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

ACTA HORTICULTURAE SINICA ›› 2011, Vol. 38 ›› Issue (6): 1147-1152.

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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

Abstract

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

CLC Number:

S 662.1

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

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