Method of controlling undesired plant growth in rice

Method of controlling undesired plant growth in rice

  • CN 1,202,801 A
  • Filed: 11/04/1996
  • Published: 12/23/1998
  • Est. Priority Date: 11/23/1995
  • Status: Abandoned Application
First Claim
Patent Images

1. method of preventing and treating the noxious plant in the rice crops, this method comprises to cultural area, and noxious plant and rice crops or its seed are contained in this zone, use one or more formula (I) compound or its salt from 0.0001 to 0.5kga.i./ha effective dose R wherein 1Be acyl group, this acyl group is selected from down group group:

  • CO-R 2, CS-R 2, CO-OR 3, CS-OR 3, CO-SR 4, CS-SR 4, CO-NR 5R 6And CS-NR 5R 6, R 2Be H, (C 1-C 6) alkyl, (C 3-C 6) cycloalkyl, (C 3-C 6) cycloalkyl-(C 1-C 4) alkyl, (C 2-C 6) alkenyl or (C 2-C 6) alkynyl, wherein last-mentioned 5 groups respectively are not replace or replaced by one or more group that is selected from down group;

    halogen, (C 1-C 4) alkoxyl, (C 1-C 4) halogenated alkoxy, (C 1-C 4) alkylthio group, (C 1-C 4) halogenated alkylthio, CN, NH 2, single-and two (C 1-C 4) alkyl amino, and under the situation of cyclic group, also can be by (C 1-C 4) alkyl and (C 1-C 4) the haloalkyl replacement, R 3Be a group, this group is selected from R 2Be that possible group group, except that H, R 4Be a group, this group is selected from R 3Be that possible group group, R 5, R 6Be a group independently of each other, this group is selected from R 2Be possible that group group, perhaps group NR 5R 6Be to replace or the saturated or unsaturated heterocycle group of unsubstituted 4-, 5-or 6-unit together, it is bonding on nitrogen-atoms, and it does not contain other heteroatom or contains other heteroatom except nitrogen-atoms, and it is unsubstituted or is replaced by one or more group that is selected from down group;

    (C 1-C 4) alkyl, (C 1-C 4) haloalkyl, halogen, (C 1-C 4) alkoxyl and (C 1-C 4) halogenated alkoxy, X, Y are halogen, (C independently of each other 1-C 6) alkyl, (C 1-C 6) alkoxyl, (C 1-C 6) alkylthio group, wherein last-mentioned three groups respectively are not replace or replaced by one or more group that is selected from down group;

    halogen, (C 1-C 4) alkoxyl and (C 1-C 4) alkylthio group, or (C 3-C 6) cycloalkyl, (C 3-C 6) alkenyl, (C 3-C 6) alkynyl, (C 3-C 6) alkenyloxy or (C 3-C 6) alkynyloxy group, and Z is CH or N.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×