Christmas Trees’ Distinctive Aroma Helps Ward off Pathogens and Pests

Andy Fell — November 25, 2024 - 8:30am

Each year, nearly 30 million Americans purchase a real tree for the holidays. Growing the perfect Christmas tree takes about seven years, during which farmers need to keep insects, fungal pathogens and hungry deer at bay. While researchers suspect the distinctive piney smell the trees emit plays a role in deterring these pests, not all trees smell the same, and which chemical blends confer resistance is unclear.

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Christmas Trees’ Distinctive Aroma Helps Ward off Pathogens and Pests