| 摘要 |
Solutions of basic salts of 6,7-dihydrobenzoquinolizinecarboxylic acid derivatives of formula <IMAGE> in which Y is chosen from the set consisting of a lower alkyl, lower alkoxy, halo, hydroxyl, nitro, cyano, trifluoromethyl, amino, lower alkanamido, trifluoroacetamido and lower N,N-dialkylamino radical; each R is chosen from the set consisting of a methyl, ethyl or trifluoromethyl radical; n is an integer with a value 0 to 2, and when n has the value 2, Y can be a methylenedioxy or ethylenedioxy radical fixed to adjacent positions of the ring; m is an integer with a value 0 to 2 and when R is a trifluoromethyl radical, m has the value 1, for their use in the treatment of plant seeds. Application to the treatment of plant seeds, process for the treatment of the said seeds and seeds thus treated.
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