International Seed Testing Association News Bulletin No. 153 April 2017 WWW.SEEDTEST.ORG ISTA PROFICIENCY TEST NEWS 37 An update on the modernization process FRESH IN THE FIELD 42 ISTA spotlights the next generation of professionals X-RAY BASED SEED ANALYSIS 45 An examination of the use of x-rays for seed science Gathering for the Sampling and Analysis of Seed Join AOSA, SCST and ISTA in Denver, Co. for their joint Annual Meeting.