文献类型: 中文期刊
关键词: 苹果;试管嫁接苗
期刊名称: 果树科学
ISSN: 10017364
年卷期: 1996 年 02 期
页码:
收录情况: 北大核心
摘要: 用苹果试管苗M26作砧木,‘Gala’作接穗,成功地获得试管嫁接苗。嫁接苗在MS液体纸桥培养基上的生长量与嫁接成活率显著高于MS固体培养基。但是,液体培养基导致砧木基部膨大,形成玻璃苗。随BAP浓度升高,嫁接部位愈伤组织形成快、成活率高,接穗生长量明显增加。过高浓度的BAP(≥0.8mg·1~(-1)),诱导砧木侧枝大量形成、砧木基部膨大、产生玻璃苗,并且显著降低砧木的生根力。试管嫁接苗建立阶段最适的BAP浓度为0.4mg·1~(-1)。试管嫁接苗的生根力随IBA浓度升高而显著提高,在1.0mg·1~(-1)浓度时达最适水平。IBA浓度对试管嫁接苗接穗生长的影响与生根力是一致的。
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