Reducing the mess of shed Christmas tree needles
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.
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