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Rice Leaf Scald: Pathogen Biology and Diversity

  • H. C. Turner
  • R. Black
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  • 377 Downloads

Abstract

Rice leaf scald is caused by the fungal pathogen Monographella albescens (Thüm) Parkinson, Sivanesan and Booth (anamorph Gerlachia oryzae (Hashioka and Yokogi) W. Gams). It is a disease that can be found throughout virtually all of the rice growing regions of the world (International Mycological Institute, 1996). Under favourable climatic and cultural conditions, M. albescens can pose a serious threat to rice production and is often ranked in the first three or four fungal constraints for a region, along with blast (Magnaporthe grisea), sheath blight (Rhizoctonia spp.) and brown spot (Helminthosporium oryzae) (Jones et al., 1991; Alam et al.,1985; Cuevas-Perez and Gaona, 1988; Kempf, 1983; Prabhu and Sitarama-Prabhu, 1989). Incidence of infection in an area can reach high levels under favourable conditions, resulting in significant loss of yield, such as the 23.4% yield reduction reported in India by Srinivasan (1981).

Keywords

International Rice Research Institute Sheath Blight Rice Leaf Rice Accession Necrotic Zone 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media Dordrecht 2001

Authors and Affiliations

  • H. C. Turner
    • 1
  • R. Black
    • 1
  1. 1.Natural Resources InstituteUniversity of GreenwichKentUK

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