"A University of Missouri plant biologist – through the use of radioactive isotopes – has led research that has discovered how some corn plants partially repair themselves from western corn rootworm damage. Richard Ferrieri, a research professor in the MU Interdisciplinary Plant Group, and an investigator at the MU Research Reactor (MURR), tells Brownfield Ag News – he’s adapted positron emission tomography – PET imaging used in the medical field – to trace a hormone in corn plants whose roots…