| 摘要 |
A compound for controlling Take-all disease of plants by applying, preferably to the seed prior to planting, a fungicide of formula (I) wherein R<2> is ethyl, iso-propyl, propyl or allyl; A is N(CH3)1-nHnR<5> or OR<6> wherein n is 0 or 1, R<5> is (CH3)m(CH3CH2)3-mC, 1-methylcyclopentyl, 1-methylcyclohexyl or 2,3-dimethyl-2-butyl wherein m is 0, 1, 2 or 3 and R<6> is independently R<5> or 2,3,3-trimethyl-2-butyl; R<3> is H or independently R<4>; and R<4> is halo or CH3; with the proviso that when A is N(CH3)1-nHnR<5>, if R<3> is H and R<5> is 1-methyl-1-cyclohexyl or (CH3)m(CH2CH3)3-mC, where m is 0 or 3, or if R<3> is halo and R<5> is (CH3)m(CH3CH2)3-mC, where m is 3, then R<2> cannot be ethyl; and with the proviso that when A is OR<6> then m is equal to or less than 2, and if R<3> is H or halo and R<2> is ethyl or isopropyl, then R<6> is (CH3)m(CH3CH2)3-mC where m is 1; or an agronomic salt thereof compositions, method of use and processes of preparation therefor.
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