Short communication Response of 18 rice (Oryza sativa L.) lines against blast within the poorly-rainy season
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Abstract
evaluated by taking into account the affected leaf area (AFA)
and infection percentages on rice plant panicle neck during
seedling and paniculation stages. Thus, 18 rice lines were sown
in P. grisea-infected beds using a randomized complete experimental
design with three replications and six parental varieties
of those lines as control. Data were processed and analyzed
through comparing correlations and Tukey�??s multiple range
test. Results showed that all rice lines were susceptible to
blast during seedling stage whereas the opposite happened to
panicle neck, since 10 lines (1, 4, 7, 8, 9, 10, 12, 13, 14, and 15)
were tolerant. There was not any significant correlation between
leaf infection and disease occurrence on panicle neck.
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