| abstract |
An object of the present invention is to provide a plant growth-inhibiting material containing, as a main component, a plant germination-inhibiting substance extracted from Hinoki cypress leaf powder or Hinoki cypress leaves. A leaf powder of a cypress family having a grain diameter of 1 mm or less, or an extract extracted with water from cypress family leaves or a fat-soluble substance extracted from butanol, ethyl acetate, or the like, is sprayed on the surface of a target soil. The germination of plants can be suppressed by mixing with and / or immersing in water. [Selection diagram] None |