IDENFICATION OF SOURCES OF SOYBEANS RESISTANT TO NEW SMV STRAINGROUPS INMIDDLE AND LOWER HUANG-HUAI AND CHANGJIANG VALLEYS(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Title:: IDENFICATION OF SOURCES OF SOYBEANS RESISTANT TO NEW SMV STRAINGROUPS INMIDDLE AND LOWER HUANG-HUAI AND CHANGJIANG VALLEYS

Author(s):: Wang Xiuqiang 　Gai Junyi 　Yu Deyue 　Zhi Haijian; Soybean Research Institute of Nanjing Agricultural University , National Center for Soybean Improvement ,National Key Laboratory for Crop Genetics and Germplasm Enhancement , Nanjing 210095

Keywords:: Screening for resistance sources ; Soybean mosaic virus (SMV); New strain group

Abstract:: Total 143 soybean cultivars (lines)were inoculated with a mixture of SMV SC -1 ～ SC -8 strain groups .The results showed that most of the soybean cultivars previously identified as resistant to SMV strain groups in the fieldwere susceptible while some new breeding lines were highly resistant .Thirty -two accessions with resistance to the mixtureof SC -1 ～ SC -8 were screened out , and their race -specific resistance to the mostly prevailing strain group SC -1 and virulent strain group SC -8 were studied further .Twenty -one accessions highly resistant to the SMV strain group(s)were identified .Among them the cultivars ” Kefeng No .1” , ” Dabaima” ,”Shandong 7222” , ”Pixianchadou” , ”Fuyang 250” , ”Qihuang No .1” , ”Qihuang No .22” , and ”PI96983” were elite ones , with resistance to both mixture inoculumof eight strains and single inocula of SC -1 and SC -8 .

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Last Update: 2016-12-31