WANG Hong-ning,JIA Lin-guang,SHAO Jian-zhu,et al.Analysis of Cold Hardiness of Young Apple Trees with SH40 Dwarf Interstock[J].Northern Horticulture,2013,37(17):16-19.
SH40矮化中间砧苹果幼树抗寒性分析
- Title:
- Analysis of Cold Hardiness of Young Apple Trees with SH40 Dwarf Interstock
- 文章编号:
- 1001-0009(2013)17-0016-04
- 分类号:
- S 661.1
- 文献标志码:
- A
- 摘要:
- 以1、2、3、5 a生SH系中间砧“天红2号”红富士苹果当年生枝条为试材，研究了SH40中间砧不同年龄、不同时期的抗寒性，并对枝条中可溶性蛋白质含量、可溶性糖含量、淀粉含量等生理指标进行了比较测定。结果表明：1、2、3 a生树当年生枝条的抗寒性随树龄的增加显著增强，而3 a与5 a生树间的抗寒性则无显著差异；枝条中可溶性蛋白含量随树龄增大显著升高，但3 a与5 a生树间差异不大；3 a生树的可溶性糖含量显著高于2 a生树，而1 a生树与2、3、5 a生树间差异不显著；枝条内的淀粉含量在不同树龄间无差异。相关分析表明，苹果枝条中可溶性蛋白质含量、可溶性糖含量与抗寒性呈极显著正相关(r=0.828~0.973)，而淀粉含量与抗寒性在隆冬时期呈显著正相关(r=0.909)，萌芽前则相关性不显著。
- Abstract:
- Taking the annual shoots of 1 a,2 a,3 a and 5 a ‘Tianhong 2’ Fuji apple cultivars grafted on SH40 dwarfing interstocks as material,the cold hardiness of different age and period were studied,and some phosiological indexes of soluble protein,soluble sugar and starch contents in branches were compared and determined.The results showed that the cold hardiness was significantly enhanced with the age increasing (P<0.01) in 1 a,2 a,3 a trees,but no significant difference between 3 a and 5 a apple trees (P>0.05).The content of soluble protein obviously increased with the age increasing (P<0.05),but there was no significant difference between 3 a and 5 a apple trees (P>0.05).The content of soluble sugar in 3 a apple trees was significantly higher than that in 2 a apple trees (P<0.01),while no significant difference between 1 a and 2 a apple trees,as well as between 3 a and 5 a trees.However,there was no significant difference in the starch content of trees at different ages (P>0.05).Correlation analysis showed that the soluble protein and soluble sugar content were positively correlated with cold hardiness of apple trees in the midwinter and before the budbreak (r=0.828~0.973).There was a positive correlation between starch content and cold hardiness in the midwinter (r=0.909),but no significant correlation before the budbreak (P>0.05).
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备注/Memo
第一作者简介：王红宁（1986-），女，河北衡水人，硕士研究生，研究方向为果树栽培生理与生态。E-mail:wanghongning126@126.com.
责任作者：孙建设（1957-），男，博士，教授，博士生导师，现主要从事苹果栽培生理与生物技术研究工作。E-mail:jiansheapple@163.com.
基金项目：国家现代农业产业技术体系专项资助项目（CARS-28）。
收稿日期：2013-04-08