ICS65.020.20 B23DB44 广东省地方标准 DB44/TXXXXX—XXXX 甘薯健康种苗生产技术规程 Technicalregulationfortheproductionofsweetpotatohealthyseedlings （报批稿） （本稿完成日期：2024-11-30） XXXX-XX-XX发布 XXXX-XX-XX实施 广东省市场监督管理局发布DB44/TXXXX—XXXX I目次 前言..................................................................................................................................................................II 1范围.....................................................................................................................................................................3 2规范性引用文件.................................................................................................................................................3 3术语和定义.........................................................................................................................................................3 3.1甘薯健康种苗.......................................................................................................................................3 4脱毒种苗繁培育.................................................................................................................................................3 4.1品种选择..................................................................................................................................................3 4.2茎尖材料准备..........................................................................................................................................3 4.3卫生要求..................................................................................................................................................4 4.4茎尖苗培育..............................................................................................................................................4 4.5脱毒茎尖苗扩繁.....................................................................................................................................5 5脱毒种苗温网室繁育........................................................................................................................................5 5.1苗圃准备..................................................................................................................................................5 5.2移栽时间..................................................................................................................................................5 5.3脱毒茎尖苗准备.....................................................................................................................................5 5.4脱毒茎尖苗移栽.....................................................................................................................................5 5.5表型与生产力鉴定.................................................................................................................................5 5.6温网室管理..............................................................................................................................................5 6脱毒种薯种苗大田繁育....................................................................................................................................5 6.1脱毒茎尖苗..............................................................................................................................................5 6.2原种苗......................................................................................................................................................6 6.3脱毒种薯..................................................................................................................................................6 6.4种薯贮藏..................................................................................................................................................6 6.5质量控制..................................................................................................................................................6 7脱毒健康种苗扩繁...............................................................................................................