DISEASES OF FLOWERS, LEAVES AND STEMS
DISEASES OF FLOWERS, LEAVES AND STEMS
DISEASES OF FLOWERS, LEAVES AND STEMS
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Bursaphelenchus xylophilus – pine wilt nematodeBlue stain fungus (Ceratocystis, Ophilostoma) is alsointroduced to the tree by the beetles. The fungusinvades the dying tree and nematodes feed on it. Thus,there is often blue stain in the wood of nematodeinfected trees.L.D. Dwinell, USDA Forest Service, Bugwood.org
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