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角蒿和铁线莲的矮化试验
李志坚;管开云;李景秀
1.中国科学院昆明植物研究所;2.中国科学院昆明植物研究所 云南昆明650204;3.云南昆明650204
摘要:
为了提高株型较高的毛子草 (Incarvilleaarguta)和半藤本性状的毛茛铁线莲 (Clematisranuncu loides)的观赏价值 ,我们用多效唑、矮壮素和丁酰肼对它们进行了多种矮化处理。试验结果表明每盆用 0 .4g5 0 %多效唑可湿性粉剂施于土壤 ,每两周全株喷 0 .2 5 %的矮壮素并结合打顶可明显抑制第三年生毛子草的株高、花穗和羽状复叶的生长 ,增加了花穗数和花蕾总数 ,开花期比对照延长约 1 0d。每两周全株喷 0 .76%丁酰肼并结合打顶可抑制毛茛铁线莲的枝条生长 ,促进分枝 ,增加花蕾数。对两种植物的矮化均表明矮化处理过的植株对白粉病有较强的抗性
关键词:  角蒿    铁线莲    矮化处理
DOI:
分类号:
Fund project:云南省国际合作经费资助项目 ( 980 0 11)
Abstract:
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