Reduced root cortical burden improves growth and grain yield under low phosphorus availability in maize

• Published in: Plant, cell and environment Vol. 41; no. 7; pp. 1579 - 1592
• Main Authors: Galindo‐Castañeda, Tania, Brown, Kathleen M., Lynch, Jonathan P.
• Format: Journal Article
• Language: English
• Published: United States Wiley Subscription Services, Inc 01.07.2018
• Subjects: Arbuscular mycorrhizas; Biomass; Cell size; Colonization; Corn; Crop yield; Edible Grain - growth & development; Exploration; genotype; Genotypes; Grain; grain yield; greenhouses; Hypotheses; leaves; living cortical area; maize; Mesocosms; Metabolism; Mycorrhizae - metabolism; Phosphorus; Phosphorus - deficiency; Phosphorus - metabolism; Phosphorus content; Plant growth; Plant Roots - anatomy & histology; Plant Roots - metabolism; Plant Roots - physiology; Plant Shoots - metabolism; Plant Shoots - physiology; root anatomy; root cortical aerenchyma; Roots; soil; Soil improvement; soil nutrients; vesicular arbuscular mycorrhizae; Zea mays; Zea mays - growth & development; Zea mays - metabolism; living cortical area; root cortical aerenchyma; maize; root anatomy; phosphorus

Root phenes and phene states that reduce the metabolic cost of soil exploration may improve plant growth under low phosphorus availability. We tested the hypothesis that under low phosphorus, reduced living cortical area (LCA) would increase soil exploration, phosphorus capture, biomass, and grain y...