Fall tree trunk injections are crucial to protecting trees against many of the destructive tree insects and diseases wreaking havoc across the country, as well as nutrient deficiencies. Emerald Ash Borer larvae cause the most damage to ash trees from August to October, when they are most active and voracious. These pests have destroyed nearly 30 million ash trees to date in the United States and Canada.

Pine Bark Beetles have multiple generations and can kill a tree within weeks. In just one year, the Southern Pine Beetle, a bark beetle smaller than a grain of rice, killed 14,000 acres of pines in New Jersey. Fungal diseases, chlorosis and nutrient deficiencies can also be treated by injection in the fall before trees go dormant.

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