| 摘要 |
A plant growth regulator containing as an active ingredient one or more compounds represented by the formula <IMAGE> wherein R, X, Y and Z are defined in the specification is disclosed. The plant growth regulator is effective for a wide variety of plants, particularly for grassy plants. In addition to such activity, the regulator of this invention acts on plants to thicken the foliage and to aid health growth without causing substantial phytotoxicity. |
