A study of the effects of season of prescribed burn on tree mortality was established in mixed-age ponderosa pine (Pinus ponderosa Dougl. ex Laws.) at the south end of the Blue Mountains near Burns, Oregon. Each of six previously thinned stands was subdivided into three experimental units…
Keywords: black stain root disease, Blue Mountains, fire, Leptographium wageneri
Source: International Journal of Wildland Fire. Vol. 14: 223-231
Many fungi in the Ophiostomatales are vectored by bark beetles that introduce these fungi directly into their tree hosts. Most of these fungal associates have little effect on their hosts, but some can cause serious diseases. One such fungus, Leptographium wageneri, causes an economically and…
Keywords: Douglas-fir, Leptographium wageneri, population genomics, epidemiology, emerging disease, plantation forest landscape
Source: Frontiers in Forests and Global Change. 4: 695981.
Black stain root disease (BSRD) is a vascular wilt that causes mortality in several conifer species (Wagener & Mielke 1961, Harrington & Cobb 1987). It is caused by the fungus Leptographium wageneri, which can spread via root contact and is also vectored by insects (Witcosky & Hansen…
Keywords: black stain root disease (BSRD), Leptographium wageneri, Douglas-fir
Source: In: Reynolds, G. J.; Wilhelmi, N. P.; Palacios, P., comps. Proceedings of the 66th Western International Forest Disease Work Conference, Estes Park, Colorado, 3-7 June 2019. p. 117-123.