GENERAL REVIEWIN APPRAISAL RESULT OF RESISTANTOF NEW STRAINS TOCERCOSPORA SOJINA HARA.OF SOYBEAN IN HEILOBNGHIANG PROVINCE(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Title:: GENERAL REVIEWIN APPRAISAL RESULT OF RESISTANTOF NEW STRAINS TOCERCOSPORA SOJINA HARA.OF SOYBEAN IN HEILOBNGHIANG PROVINCE

Author(s):: Ma Shumei 　Ding Junjie 　Zheng Tianqi; Hejiang Agricultural Institute , Heilongjiang Academy of Agricultural Sciences , Jiamusi , 154007

Abstract:: 638 new strains were appraised for resistant to Cercospora sojina Hara .in region test and produce test period ,these strains were bred by every soybean breeding unit in whole province , the experiment was conducted in 14 years from1987 to 2000 .The result showed :highly resistant strains had 55 , resistant strains had 80 , middle resistant strains had210 , susceptible strains and highly susceptible strains had 303 .Appraisal result was further analyzed , showed :resistanceof soybean new strains of breeding before 1994 was clearly higher than new strains of breeding after 1994 , thestrains before 1994 , highly resistant , resistant , middle resistant , susceptible and highly susceptible respectively was 22 .7 %, 11 .2 %, 29 %, 37 %;the strains after 1994 , respectively was 0 .2 %, 11 .5 %, 38 .7 %, 49 .6 %;the proportionof highly resistant materials was clearly reduction , the proportion of middle resistant and susceptible materials was clearlyrise .

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Last Update: 2016-12-30