DB43/T2696—2023 43 湖 南 省 地 方 标 准ICS CCS 67.080.20 B 31 发 布 湖南省市场监督管理局油后直播棉田杂草综合防控技术规程 2023-08发布-22 2023-11实施-22Technical regulation for integrated weed control of direct-seeded cotton after rape DB43/T 2696—2023 I 目 次 前言 ································ ································ ································ ·························· Ⅲ 1 范围 ································ ································ ································ ······················ 1 2 规范性引用文件 ································ ································ ································ ······· 1 3 术语和定义 ································ ································ ································ ············· 1 4 防控原则 ································ ································ ································ ················ 1 5 主要杂草 ································ ································ ································ ················ 1 5.1 禾本科 ································ ································ ································ ············ 1 5.2 阔叶 ································ ································ ································ ··············· 1 5.3 莎草科 ································ ································ ································ ············ 1 6 防控技术 ································ ································ ································ ················ 2 6.1 播前除杂 ································ ································ ································ ········ 2 6.2 苗前处理 ································ ································ ································ ········ 2 6.3 苗后除草 ································ ································ ································ ········ 2 7 药害预防 ································ ································ ································ ················ 2 8 档案与管理 ································ ································ ································ ············· 2 8.1 生产档案 ································ ································ ································ ········ 2 8.2 档案管理 ································ ································ ································ ········ 2 附录A（资料性） 油后直播棉田禾本科杂草图谱 ································ ······························· 3 A.1 马唐 ································ ································ ································ ··············· 3 A.2 牛筋草 ································ ································ ································ ············ 3 A.3 稗 ································ ································ ································ ·················· 4 A.4 千金子 ································ ································ ································ ············ 4 A.5 狗牙根 ································ ································ ································ ············ 4 A.6 狗尾草 ································ ································ ································ ············ 5 附录B（资料性） 油后直播棉田阔叶杂草图谱 ································ ································ ·· 6 B.1 铁苋菜 ································ ································ ································ ············ 6 B.2 反枝苋 ································ ································ ································ ············ 6 B.3 马齿苋 ································ ································ ································ ············ 6 B.4 小飞蓬 ································ ································ ································ ············ 7 B.5 鳢肠 ································ ································ ································ ··············· 7 B.6 龙葵 ································ ·····························