|Table of Contents|

Effect of Aphid Invasion on Protective Enzyme Activities of Different Watermelon Varieties(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2014年01期
Page:
109-111
Research Field:
Publishing date:

Info

Title:
Effect of Aphid Invasion on Protective Enzyme Activities of Different Watermelon Varieties
Author(s):
XU Xue-lian1; 2; ZHANG Yin-dong1; FU Yue-guan2; LU Fu-ping2; LU Hui2; CHEN Qing2
1.College of Agronomy,Hainan University,Haikou,Hainan 570228；
2.Laboratory of Integrated Pest Management on Tropical Crops,Ministry of Agriculture,Hainan Key Laboratory for Monitoring and Control of Tropical Agricultural Pests,Hainan Engineering Research Center for Biological Control of Tropical Crops Diseases and Insect Pests,Environment and Plant Protection Institute,China Academy of Tropical Agriculture Sciences,Haikou,Hainan 571101
Keywords:
watermelon; aphid; resistance; enzyme activities
PACS:
S 651
DOI:
-
Abstract:
Taking 6 varieties of watermelon which have different resistance to aphid as materials,the effect of aphid invasion on activities of polyphenol oxidase (PPO),peroxidase (POD),catalase (CAT),superoxide dismutase (SOD) and ascorbate oxidase (AsA-POD) of watermelon were studied using spectrophotometry.The results showed that there was significant difference in activities of PPO,POD,CAT,SOD and AsA-POD in watermelon leaf between the susceptible and the resistant varieties.The activities of PPO,POD,CAT,SOD and AsA-POD of resistant varieties were significantly increased.Then no significant changes were found in PPO,POD,CAT,SOD and AsA-POD activities of susceptible varieties.All the results suggested that PPO,POD,CAT,SOD and AsA-POD activities had relevance with the aphis resistant of watermelon.

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Last Update: 2014-08-08