YU Gong-xin,HAN Ming-yu,ZHANG Man-rang,et al.The Effect of Branch Drawing on Carbon and Nitrogen Contents in Buds and Leaves of ‘Gala’ Apple[J].Northern Horticulture,2012,36(15):9-12.
不同拉枝角度对‘嘎啦’苹果顶芽及叶片碳氮含量的影响
- Title:
- The Effect of Branch Drawing on Carbon and Nitrogen Contents in Buds and Leaves of ‘Gala’ Apple
- 文章编号:
- 1001-0009(2012)15-0009-04
- Keywords:
- ‘Gala’; branch bending angles; content of carbon; content of nitrogen
- 分类号:
- S 661.1
- 文献标志码:
- A
- 摘要:
- 为了确定利于花芽分化的合理拉枝角度，研究了‘嘎啦’不同拉枝角度短枝顶芽及其相应部位的叶片和中长枝顶芽及其相应部位叶片的可溶性糖、淀粉及氮含量的变化。结果表明：随着拉枝角度的增大，各部位可溶性糖和淀粉含量增加，90°与110°短枝顶芽淀粉含量及90°与110°短枝顶叶可溶性糖含量差异不显著，其余差异显著；随着拉枝角度的增大，氮含量减少，差异不显著；各处理顶芽氮含量随时间延长呈下降的趋势，但中长枝顶芽在9月份却上升，各处理叶片氮含量在开始阶段呈上升的趋势，6月15～25日达到峰值，之后一直下降。随着拉枝角度增大，C/N值增大，但90°与110°之间差异不显著。
- Abstract:
- The change of the content of soluble sugar，starch，the nitrogen in apical buds and leaves of short branches and long branches of ‘Gala’ apple with different branch bending angles were studied.The results showed that the content of soluble sugar and starch was raised with the increasing of branch angles.The difference of content of starch in apical buds of long branch and soluble sugar in leaves of short branch between the branch angle of 90° and 110° was not significant，the other was obvious.With the increasing of branch angles，the content of nitrogen was declined，the different was not significant，the content of nitrogen in apical buds was declined with time，but the content of nitrogen in apical buds of long branches was raised in September.The content of nitrogen in leaves was showed an upward trend in its opening stages，the content was declined since peaked during June 15 to 25.The C/N was raised with the increasing of branch angles，but the different was not significant between the branch angle of 90° and 110°.
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备注/Memo
第一作者简介：余拱鑫(1986-)，男，在读硕士，现主要从事果树生理研究。E-mail：yu19860521@163.com.