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Ask Dr. Universe: Why do trees have rings?
December 15, 2015

Dr-Universe-230PUYALLUP, Wash. – While walking in the woods with my friend Gary Chastagner, we stumbled upon some old tree stumps. The stumps had so many rings we had to use our magnifying glasses to see them all.

National nonprofit honors WSU plant pathologists
March 29, 2011

PULLMAN – Three WSU scientists are being recognized by the American Phytopathological Society (APS) for thier outstanding accomplishments in the classroom.

 

They will receive their awards in August during a special recognition ceremony at the annual APS meeting in Honolulu, Hawaii.

 

Lori Carris, associate professor of plant pathology, will receive the society’s Award of Excellence in Teaching based on her achievements in teaching mycology at WSU for 22 years. Carris teaches and mentors graduate students, consistently receives high marks on student teaching evaluations and has developed new courses for the department. She also serves as president of the University Commission on … » More …

Secret to healthy Christmas trees revealed
December 2, 2010

PUYALLUP – As shoppers select Christmas trees, WSU plant pathologist and internationally recognized Christmas tree expert, Gary Chastagner, offers tips to keep the them vibrant through the holiday season.

 

The secret to keeping a Christmas tree fresh through the holiday season is to provide it with plenty of water, Chastagner said.

 

“Most people don’t realize how much water a tree can take up once it’s indoors,” he said. “As a general rule, for each inch of stem diameter the tree will need a quart of water per day. So the average four-inch diameter tree needs at least … » More …

The secret to a fresh Christmas tree? Water, and lots of it
December 16, 2009

PUYALLUP – The secret to keeping a Christmas tree fresh through the holiday season is simple: Provide it with plenty of water. That’s the advice of WSU plant pathologist and internationally recognized Christmas tree expert Gary Chastagner.

“Most people don’t realize how much water a tree can take up once it’s indoors,” Chastagner says. “As a general rule, for each inch of stem diameter the tree will need a quart of water per day. So the average four-inch diameter tree needs at least a gallon of water a day.”

Chastagner points out that keeping your holiday tree well hydrated is about more than aesthetics, it’s … » More …

Capitol Christmas tree choice, coverage via WSU and 4-H
December 1, 2006

PULLMAN — For 35 years, the Capitol Christmas tree has been harvested from one of the 50 states and transported to Washington D.C. This year, Washington State is providing a majestic, picture-perfect, 45-year-old tree that will stand in front of the U.S. Capitol Building in Washington D.C. during the holidays.Gary Chastagner, a scientist at Washington State University’s Puyallup Research and Extension Center, played a role in its selection and care. WSU Extension’s 4-H Network News crew is chronicling the 65.5-foot-tall tree’s cross-country journey.Contacted last spring, Chastagner advised the U.S. Forest Service and the Washington Department of Natural Resources on the post-harvest moisture and needle retention characteristics … » More …