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Journal of Zhejiang University SCIENCE B 2007 Vol.8 No.4 P.277~282

10.1631/jzus.2007.B0277


Protection of ultrastructure in chilling-stressed banana leaves by salicylic acid


Author(s):  KANG Guo-zhang, WANG Zheng-xun, XIA Kuai-fei, SUN Gu-chou

Affiliation(s):  National Engineering Research Centre for Wheat, Henan Agricultural University, Zhengzhou 450002, China; more

Corresponding email(s):   wangzhengxun@163.com

Key Words:  Banana (Musa acuminata cv., Williams 8818), Chilling tolerance, Salicylic acid, Ultrastructure


KANG Guo-zhang, WANG Zheng-xun, XIA Kuai-fei, SUN Gu-chou. Protection of ultrastructure in chilling-stressed banana leaves by salicylic acid[J]. Journal of Zhejiang University Science B, 2007, 8(4): 277~282.

@article{title="Protection of ultrastructure in chilling-stressed banana leaves by salicylic acid",
author="KANG Guo-zhang, WANG Zheng-xun, XIA Kuai-fei, SUN Gu-chou",
journal="Journal of Zhejiang University Science B",
volume="8",
number="4",
pages="277~282",
year="2007",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.2007.B0277"
}

%0 Journal Article
%T Protection of ultrastructure in chilling-stressed banana leaves by salicylic acid
%A KANG Guo-zhang
%A WANG Zheng-xun
%A XIA Kuai-fei
%A SUN Gu-chou
%J Journal of Zhejiang University SCIENCE B
%V 8
%N 4
%P 277~282
%@ 1673-1581
%D 2007
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.2007.B0277

TY - JOUR
T1 - Protection of ultrastructure in chilling-stressed banana leaves by salicylic acid
A1 - KANG Guo-zhang
A1 - WANG Zheng-xun
A1 - XIA Kuai-fei
A1 - SUN Gu-chou
J0 - Journal of Zhejiang University Science B
VL - 8
IS - 4
SP - 277
EP - 282
%@ 1673-1581
Y1 - 2007
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.2007.B0277


Abstract: 
Objective: chilling tolerance of salicylic acid (SA) in banana seedlings (Musa acuminata cv., williams 8818) was investigated by changes in ultrastructure in this study. Methods: Light and electron microscope observation. Results: Pretreatment with 0.5 mmol/L SA under normal growth conditions (30/22 °C) by foliar spray and root irrigation resulted in many changes in ultrastructure of banana cells, such as cells separation from palisade parenchymas, the appearance of crevices in cell walls, the swelling of grana and stromal thylakoids, and a reduction in the number of starch granules. These results implied that SA treatment at 30/22 °C could be a type of stress. During 3 d of exposure to 7 °C chilling stress under low light, however, cell ultrastructure of SA-pretreated banana seedlings showed less deterioration than those of control seedlings (distilled water-pretreated). Conclusion: SA could provide some protection for cell structure of chilling-stressed banana seedling.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

Reference

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