‘21世纪’桃对其砧木毛桃根系导管分子性状的影响

园艺学报 ›› 2011, Vol. 38 ›› Issue (6): 1147-1152.

‘21世纪’桃对其砧木毛桃根系导管分子性状的影响

郭学民1，肖啸2，梁丽松4，张立彬2，高荣孚3，王贵禧4,*

（1河北科技师范学院生命科学科技学院，河北秦皇岛 066600；2河北科技师范学院园艺科技学院，河北秦皇岛 066600；3北京林业大学生物科学与技术学院，北京100083；4中国林业科学研究院林业研究所，北京100091）

收稿日期:2010-11-01 修回日期:2011-05-23 出版日期:2011-06-25 发布日期:2011-06-25
通讯作者: 王贵禧

Effects of Grafted Prunus persica‘21th Century’on the Characters of Vessel Elements in Root System of P. persica Stock

GUO Xue-min1，XIAO Xiao2，LIANG Li-song4，ZHANG Li-bin2，GAO Rong-fu3， and WANG Gui-xi4,*

（1College of Life Science & Technology，Hebei Normal University of Science and Technology，Qinhuangdao，Hebei 066600，China；2College of Horticulture Science and Technology，Hebei Normal University of Science and Technology，Qinhuangdao，Hebei 066600，China；3College of Life Science and Technology，Beijing Forestry University，Beijing 100083，China；4The Research Institute of Forestry，The Chinese Academy of Forestry，Beijing 100091，China）

Received:2010-11-01 Revised:2011-05-23 Online:2011-06-25 Published:2011-06-25
Contact: WANG Gui-xi

摘要/Abstract

摘要： 采用组织离析法和显微照相技术，观测了以毛桃为砧木，‘21世纪’桃品种为接穗的嫁接树与非嫁接树根系导管分子类型和大小。结果表明：与未嫁接的实生砧木树相比，嫁接树的根系中导管分子侧壁次生增厚和木质化的方式、纹孔式及穿孔板类型未见变化，但两端具尾的导管分子数明显减少，导管分子端壁向一端壁水平一端壁倾斜的中间类型变化，导管分子长度变化不大，但直径明显变小。这意味着桃树接穗对砧木根系导管分子的类型与直径产生了一定的影响。　　

关键词: 桃, 砧木, 接穗, 根系, 导管分子

Abstract: The type and size of vessel elements in root system of both grafted peach trees in which Prunus persica‘21th Century’scion were grafted onto P. persica rootstocks and non-grafted P. persica were examined using tissue segregation procedure and micrograph. The results showed that compared with seedling tree rootstocks which were not grafted，in root system of grafted trees，there were no changes in the mode of secondary wall thickening and lignifications，pitting pattern and types of perforation plates，but the number of vessel elements with tails in both end walls significantly reduced；Vessel element end wall changed to the middle type in which one end wall was horizontal and the other was sloping；The changes of vessel element length were not significant while its diameter decreased significantly. These results indicate peach scion had a certain impact on the type and diameter of vessel elements in root system of stock.

Key words: peach, stock, scion, root system, vessel element

中图分类号:

S 662.1

郭学民;肖啸;梁丽松;张立彬;高荣孚;王贵禧;. ‘21世纪’桃对其砧木毛桃根系导管分子性状的影响 [J]. 园艺学报, 2011, 38(6): 1147-1152.

GUO Xue-min;XIAO Xiao;LIANG Li-song;ZHANG Li-bin;GAO Rong-fu;and WANG Gui-xi;. Effects of Grafted Prunus persica‘21th Century’on the Characters of Vessel Elements in Root System of P. persica Stock [J]. ACTA HORTICULTURAE SINICA, 2011, 38(6): 1147-1152.

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