Gastroprotective effect of the Mapuche crude drug Araucaria araucana resin and its main constituents. Disease symptoms and signs included a thinning crown and fruiting bodies at the tree base over a several-year period before tree death. ![]() In September 2007, bark samples were collected from the root collar of a single Araucaria araucana tree that had recently died and was suspected of being killed by Armillaria root disease. ![]() ![]() First report of Armillaria root disease caused by Armillaria tabescens on Araucaria araucana in Veracruz, Mexico
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