6-Hydroxy-5,6-dihydrouracils as herbicides

摘要

A 5,6-dihydrouracil compound given by the formula ÄIÜ: wherin, R<1> represents a C1-C2 haloalkyl group and Q represents Q1 of the formula below, etc.: wherein, R<3> is a hydrogen atom or halogen atom, R<15> is a C3-C6 alkynyl group, etc., Z is an oxygen atom, sulfur atom or NH group, and T is a direct bond or methylene group, has an excellent herbicidal efficacy.