The utility of phenotypic plasticity of root hair length for phosphorus acquisition

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Influence of root and leaf traits on the uptake of nutrients in cover crops (2016, background): “Root hairs will also increase P acquisition capacity by expanding root area (Gahoonia and Nielsen 2004; Zhu et al. 2010).”
Genetic gain in yield and associated changes in phenotype, trait plasticity and competitive ability of South Australian wheat varieties released between 1958 and 2007 (2011, background): “2010) with direct implications for crop adaptation (Sadras et al. 2007; Sadras et al. 2009; Nicotra and Davidson 2010; Zhu et al. 2010; Sadras and Trentacoste 2011; Trentacoste et al. 2011).”
Plant and microbial strategies to improve the phosphorus efficiency of agriculture (2011, background): “RCA may be useful under nutrient stress by converting living cortical tissue to air space, thereby reducing the nutrient and carbon costs of root tissue while maintaining surface area for nutrient uptake (Fan et al. 2003; Lynch and Brown 1998; Zhu et al. 2010b).”
Root phenotypes for improved nutrient capture: an underexploited opportunity for global agriculture. (2019, background): “Root hairs are critical for P capture by extending the P depletion zone surrounding the root surface, and genotypic variation for root hair length and density is closely associated with P capture from low-P soils (Gahoonia &Nielsen, 2003, 2004a; Zhu et al., 2010b; Miguel et al., 2015; Fig.”