volume 71, issue 2, P239-244 2012
DOI: 10.1590/s0006-87052012000200013
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Abstract: AbstractBlast, caused by the fungus Pyricularia oryzae, is the most important fungal disease of rice. The effect of silicon (Si) and manganese (Mn), and their interaction, on rice resistance to blast was investigated. Rice plants (cultivar "Metica 1") were grown in hydroponic solution with 0 or 2 mmol L -1 of Si and with 0.5, 2.5, and 10 mmol L -1 of Mn. Sixty-day-old plants were inoculated with a conidial suspension of P. oryzae and the incubation period (IP), the number of lesions (NL) per cm 2 of leaf area…

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