| abstract |
A method for protecting a plant that grows from a seed against a pest, which comprises treating the seed with an effective amount of a phenylsemicarbazone of the formula wherein R 1 and R 2 are each independently hydrogen, halogen, CN, alkyl C1-C4, C1-C4 alkoxy, C1-C4 haloalkyl or C1-C4 haloalkoxy and R 3 is C1-C4 alkoxy, C1-C4 haloalkyl or C1-C4 haloalkoxy, or an agriculturally acceptable salt thereof. |