旱生花卉鹅掌柴·月季不定根水培诱导试验.pdfVIP

安徽农业科学，Journal ofAnhui Agri．Sci．2007，35(35)：11420—11421，11427 责任编辑 金琼琼 责任校对 王淼 旱生花卉鹅掌柴·月季不定根水培诱导试验 董必慧，杨琳 (盐城师范学院生命科学与技术学院，江苏盐城224002) 摘要 【目的1探索旱生花卉不定根的诱导方法。f方法1以1年生鹅掌柴、月季枝条为材料，以植株生根率、生长状况为指标，以清水为 对照，利用植物普遍存在的生态适应性，采用先进的人工环境模拟控制技术，进行水培试验，探讨不同浓度的4种植物生长调节剂对 旱生花卉不定根诱导的影响。f结果1各生长调节剂对插穗不定根的诱导均具有促进作用，其中生根灵对鹅掌柴效果较为显著，生根 率比对照组和IBA、NAA各浓度激素处理的插穗高3O％。而且价格比IBA、NAA便宜，从生产角度上来看，生根灵为首选；5mg／L IBA、NAA和10 mg／LIBA对月季的促进作用高于其他激素浓度处理，生根率比对照高出30％。『结论1水培诱导旱生花卉不定根比土 培具有明显优势。花卉水培不定根的诱导时间是影响插穗成活和生根的关键因素。 关键词 鹅掌柴；月季；水培试验；不定根诱导 中图分类号 Q945．78 文献标识码 A 文章编号 O517—661l(2007)35一l1420—02 ExperimentonInducingtheAdventitiousRootofXeromorphicFlowersofScheffleraoctophyllaandChinarosebyHydroponicCulture DoNG Bi-hui et al (School of Life Science and Technology，Yancheng Teachers University，Yancheng，Jiangsu，224002) Abstract f0biective]The purpose of the study was to seek after the inducing method of the adventitious root of xemmorphic flowers．『Method1 In the hydroponics experiment．With branches of 1-year-old Schefflera octophylla and China rose as materials，the rooting rate and growth status of plant as indices，clear water as CK，the influences of 4 kinds of growth regulator with different concentrations on the adventitious root inducement of xeromorphic flowers were discussed through applying the ecological adaptability of plant and using advanced simulation control technique of artifieial environment．『Result1 The regulators all had promoting effect on the inducement of adventitious roots in both S octophylla and C rose，in which the effect of rooting powder on S octophylla was more significant，with rooting rate being 30％higher than CK group，IBA and NAA with different concentrations，and price being cheaper than IBA and NAA．Rooting powder was the first choice from the view of production．The promoting effect of 5 mg／L IBA．NAA and 10 mg／L IBA on C rose was higher than in the treatments with the other hormone concen~a