| 摘要 |
<p>Stem and/or leaf desiccant comprises a pyrimidinylphenoxy derivative (I). Stem and/or leaf desiccant comprises a pyrimidinylphenoxy derivative of formula (I). [Image] X : CN or N; Z : halo; A : O, S or NH; Alk : 1-7C alkyl; R 1OH, OAlk, 3-7C alkenyloxy, 3-7C alkynyloxy, 5-7C cycloalkyloxy, COOAlk-1-3C alkoxy, ONHAlk, ON(Alk) 2, 3-7C cycloalkylideneaminoxy, NHAlk, N(Alk) 2, 3-7C cycloalkenylamino, 3-7C cycloalkynylamino, 5-7C cycloalkylamino, COOAlk-1-3C alkylamino or NHOAlk; R 3H, halo, 1-3C alkyl or 1-3C alkoxy; and R 2H, methyl. ACTIVITY : Desiccant. In tests methyl [2-{2-chloro-4-fluoro-5-[3-methyl-2,6-dioxo-4-(trifluoromethyl)-1,2,3,6-tetrahydropyrimidin-1-yl]phenoxy}phenoxy]acetate at 10 g/ha caused 100% desiccation of 'shagaimo' leaves and stems. MECHANISM OF ACTION : None given.</p> |
