苹果新梢叶片光合作用的测定 | |
其他题名 | Photosynthesis Determination of Apple Shoots Leaves |
杜社妮; 宋耀兴; 张沛琪 | |
2012 | |
发表期刊 | 北方园艺 |
卷号 | 2012期号:16页码:12-16 |
摘要 | 以盛果期‘红富士’苹果为研究对象,在树冠外围东南处中部,利用LI-6400光合仪测定延长枝、发育枝、果台副梢、叶丛枝最大叶片的光合能力,以准确测定苹果叶片光合能力。结果表明:不同新梢叶片的光合速率、气孔导度日变化为双峰曲线,胞间CO2浓度为反抛物线,蒸腾速率为单峰曲线。延长枝叶片的光合能力较高,叶丛枝较低,果台副梢、发育枝居中。发育枝叶片生长发育受果实的生长发育影响较小,可作为苹果光合作用测定的适宜叶片; Abstract:As apple tree had numerous shoots and leaves,that were inconvenience to accurately determine leaves photosynthetic capacity.In order to facilitate the accurate determination of leaves photosynthetic capacity,‘Red Fuji’ apple tree that grafted on vigorous rootstock,in full productive stage had been as the determination tree.The largest leaf photosynthetic capacity of elongated shoots,development shoots,lateral shoots of bearing part and leafage shoots that grown in southeast mid-outer crown had been determined by LI-6400photosynthesis system.The results showed that the diurnal variation of photosynthetic rate and stomatal conductance of different shoots leaves showed bimodal curve,the diurnal variation of transpiration showed single curve,and the diurnal variation of intercellular concentration showed anti ?parabola curve.The leaves photosynthetic capacity of elongated shoots were higher,leafage shoots were lower,and development shoots,lateral shoots of bearing part were middle.The leaves of development shoots had less affected by fruit growth,they should be suitable as photosynthesis leaves. |
关键词 | 苹果 :apple 新梢 New shoots 叶片 Leaves 光合作用 Photosynthesis |
语种 | 中文 |
文献类型 | 期刊论文 |
条目标识符 | sbir.nwafu.edu.cn/handle/361005/5360 |
专题 | 水保所知识产出(1956---) |
推荐引用方式 GB/T 7714 | 杜社妮,宋耀兴,张沛琪. 苹果新梢叶片光合作用的测定[J]. 北方园艺,2012,2012(16):12-16. |
APA | 杜社妮,宋耀兴,&张沛琪.(2012).苹果新梢叶片光合作用的测定.北方园艺,2012(16),12-16. |
MLA | 杜社妮,et al."苹果新梢叶片光合作用的测定".北方园艺 2012.16(2012):12-16. |
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