02199nas a2200253   4500008004100000022001400041245018100055210006900236260001200305300001400317490000700331520137600338653001201714653001701726653001801743653002201761653002701783653002601810100001301836700001601849700001901865700002101884856004001905       2012                        eng d  a1365-305900aAnnual and herbaceous perennial native Australian plant species are symptomless hosts of Phytophthora cinnamomi in the Eucalyptus marginata (jarrah) forest of Western Australia0 aAnnual and herbaceous perennial native Australian plant species   c11/2012  a245–2510 v433 a<p>Resistant annual and herbaceous perennial plant species were identified as key hosts which allow <em>Phytophthora cinnamomi</em> to persist on severely impacted black gravel sites within the <em>Eucalyptus marginata</em> (jarrah) forest of southwest Western Australia. Of the annual and herbaceous perennial plant species present on black gravel sites, 15 out of 19 species were found to be hosts of <em>P.&nbsp;cinnamomi</em>, and 10 of these were symptomless hosts. In particular, the native annual <em>Trachymene pilosa</em> and the two native herbaceous perennials <em>Stylidium diuroides</em> and <em>Chamaescilla corymbosa</em> were commonly found to be hosts of the pathogen. Species from 12 new genera including three from new families (Crassulaceae, Droseraceae and Primulaceae) are reported for the first time to be hosts of <em>P.&nbsp;cinnamomi</em>. The species from which <em>P.&nbsp;cinnamomi</em> was recovered were the native species: <em>Chamaescilla corymbosa, Crassula closiana, Drosera erythrorhiza, Hydrocotyle callicarpa, Levenhookia pusilla, Paracaleana nigrita, Podotheca angustifolia, Pterochaeta paniculata, Rytidosperma caespitosum, Siloxerus multiflorus</em>,<em> Stylidium diuroides</em> and <em>Trachymene pilosa,</em> and the introduced annual weeds <em>Hypochaeris glabra, Lysimachia arvensis</em> and <em>Pentameris airoides</em>.</p>10adieback10ahost species10ajarrah forest10apathogen survival10aPhytophthora cinnamomi10asusceptibility rating1 aCrone, M1 aMcComb, J A1 aO’Brien, P A1 aHardy, St, G E J  uhttp://dx.doi.org/10.1111/ppa.1201601756nas a2200181   4500008004100000245016900041210006900210260001200279300001400291490000700305520111500312100001301427700001601440700001701456700002101473700001401494856006601508       2013                        eng d00aAssessment of Australian native annual/herbaceous perennial plant species as asymptomatic or symptomatic hosts of Phytophthora cinnamomi under controlled conditions0 aAssessment of Australian native annualherbaceous perennial plant  c06/2013  a245–2510 v433 a<p><em>Phytophthora cinnamomi</em> is a necrotrophic pathogen of woody perennials and devastates many biomes worldwide. A controlled perlite–hydroponic system with no other hyphae-producing organisms as contaminants present allowed rapid assessment of ten annual and herbaceous perennial plant species most of which have a wide distribution within the jarrah (<em>Eucalyptus marginata</em>) forest in Western Australia where this pathogen has been introduced. As some annuals and herbaceous perennials have recently been reported as symptomatic and asymptomatic hosts, laboratory screening of some of the field-tested annuals and herbaceous perennials and additional species was used to further evaluate their role in the pathogen's disease cycle. Nine of the species challenged with the pathogen were asymptomatic, with none developing root lesions; however, <em>Trachymene pilosa</em> died. The pathogen produced thick-walled chlamydospores and stromata in the asymptomatic roots. Furthermore, haustoria were observed in the roots, indicating that the pathogen was growing as a biotroph in these hosts.</p>1 aCrone, M1 aMcComb, J A1 aO'Brien, P A1 aHardy, St, G E J1 aAndrea, V  uhttp://onlinelibrary.wiley.com/doi/10.1111/efp.12027/abstract