|Table of Contents|

Effect of Waterlogging Stress on Photosynthetic Characteristics of Different Resistance of Kiwifruit Seedlings(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2015年02
Page:
14-17
Research Field:
Publishing date:

Info

Title:
Effect of Waterlogging Stress on Photosynthetic Characteristics of Different Resistance of Kiwifruit Seedlings
Author(s):
MI Yin-fa1; CUI Rui-hong2
(1.Forestry College,Henan University of Science and Technology，Luoyang，Henan 471003；2.Foreign Languages School,Henan University of Science and Technology，Luoyang,Henan 471003)
Keywords:
kiwifruit; seedlings; waterlogging stress; photosynthetic characteristics
PACS:
-
DOI:
10.11937/bfyy.201502004
Abstract:
Taking one-year-old potted Actinidia deliciosa ‘Qinmei’ and ‘Hongyang’ kiwifruit seedlings as test materials，effect of waterlogging stress on photosynthetic characteristics of different resistance of kiwifruit seedlings were studied.The results showed that，with the continuous flooding 14 days with the extension of waterlogging time，net photosynthetic rate，transpiration rate and stomatal conductance decreased，while intercellular CO2 concentration significantly increased.A.chinensis was sensitive to waterlogging stress，and the leaf net photosynthetic decreased rate was greater than that of A.deliciosa.While the synthesis and assimilation ability of A.deliciosa was stronger than that of A.chinensis.A.deliciosa leaf stomatal conductance regulation showed double-peak curve changes obviously，but the peak value was lower than the control values.A.chinensis leaf stomatal conductance trends showed a single peak curve，the peak was decreased 60.95%.Diurnal changes of transpiration rate of two kiwifruit increased first and then decreased，and was lower than that of control.

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Last Update: 2015-02-22