@ARTICLE{TreeBASE2Ref24073, author = {Duy Phu Le and Mike Kevin Smith and Elizabeth Aitken}, title = {Pythiogeton ramosum, a new pathogen of soft rot disease of ginger (Zingiber officinale) at high temperatures in Australia}, year = {2015}, keywords = {Pythiaceae, zoospores, narrow hyphae, isolation, cultivation, host range }, doi = {}, url = {http://}, pmid = {}, journal = {European Journal of Plant Pathology}, volume = {}, number = {}, pages = {}, abstract = {Pathogenicity tests in Petri dishes conducted on ginger rhizomes and pot trials on ginger plants showed that Pythiogeton (Py.) ramosum, an uncommon studied Oomycetes in Pythiaceae, was pathogenic to ginger at high temperature (30-35? C). Ginger sticks excised from the rhizomes were colonised by Py. ramosum which caused soft rot and browning lesions. Ginger plants inoculated with Py. ramosum showed initial symptoms of wilting and leave yellowing, which were indistinguishable from those of Pythium soft rot of ginger, at 10 DAI. In addition, morphological and phylogenetic studies indicated that isolates of Py. ramosum were quite variable and our isolates obtained from soft rot ginger were divided into two groups based on these variations. This is also for the first time Py. ramosum reported as a pathogen on ginger at high temperatures.} }

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