1. Root traits for efficient nitrogen acquisition and genome-wide association study of root anatomical traits in maize (zea mays L.) Open Access Author: Saengwilai, Patompong Title: Root traits for efficient nitrogen acquisition and genome-wide association study of root anatomical traits in maize (zea mays L.) Graduate Program: Plant Biology Keywords: rootsanatomynitrogenagricultureaerenchymaroot hairscrown rootsGWASQTLSNPgenetics File: Download Saengwilai_Ph.D.thesis.pdf Committee Members: Jonathan Paul Lynch, Dissertation Advisor/Co-AdvisorKathleen Marie Brown, Committee Chair/Co-ChairDawn S Luthe, Committee MemberSurinder Chopra, Special Member