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不同浓度NAA和IBA处理对海桐扦插生根的影响
引用本文:米银法,宋乾江,李巍.不同浓度NAA和IBA处理对海桐扦插生根的影响[J].山东农业科学,2011(8):44-47.
作者姓名:米银法  宋乾江  李巍
作者单位:河南科技大学林学院,河南洛阳,471003
基金项目:河南科技大学博士科研基金项目(09001473)
摘    要:选用两种基质配方即腐叶土:珍珠岩=1∶1和椰壳∶田园土∶腐熟有机肥=1∶1∶1.用不同浓度的吲哚丁酸(IBA)或萘乙酸(NAA)处理海桐插穗,盆钵扦插,研究了两种激素不同处理对其生根效应的影响.结果表明:50 mg/L IBA或NAA浸泡3h,采用腐叶土∶珍珠岩=1∶1的基质进行扦插效果最好,其生根率均达87%,较对照...

关 键 词:海桐  扦插  IBA  NAA

Effects of Different Concentrations of NAA and IBA on Cutting Rooting of Pittosporum tobira
MI Yin-fa,SONG Qian-jiang,LI Wei.Effects of Different Concentrations of NAA and IBA on Cutting Rooting of Pittosporum tobira[J].Shandong Agricultural Sciences,2011(8):44-47.
Authors:MI Yin-fa  SONG Qian-jiang  LI Wei
Institution:MI Yin-fa,SONG Qian-jiang,LI Wei (Forestry College of Henan University of Science and Technology,Luoyang 471003,China)
Abstract:In this study,two kinds of substrate formula were selected for cutting of Pittosporum tobira,which were perlite and turfy soil mixed according to 1∶1,coconut shell + rural soil + organic compost mixed according to 1∶1∶1.The effects of different concentrations of IBA and NAA on rooting of Pittosporum tobira were studied on the two substrates.The results showed that the cutting effect was the best when soaked with 50 mg/L IBA and NAA for three hours and cultured on the substrate with perlite and turfy.The rooting rate could reach 87% and was 136~138% more than that of the check;the rooting time was also the shortest,which was 23 days and 10 days earlier than that of the check.
Keywords:Pittosporum tobira  cutting  IBA  NAA  
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