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Rice sheath rot : an emerging ubiquitous destructive disease complex

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Abstract
Around one century ago, a rice disease characterized mainly by rotting of sheaths was reported in Taiwan. The causal agent was identified as Acrocylihdrium oryzae, later known as Sarocladium oryzae. Since then it has become clear that various other organisms can cause similar disease symptoms, including Fusarium sp. and fluorescent pseudomonads. These organisms have in common that they produce a range of phytotoxins that induce necrosis in plants. The same agents also cause grain discoloration, chaffiness, and sterility and are all seed-transmitted. Rice sheath rot disease symptoms are found in all rice growing areas of the world. The disease is now getting momentum and is considered as an important emerging rice production threat. The disease can lead to variable yield losses, which can be as high as 85%. This review aims at improving our understanding of the disease etiology of rice sheath rot and mainly deals with the three most reported rice sheath rot pathogens: S. oryzae, the Fusarium fujikuroi complex, and Pseudomonas fuscovaginae. Causal agents, pathogenicity determinants, interactions among the various pathogens, epidemiology, geographical distribution, and control options will be discussed.
Keywords
sheath rot, phytotoxins, grain discoloration, Rice, Sarocladium oryzae, Pseudomonas fuscovaginae, fumonisins, Fusarium fujikuroi complex, PATHOGEN PSEUDOMONAS-FUSCOVAGINAE, GRAMINIS VAR.-GRAMINIS, FUNGUS SAROCLADIUM-ORYZAE, MEMBRANE H+-ATPASE, AVENAE SSP-AVENAE, PCR-BASED METHOD, ACIDOVORAX-AVENAE, GAEUMANNOMYCES-GRAMINIS, FUSARIUM-PROLIFERATUM, BURKHOLDERIA-GLUMAE

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Chicago
Bigirimana, Vincent de Paul, Hoang Gia Khuong Hua, Obedi  Ishibwela Nyamangyoku, and Monica Höfte. 2015. “Rice Sheath Rot : an Emerging Ubiquitous Destructive Disease Complex.” Frontiers in Plant Science 6.
APA
Bigirimana, V. de P., Hua, H. G. K., Nyamangyoku, O. I., & Höfte, M. (2015). Rice sheath rot : an emerging ubiquitous destructive disease complex. FRONTIERS IN PLANT SCIENCE, 6.
Vancouver
1.
Bigirimana V de P, Hua HGK, Nyamangyoku OI, Höfte M. Rice sheath rot : an emerging ubiquitous destructive disease complex. FRONTIERS IN PLANT SCIENCE. 2015;6.
MLA
Bigirimana, Vincent de Paul et al. “Rice Sheath Rot : an Emerging Ubiquitous Destructive Disease Complex.” FRONTIERS IN PLANT SCIENCE 6 (2015): n. pag. Print.
@article{7023160,
  abstract     = {Around one century ago, a rice disease characterized mainly by rotting of sheaths was reported in Taiwan. The causal agent was identified as Acrocylihdrium oryzae, later known as Sarocladium oryzae. Since then it has become clear that various other organisms can cause similar disease symptoms, including Fusarium sp. and fluorescent pseudomonads. These organisms have in common that they produce a range of phytotoxins that induce necrosis in plants. The same agents also cause grain discoloration, chaffiness, and sterility and are all seed-transmitted. Rice sheath rot disease symptoms are found in all rice growing areas of the world. The disease is now getting momentum and is considered as an important emerging rice production threat. The disease can lead to variable yield losses, which can be as high as 85%. This review aims at improving our understanding of the disease etiology of rice sheath rot and mainly deals with the three most reported rice sheath rot pathogens: S. oryzae, the Fusarium fujikuroi complex, and Pseudomonas fuscovaginae. Causal agents, pathogenicity determinants, interactions among the various pathogens, epidemiology, geographical distribution, and control options will be discussed.},
  articleno    = {1066},
  author       = {Bigirimana, Vincent de Paul and Hua, Hoang Gia Khuong and  Nyamangyoku, Obedi  Ishibwela and Höfte, Monica},
  issn         = {1664-462X},
  journal      = {FRONTIERS IN PLANT SCIENCE},
  keywords     = {sheath rot,phytotoxins,grain discoloration,Rice,Sarocladium oryzae,Pseudomonas fuscovaginae,fumonisins,Fusarium fujikuroi complex,PATHOGEN PSEUDOMONAS-FUSCOVAGINAE,GRAMINIS VAR.-GRAMINIS,FUNGUS SAROCLADIUM-ORYZAE,MEMBRANE H+-ATPASE,AVENAE SSP-AVENAE,PCR-BASED METHOD,ACIDOVORAX-AVENAE,GAEUMANNOMYCES-GRAMINIS,FUSARIUM-PROLIFERATUM,BURKHOLDERIA-GLUMAE},
  language     = {eng},
  pages        = {16},
  title        = {Rice sheath rot : an emerging ubiquitous destructive disease complex},
  url          = {http://dx.doi.org/10.3389/fpls.2015.01066},
  volume       = {6},
  year         = {2015},
}

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