大卫，赛扬，以及植物新砧木雅各布在“实地生长在早春”苗圃。
David, Cy, and Jacob plant new rootstock in a "field-grown" tree nursery in early spring.
这种天牛不仅具有毁坏木材价值的潜力，而且能够毁坏东部主要硬木树种枫树木浆生产能力、苗圃砧木和秋季色彩的价值。
The beetle has the potential to destroy not only timber value, but maple syrup production potential, nursery stock, and fall coloration value of the major eastern hardwoods.
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