Did crop domestication change the fitness landscape of root response to soil mechanical impedance? An in silico analysis.

Abstract excerpt

BACKGROUND AND AIMS: Root axes with greater penetration ability are often considered to be beneficial in hard soils. We hypothesized that maize root phenotypes with greater plasticity (meaning reduced elongation in response to mechanical impedance, i.e. a 'stop signal') have fitness advantages over phenotypes with reduced plasticity (i.e. unimpeded root elongation) in native (virgin, uncultivated) soils, by...

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