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,"/> <font face="Verdana">Biological Characteristics Analysis of the Pathogens Caused Potato Common Scab in China#br# </font>

Scientia Agricultura Sinica ›› 2010, Vol. 43 ›› Issue (12): 2603-2610 .doi: 10.3864/j.issn.0578-1752.2010.12.028

• RESEARCH NOTES • Previous Articles    

Biological Characteristics Analysis of the Pathogens Caused Potato Common Scab in China#br#

ZHANG Meng, LIU Bo, YU Xiu-mei, ZHAO Wei-quan, LIU Da-qun#br#   

  1. (河北农业大学植物保护学院/河北省农作物病虫害生物防治工程技术研究中心)

  • Received:2009-12-11 Revised:2010-02-05 Online:2010-06-15 Published:2010-06-15
  • Contact: ZHAO Wei-quan, LIU Da-qun

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Abstract:

【Objective】 Thirty potato common scab-causing strains isolated from different areas in China were analyzed according to their biological characteristics. 【Method】 The morphological properties of the strains were observed by scanning electron microscope. The biochemical characteristics and the growth restricting factors were tested. The clustering analysis was carried out by SPSS software based on the test results and the data of the 11 standard Streptomyces strains. 【Result】 Among the 30 scab-causing strains, 10 strains belong to S. scabies group, 7 to S. bobili group, 1 to S. turgidiscabies group, 6 to S. galilaeus group, 2 to S. diastatochromogenes group, 1 to S. setonii group, and 3 to S. enissocaesilis group. 【Conclusion】 The results revealed the diversity of potato common scab pathogens in China. Moreover, S. galilaeus, S. bobili and S. enissocaesilis groups were found to be novel pathogens causing potato common scab.

Key words: potato common scab')">potato common scab, Streptomyces, phenotype characteristic, diversity

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