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Study on the Germination Condition of the Resting Spores of Plamodiophora brassicae(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2014年07期
Page:
112-114
Research Field:
Publishing date:

Info

Title:
Study on the Germination Condition of the Resting Spores of Plamodiophora brassicae
Author(s):
ZHANG Xuan-zhe1; CHEN Cong1; XIE Ming-jing1; SUN Chang1; RUI Xing-hai1; PIAO Hai-jin2
1.School of Agriculture,Northeast Agricultural University,Harbin,Heilongjiang 150030；
2.Yanbian Agricultural Technology Extension Station,Yanji,Jilin 133000
Keywords:
Plamodiophora brassicae; resting spores; germination rate
PACS:
S 436.34
DOI:
-
Abstract:
Taking the germination of resting spores of P.brassicae collected from Acheng area in Heilongjiang province as material,its germination was measured and the various environmental factors on germination of dormant spores were basically defined.The results indicated that the optimum temperature for germination of dormant spores 24℃,the optimum pH value of 6.3.The resting spores treated in dark was higher than the resting spores treated in light,respectively,73.33% and 12.16%.The highest germination rate of decay treatment was 73.33%.Above results showed that Chinese cabbage clubroot disease easily occurred at the low temperature and weak acidity condition.

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Last Update: 2014-08-13