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Unformatted text preview: SAR resistance may be short-lived, or last as long as a growing season, and non-specific, but effective. Salicylic acid is particularly effective against some virus infections. Some plants produce the volatile methyl salicylate, which travels through air to both parts of the affected plant and to neighboring plants as a warning. Salicylic acid may also be exported to other parts of the plant initiating defense Pathogen resistant protein (PR) synthesis....
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- Fall '09