By Michael Tortorello / The Bulletin
December 9, 2012
PUYALLUP, Wash. — A seven-foot evergreen will bear 350,000 needles, more or less. And if Gary Chastagner has his way this holiday season, precious few of them will end up on the parlor floor.
As a plant pathologist at Washington State University, Chastagner, 64, heads one of the nation’s....