Control of Rhizoctonia Sheath Blight and Other Diseases of Rice by Seed Bacterization

  • T. W. Mew
  • A. M. Rosales
Part of the NATO ASI Series book series (NSSA, volume 230)


Rice (Oryza sativa L.) occupies a position of major importance in the global food system. It is the staple food for half the world’s population. In Asia more farmers are engaged in rice production than in any other single activity, and as such, rice has been woven into the social and economic fabric of life in Asia. Conversely, short supplies in rice production cause malnutrition and hunger. Rice is grown in a wide range of environments that cover water regimes of deficit, optimum and excess, temperature regimes of high, optimum and low, and topographies of flat and undulating. In general, rice is grouped according to water regimes in five broad ecosystems (International Rice Research Institute). Rice crop intensity relates to cultivation of rice in the same field as double or single rice crop, and a rice-based cropping system. In the tropics when water supply is adequate and assured, continuous rice cropping with at least three crops of rice is possible (De Datta, 1981). Diseases are very diverse in prevalence and importance in such complex ecosystems. There is no single control tactics applicable to all in all ecosystems.


Biological Control Biocontrol Agent Rhizoctonia Solani International Rice Research Institute Sheath Blight 
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 New York 1992

Authors and Affiliations

  • T. W. Mew
    • 1
  • A. M. Rosales
    • 1
  1. 1.The International Rice Research Institute (IRRI)ManilaPhilippines

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