YU Yan-ping,HAN Shan-feng,ZHAO Deng-chao,et al.Effect of Different Softwood Cutting Treatments on the Tissue Regenerating Ability of Juglans regia ’Xiangling’[J].Northern Horticulture,2013,37(17):91-94.
嫩枝扦插不同处理对“香玲”核桃组织再生能力的影响
- Title:
- Effect of Different Softwood Cutting Treatments on the Tissue Regenerating Ability of Juglans regia ’Xiangling’
- 文章编号:
- 1001-0009(2013)17-0091-04
- Keywords:
- Juglans regia; softwood cutting; callus; IBA
- 分类号:
- S 664.1
- 文献标志码:
- A
- 摘要:
- 以5 a生“香玲”核桃为试材，在全光照间歇自动喷雾、细沙基质条件下，研究了扦插时间、不同外源生长调节剂种类及浓度对“香玲”核桃嫩枝组织再生特性的影响。结果表明：在核桃迅速生长的5~8月份，以7月上旬扦插效果最好；IBA处理较2,4-D处理对核桃嫩枝愈伤组织的产生更为显著，且以IBA浓度900~1 200 mg/kg时效果最好，其中IBA 900、1 500 mg/kg的处理均能诱导插穗分化出根系；不同浓度的IBA处理对插穗内源激素的含量亦有显著影响。
- Abstract:
- Taking 5-year-old Juglans regia’Xiangling’ as material,the effect of different hormones and different times on its tissue regenerating ability were studied under the full sunlight and automatic intermittent spraying conditions.The results showed that walnut grew rapidly from May to August,and the cutting effect in early July was the best.IBA treatment was better than 2,4-D treatment for callus induction.IBA 900~1 200 mg/kg was the most optimal concentration,what’s more,IBA 900,1 500 mg/kg can induce to grow roots.Different concentrations of IBA treatments had a significant impact on endogenous plant hormones levels in hardwood.
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备注/Memo
第一作者简介：于艳萍（1988-），女，山东临沂人，硕士研究生，研究方向为植物生理与分子生物学。
责任作者：侯立群（1959-），男，博士，研究员，现主要从事经济林木育种与栽培技术研究。E-mail:lqhou@163.com.
基金项目：国家林业公益性行业科研专项资助项目（201004009-3）；
山东省农业良种工程资助项目（2010LZ10-03；2011LZ10-03）。
收稿日期：2013-04-10