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Phylogenetic tree of Pythium isolates from this study and previously characterised Pythium spp. based on DNA sequence analysis of the region encompassing ITS I, 5.8S rDNA and ITS II. The numbers at each branch point are bootstrap values following resampling of the data 1000 times. 

Phylogenetic tree of Pythium isolates from this study and previously characterised Pythium spp. based on DNA sequence analysis of the region encompassing ITS I, 5.8S rDNA and ITS II. The numbers at each branch point are bootstrap values following resampling of the data 1000 times. 

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Table beet production in the Lockyer Valley of south-eastern Queensland is known to be adversely affected by soilborne root disease from infection by Pythium spp. However, little is known regarding the species or genotypes that are the causal agents of both pre- and post-emergence damping off. Based on RFLP analysis with HhaI, Hinfl and MboI of the...

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Context 1
... DNA sequences for all six Pythium genotypes (LVP A-F) were aligned with the corresponding sequences for 18 other Pythium spp. of interest and Phytophthora cinnamomi, these sequences being obtained from the public database (http://www.ncbi.nlm.nih.gov). A phylogenetic tree based on the aligned sequences was constructed (Fig. 2). Overall, the pool of Pythium isolates from diseased plant and soil samples described in this study was widely dispersed among this group of phylogenetically divergent, previously characterised Pythium ...

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