| 摘要 |
A method of treatment or control of diseases of rice plants comprising contacting the plants, and the seeds thereof with an effective amount of a compound of the formula: <IMAGE> or a non-phytotoxic acid addition salt thereof, wherein each of X and Y completes a saturated or unsaturated pyrrolo- or pyrido-ring; X and Y may each be substituted with up to two substituents selected from halo, lower alkyl, phenyl, oxo or thio; AND R is hydrogen, lower akyl, lower alkoxy, lower alkanoyl, benzoyl, hydroxy, lower alkanoyloxy, cyano, or halo; and Z is hydrogen or halo.
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