Phylogeny of Phytophthora and Phytopythium species associated with rice in Fars province (Iran)

Authors

  • Fatemeh Salmaninezhad MSc Graduate, Department of Plant Protection, School of Agriculture, Shiraz University, Shiraz 7144165186, Iran
Abstract:

In order to investigate the Oomyceteous species of the rice paddy fields of Fars province (Iran), during 2013–15, infected roots and crowns together with soil around seedlings and irrigation water were sampled. Based on the morphological, morphometric and physiological studies along with phylogenetic analyses of internal transcribed spacer sequences based on neighbor joining method, two Phytophthora species from Clades 6 and 8, including P. inundata,and P. pseudocryptogea and three Phytopythium species from a distinct clade, including Phpy. litorale, Phpy. ostracodes, and Phpy. sterile were identified. Phytopythium litorale,and Phpy. sterile were distinguished through morphological studies along with phylogenetic analysis. Phytopythium sterile was also new to the Oomyceteous mycobiota of Iran. All species were reported for the first time in the world from rice rhizosphere.

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Journal title

volume 18  issue 1

pages  1- 15

publication date 2017-09-21

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