| 摘要 |
A fungicide product comprising microcapsules containing a phytotoxic compound of the formula: where X is -0- or -S- and R is alkyl, alkoxy, alkylamino, halo, nitro or hydrogen wherein the alkyl group or radical has from 1 to 6 carbon atoms, said microcapsules having walls of a resinous polycondensate selected from the group consisting of crosslinked polyurea, crosslinked polyamide and crosslinked polyamide-polyurea wherein the degree of crosslinking ranges from about 25 to 100%, said walls being about 10 to about 30% of the total weight of said microcapsules, and said microcapsules having an average size ranging from about 7 to;. about 25 microns in diameter. |
