Centre for Phytophthora Science and Management, School of Biological Sciences and Biotechnology, Murdoch University, 90 South Street, Murdoch, WA 6150, Australia;
Persoonia. 2009 Jun;22:1-13. doi: 10.3767/003158509X415450. Epub 2009 Feb 2.
A new Phytophthora species, isolated from rhizosphere soil of declining or dead trees of Eucalyptus gomphocephala, E. marginata, Agonis flexuosa, and another 13 plant species, and from fine roots of E. marginata and collar lesions of Banksia attenuata in Western Australia, is described as Phytophthora multivora sp. nov. It is homothallic and produces semipapillate sporangia, smooth-walled oogonia containing thick-walled oospores, and paragynous antheridia. Although morphologically similar to P. citricola, phylogenetic analyses of the ITS and cox1 gene regions demonstrate that P. multivora is unique. Phytophthora multivora is pathogenic to bark and cambium of E. gomphocephala and E. marginata and is believed to be involved in the decline syndrome of both eucalypt species within the tuart woodland in south-west Western Australia.
一种新的 Phytophthora 物种，从桉树、边缘桉树、阿冈尼斯 flexuosa 和其他 13 种植物的衰退或死亡树木的根际土壤中，以及从边缘桉树的细根和西澳大利亚州班克西亚 attenuata 的颈环病变中分离出来，被描述为多室 Phytophthora 新种。它是同宗的，产生半乳头状的孢子囊，光滑壁的卵孢子含有厚壁的卵孢子，以及雌雄同体的藏卵器。虽然形态上与 P. citricola 相似，但 ITS 和 cox1 基因区域的系统发育分析表明，P. multivora 是独特的。多室 Phytophthora 对桉树和边缘桉树的树皮和形成层具有致病性，据信与西澳大利亚西南部图亚特林地中这两个桉树物种的衰退综合征有关。
