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Study on the Infection Properties of Alternaia brassicicola Spores During Cauliflower Storage(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2012年05期
Page:
166-168
Research Field:
Publishing date:

Info

Title:
Study on the Infection Properties of Alternaia brassicicola Spores During Cauliflower Storage
Author(s):
GUO Hong-lian; WANG Xiao-feng; LU Yu-rong; SUN Yuan-yuan
College of Food Engineering and Biological Technology,Tianjin Unversity of Science and Technology，Tianjin 300457
Keywords:
cauliflower; black spot disease; alternaria brassicicola; infection
PACS:
S 635.3
DOI:
-
Abstract:
The black spot disease of caulifloduring storage were studied on its infection fungi and the optimum condition，in order to provide theoretical basis of control of the disease.The results showed that the temperature was key factor that the lowest growth temperature was 4℃，and almost could’t live in 0℃.The optimum infection pH value was 8；the pathogen infected cell walls in the process of degrading enzymes secreted damage tissue cells and the chitin-enzyme activity increased significantly in the vaccination within 2 days，pectin-enzyme activity increased in 6～7 days too，these enzyme-activity rising were consisted with the disease spot expansion.

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Memo

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Last Update: 2014-08-28