Role of silicon in the management of rice blast
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Authors
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K.S. HOODA and M.P. SRIVASTAVA
Department of Plant Pathology, CCS Haryana Agricultural University, Hisar 125 004
Keywords:
Blast management, silicon, riceAbstract
During 1992-93, the effect of different silicon sources (burnt rice husk at 200, 400, 600 q/ha, sodium silicate (AR) at 1.25, 2.50 q/ha, sodium silicate (AR) and commercial sodium silicate both at 1.0%) on rice blast (Pyricularia oryzae [Magnaporthegrisea]) development in Haryana, India, was investigated. All applied sources reduced rice blast incidence. Burnt rice husk at 400 q/ha and 1% commercial sodium silicate spray were the most effective and economically viable. All treatments increased cellulose, hemicellulose, silica, total protein, total phenols, 1000-grain weight and yield of rice.
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