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Induced Mutation Effect of Phytophthora sojae by Ultraviolet Irradiating(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2008年03期
Page:
490-6495
Research Field:
Publishing date:

Info

Title:
Induced Mutation Effect of Phytophthora sojae by Ultraviolet Irradiating
Author(s):
ZUO Yu-hu1YU Hong-mei1SONG Yu-hua2
1 College of Plant Science & Technology,Heilongjiang August First Land Reclamation University,Daqing 163319,Heilongjiang;
2Hulin Agricultural Technology Extension Center,Hulin 158400,Heilongjiang,China
Keywords:
Phytophthora sojaeMutationUltraviolet irradiating
PACS:
S565.1
DOI:
10.11861/j.issn.1000-9841.2008.03.0490
Abstract:
To know the induced mutation effect of Phytophthora sojae by ultraviolet irradiating,the inheritance and variation of biological characteristics,pathogenicity and resistance to metalaxyl of P.sojae-mutant strains were studied.These biological characteristics include the colony morphology,mycelia growth rate,mycelia morphology,oospore morphology,sporulation,homothallism.The results indicated that the colony morphology,mycelia growth rate,mycelia morphology,oospore morphology and homothallism had obvious variation.The sporulation and pathogenicity of P.sojae-mutant strains were reduced.The sensitivity to metalaxyl of some-P.sojae-mutant strains were raised though there were not resistance to metalaxyl P.sojae-mutant strains.The genes which control the biological characteristics and pathogenicity of P.sojae-can be mutated by ultraviolet irradiating.

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Last Update: 2014-10-08