Vascular Streak Dieback of Cacao in Southeast Asia and Melanesia: in Planta Detection of the Pathogen and a New Taxonomy
View metadata, citation and similar papers at core.ac.uk brought to you by CORE provided by Hasanuddin University Repository fungal biology 116 (2012) 11e23 journal homepage: www.elsevier.com/locate/funbio Vascular Streak Dieback of cacao in Southeast Asia and Melanesia: in planta detection of the pathogen and a new taxonomy Gary J. SAMUELSa,*, Adnan ISMAIELa, Ade ROSMANAb, Muhammad JUNAIDb, David GUESTc, Peter MCMAHONd, Philip KEANEd, Agus PURWANTARAe, Smilja LAMBERTf, Marianela RODRIGUEZ-CARRESg, Marc A. CUBETAg aUnited States Department of Agriculture, Agriculture Research Service, 10300 Baltimore Ave, B-010a, Rm 213, Beltsville, MD 20705, USA bCollege of Agriculture, Hasanuddin University, Jl. Perintis Kemerdekaan Km 10, Makassar 90245, Indonesia cFaculty of Agriculture, Food and Natural Resources, The University of Sydney, NSW 2006, Australia dDepartment of Botany, Latrobe University, VIC 3086, Australia eBiotechnology Research Institute for Estate Crops, Jl. Taman Kencan 1, P.O. Box 179, Bogor 16151, Indonesia fMars Australia, P.O. Box 633, Ballarat, VIC 3353, Australia gNorth Carolina State University, Department of Plant Pathology, Center for Integrated Fungal Research, 851 Main Campus Drive, Raleigh, NC 27606, USA article info abstract Article history: Vascular Streak Dieback (VSD) disease of cacao (Theobroma cacao) in Southeast Asia and Received 10 November 2010 Melanesia is caused by a basidiomycete (Ceratobasidiales) fungus Oncobasidium theobromae Received in revised form (syn. ¼Thanatephorus theobromae). The most characteristic symptoms of the disease are 25 May 2011 green-spotted leaf chlorosis or, commonly since about 2004, necrotic blotches, followed Accepted 15 July 2011 by senescence of leaves beginning on the second or third flush behind the shoot apex, Available online 23 July 2011 and blackening of infected xylem in the vascular traces at the leaf scars resulting from Corresponding Editor: Brenda Diana the abscission of infected leaves.
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