JIN Fang-lun,ZHOU Guang-ping,LI Ming,et al.Effect of Different Diameters of Root Stock on Growth and Development of Citrus Grafting Seedling[J].Northern Horticulture,2013,37(22):18-22.
不同直径砧木对柑橘嫁接苗生长发育的影响
- Title:
- Effect of Different Diameters of Root Stock on Growth and Development of Citrus Grafting Seedling
- 文章编号:
- 1001-0009(2013)22-0018-05
- Keywords:
- root stock; citrus seedling; diameter; graft seedling; growth; development
- 分类号:
- S 666
- 文献标志码:
- A
- 摘要:
- 以枳壳苗上嫁接的1 a生纽荷尔脐橙苗为试材，研究了不同直径砧木对柑橘苗生长发育的影响，以期为培育柑橘优质苗木提供理论依据，并为制定科学的管理措施提供参考。结果表明：较大的砧木能够促进苗木高度生长、主根生长和春梢段长度，调节苗木抽二次梢、三次梢、四次梢、二至四次梢的生长量、叶片数、发生量和节间长度，以及嫁接苗当年抽新梢的总生长量和新梢总叶片数量等指标；砧木越粗，其嫁接苗的高度越高，主根长度越长，春梢段越长；对其它指标的影响趋势为砧木直径3.0～7.0 mm处理的效果呈上升趋势，7.0～11.0 mm处理的效果呈下降趋势。在繁殖优质柑橘苗木中，建议首先使用砧木直径为6.0～8.0 mm为好，其次选用直径5.0～6.0 mm和8.0～9.0 mm的砧木。
- Abstract:
- Taking one-year-old new hall navel orange seedling that grafted onto Fructus aurantii as material,the effect of different diameters of root stock on growth and development of citrus were studied,in order to provide high-quality nursery stock cultivation citrus with theoretical basis and provide reference for scientific management measures.The results showed that the larger root stock could promote growth of seedling height,length of mainroot and spring tip length,regulate born of secondary tip,third tip,fouth tip,growth of second to forth tip of seedling,leaf number,tip number and length of internode,and the total new born tip increment and leaf number of grafted seedling the same year,etc;the higher the root stock,the higher the seedling,and the higher the grafting seedling,the longer the length of mainroot,and the longer the spring wood;to other index,it showed increasing trend when graft diameter was 3.0～7.0 mm,and showed decreasing trend when graft diameter was 7.0～11.0 mm.Considering on breeding high-quality citrus seedling using root stock,it suggested the first to select the root stock diameter was 6.0~8.0 mm,then selected the diameter 5.0~6.0 mm and 8.0~9.0 mm root stock.
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备注/Memo
第一作者简介：金方伦(1964-)，男，本科，高级农艺师，现主要从事果树学研究工作。E-mail：jfl2016@163.com.
收稿日期：2013-08-06