Fungi Causing Decay in Wooden Boats

Abstract
20 spp. of wood-rot fungi were isolated from or collected on specimens of decayed wood from boats, barges, etc. The important organisms causing decay in coniferous woods were Poria microspora, isolated 23 times; P. xantha, 21 times; P. carbonica, 7 times; and Lenzites saepiaria, 7 times. The more important hardwood fungi were Poria oleracea, obtained 12 times; Daedalea quercina, 9 times; and Stereum frustu-losum, 7 times. Most of these fungi were previously known to cause decay in wood products, and a large proportion of them have been found at times associated with heart rot in living trees. Poria oleracea Davidson and Lombard, studied previously from heart rot in living oaks, is descr. as new.
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