YAN Xiao-fang,LIU Qing-hua,WANG Kui-ling.Effect of Plant Growth Regulators and Concentrations on Cutting and Rooting of Taxus media cv.Hicksii[J].Northern Horticulture,2014,38(20):56-62.
不同植物生长调节剂及浓度对曼地亚红豆杉扦插生根的影响
- Title:
- Effect of Plant Growth Regulators and Concentrations on Cutting and Rooting of Taxus media cv.Hicksii
- 文章编号:
- 1001-0009（2014）20-0056-07
- 分类号:
- S 685.99
- 文献标志码:
- A
- 摘要:
- 以曼地亚红豆杉1年生半木质化嫩枝插穗为试材，研究了4种不同植物生长调节剂（IBA、ABT1、NAA、IAA）和4种不同浓度处理（100 mg/L浸泡1 h、300 mg/L浸泡0.5 h、500 mg/L速蘸5 s和700 mg/L速蘸5 s）对曼地亚红豆杉扦插生根的影响。结果表明：NAA处理时，成活指标以700 mg/L NAA速蘸5 s处理效果最好，生长指标以100 mg/L NAA浸泡1 h处理效果最好；IAA处理时，成活指标以300 mg/L IAA浸泡0.5 h为最佳，生长指标以500 mg/L IAA速蘸5 s为最优；ABT1处理时，100 mg/L ABT1浸泡1 h处理生根效果最好；IBA处理时，300 mg/L IBA浸泡0.5 h处理生根效果最好，700 mg/L速蘸5 s时平均梢长最长；不同植物生长调节剂种类和浓度处理会不同程度的影响曼地亚红豆杉扦插生根的效果，不同生长调节剂种类对扦插生根效果影响显著，浓度处理对生根效果无显著影响。
- Abstract:
- Using the Taxus media cv.Hicksii semi-woody softwood as materials,the effect of four plant growth regulators (IBA,ABT1,NAA and IAA) and four different concentrations treatments(100 mg/L soak 1 hour,300 mg/L soak 0.5 hour,500 mg/L quick dipping 5 seconds,700 mg/L quick dipping 5 seconds) on cutting and rooting conditions of survival index and growth index were studied.The results showed that the best effective treatment for NAA on survival index and growth index were NAA 700 mg/L (quickly dipped in 5 seconds for the softwood cuttings),and 100 mg/L (dipped for 1 hour for the softwood cuttings),separately；the rooting conditions about survival index and growth index were the best when treated with IAA 300 mg/L (dipped in 0.5 h for the softwood cuttings) and 500 mg/L (quickly dipped in 5 seconds for the softwood cuttings),separately；the optimized combinations for ABT1 treatment were 100 mg/L (dipped in 1 hour for the softwood cuttings)；the IBA treatment had the best effectiveness on rooting conditions with 300 mg/L (dipped in 0.5 hour for the softwood cuttings),and the longest average tip length was treated with 700 mg/L (quickly dipped in 5 seconds for the softwood cuttings)；different plant growth regulators and concentrations had great effect on the cuttings rooting results.Different plant growth regulators had obvious significances on rooting of Taxus media cv.Hicksii,but had not obvious significances among different concentrations.
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备注/Memo
第一作者简介：阎小芳（1986-），女，硕士研究生，研究方向为园林植物与观赏园艺。E-mail：yanxiaofang422@163.com.
责任作者：刘庆华（1962-），男，博士，教授，研究方向为园林植物种质资源与创新。E-mail：lqh6205@163.com.
基金项目：山东省农业良种工程资助项目（鲁科农字[2011]167号）。
收稿日期：2014-05-22