Summary ²

Phytophthora ramorum is the oomycete plant pathogen known to cause the disease sudden oak death (SOD). The disease kills oak and other species of trees and has had devastating effects on the oak populations in California and Oregon, as well as being present in Europe. Symptoms include bleeding cankers on the tree's trunk and dieback of the foliage, in many cases eventually leading to the death of the tree.

Fontes e Créditos

1. (c) Ken-ichi Ueda, alguns direitos reservados (CC BY), enviado por Ken-ichi Ueda, http://www.flickr.com/photos/18024068@N00/3088204891
2. (c) Wikipedia, alguns direitos reservados (CC BY-SA), http://en.wikipedia.org/wiki/Phytophthora_ramorum

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