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Study on POD Enzyme Activity and Isozyme Pattern Analysis of  Peppers Under Low Phosphorous Stress(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2013年23期
Page:
113-116
Research Field:
Publishing date:

Info

Title:
Study on POD Enzyme Activity and Isozyme Pattern Analysis of  Peppers Under Low Phosphorous Stress
Author(s):
PEI Dong-li1;WANG Chong1;LI Cheng-wei 12
1.Key Laboratory of Plant-Microbe Interactions,College of Life Science,Shangqiu Normal University,Shangqiu,Henan 476000
2.Key Laboratory of Plant Genetics and Molecular Breeding,College of Life Science,Zhoukou Normal University,Zhoukou,Henan 466001
Keywords:
pepperslow phosphorous stressperoxidase(POD)isozyme
PACS:
S 641.3
DOI:
-
Abstract:
Taking four varieties of peppers leaves of ‘Niujiao pepper’,‘Qiemen pepper’,‘Nanweijinfeng 2’ and ‘8819 line pepper’ as test materials, with water culture,the effect of 1 mmol/L and 0.01 mmol/L phosphorus (P) on peroxidase (POD) activity and their isoenzymic bands were studied.The results showed that POD activity in leaves of ‘Niujiao pepper’,‘Qiemen pepper’ and ‘8819 line pepper’ increased firstly,decreased secondly and then increased again with time,while the POD activity of ‘Nanweijinfeng 2’ increased during the whole test time,and the changing trend of POD isozyme zymogram was accordance with POD activity.The enzymatic activity under low phosphorus was stronger than that of normal phosphorus treatment and the isozyme bands and expression quantity of POD were more than that of normal phosphorus treatment at the same time.The result suggested that POD was related with plant against low phosphorous press.

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Last Update: 2014-08-26