DISEASES OF FLOWERS, LEAVES AND STEMS

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Bursaphelenchus xylophilus – pine wilt nematodeL.D. Dwinell, USDA ForestService, Bugwood.orgAdult beetles emerge fromdead pines in late spring,carrying large numbers ofnematodes (15,000-230,000)in their tracheae.USDA Forest Service - Region 2 - Rocky Mountain RegionArchive, USDA Forest Service, Bugwood.org
Bursaphelenchus xylophilus – pine wilt nematodeBeetles seek tender tissues in crown and twigs of healthypines. Beetles remove outer bark and nematodes leaveinsect and enter tree at points of injury from the beetle'sfeeding.University of Missouri
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DISEASES OF FLOWERS, LEAVES AND STEMS

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