

N2 - Selecting plants with improved root hair growth is a key strategy for improving phosphorus-uptake efficiency in agriculture. While significant inter- and intraspecific variation is reported for root hair length, it is not known whether these phenotypic differences are exhibited under conditions that are known to affect root hair elongation. This work investigates the effect of soil strength, soil water content (SWC) and soil particle size (SPS) on the root hair length of different root hair genotypes of barley. The root hair and rhizosheath development of five root hair genotypes of barley (Hordeum vulgare L.) was compared in soils with penetrometer resistances ranging from 0.03 to 4.45 MPa (dry bulk densities 1.2–1.7 g cm-3). A “short” (SRH) and “long” root hair (LRH) genotype was selected to further investigate whether differentiation of these genotypes was related to SWC or SPS when grown in washed graded sand. In low-strength soil (

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IS - 3

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Root hair length and rhizosheath mass depend on soil porosity, strength and water content in barley genotypes

Abstract

ASJC Scopus subject areas

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