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Silicon control of bacterial and viral diseases in plants

Nachaat Sakr*

Department of Agriculture, Atomic Energy Commission of Syria (AECS), P.O. Box 6091, Damascus, Syria

*Corresponding address:
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Received: August 1, 2016
Accepted: October 20, 2016

Abstract: Silicon plays an important role in providing tolerance to various abiotic stresses and augmenting plant resistance against diseases. However, there is a paucity of reports about the effect of silicon on bacterial and viral pathogens of plants. In general, the effect of silicon on plant resistance against bacterial diseases is considered to be due to either physical defense or increased biochemical defense. In this study, the interaction between silicon foliar or soil-treatments and reduced bacterial and viral severity was reviewed. The current review explains the agricultural importance of silicon in plants, refers to the control of bacterial pathogens in different crop plants by silicon application, and underlines the different mechanisms of silicon-enhanced resistance. A section about the effect of silicon in decreasing viral disease intensity was highlighted. By combining the data presented in this study, a better comprehension of the complex interaction between silicon foliar- or soil-applications and bacterial and viral plant diseases could be achieved.

Key words: biochemical defense, foliar spray, physical defense, soil amendment

Full article (pdf)

 
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