|Table of Contents|

Effects of Chitosan Treatment on Thylakoid Membrane Characters Characteristics in Rice Seedling Under Low Temperature(PDF)

《南京师大学报(自然科学版)》[ISSN:1001-4616/CN:32-1239/N]

Issue:
2009年02期
Page:
93-97
Research Field:
生命科学
Publishing date:

Info

Title:
Effects of Chitosan Treatment on Thylakoid Membrane Characters Characteristics in Rice Seedling Under Low Temperature
Author(s):
Sun Lei123Chen Guoxiang1Cheng Jialing23Lü Chuangen4
1.School of Life Sciences,Nanjing Normal University,Nanjing 210046,China
Keywords:
chitosan rice seedling low temperature thylkako id m em brane fatty ac id electron transport activ ities
PACS:
S511
DOI:
-
Abstract:
The seedling s o f rice Liang you pe i jiu ( Ory za sativa L. ) we re treated w ith 0.1%, 0.3%, 0. 5% and 0.7% o f ch itosan for study ing the e ffects of ch ito san to change ch illing-to lerane activ ity of rice. The ch illing- tolerance of seedling s of rice cou ld be increased w ith chitosan trea tm en t. The concentra tion o f chitosan at 0. 5% show ed them ost e ffective. Under low tem pera ture stress ch lo rophy ll content, absorption spectra, fluorescence spectra, com position of membrane lip id acids and e lectron transport activ ites o f photosy stem s ( PSⅠ and PSⅡ ) and the index o f unsa turated fatty ac id ( IUFA) obta ined h igher activ ities. The resu lts ind icated that ch ito san treatm ent improved co ld resistance o f rice seedling s, w hich pro tected the m embrance sy stem, a llev iated the dam age to pho tosynthe tic o rganization under low temperature.

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Last Update: 2013-04-23