College of Agricultural, Human, and Natural Resource Sciences

Department of Plant Pathology

Reducing the mess of shed Christmas tree needles

Nobody wants to set up a Christmas tree in their home and have the needles start falling off well before Santa chastagnershows up.

So to help tree buyers, Washington State University researchers are using a $90,000 grant to study the effect of ethylene on needle retention in species commonly grown in the Pacific Northwest.

Gary Chastagner, a professor of plant pathology at WSU, has studied Christmas trees since 1980. He’s made a career out of Christmas tree research, and he said needle loss is a huge concern for the industry.

Read full story here.

Department of Plant Pathology, PO Box 646430, Washington State University, Pullman WA 99164-6430, 509-335-9541, Contact Us
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