| 摘要 |
This invention relates to a method of regulating the growth of leguminous plants which comprises applying to the plant locus a plant growth regulating effective amount of a compound having the general formula <CHEM> wherein X is selected from the group consisting of oxygen, sulfur and -NH; R is hydrogen, halogen or lower alkyl; R1 is selected from the group consisting of <CHEM> <CHEM> and CN; R2 is selected from the group consisting of hydrogen, lower alkyl and agriculturally acceptable cations; R3 and R4 are independently selected from the group consisting of hydrogen and lower alkyl; and n is an integer from 1 to 3, with the proviso that when R1 is <CHEM> n cannot be 2. This invention also relates to a plant growth regulating composition which comprises from about 5 to about 95 parts by weight of a compound having the above general formula, the remaining parts being comprised of one or more suitable adjuvants, carriers and/or diluents. |
