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강위금,김민태,이봉춘,이창훈,양청목 한국토양비료학회 2017 한국토양비료학회지 Vol.50 No.6
Some symbiotic characteristics of native Korean Rhizobium leguminosarum biovar viciae were analysed toget some informations desirable for cultivation of hairy vetch (Vicia villosa Roth) using its symbiont in Korea. The size of indigenous populations of R. leguminosarum biovar viciae was higher in seven upland soilsshowing 1.7✕102~5.8✕104 cells g ‧ soil-1, which appeared to be 10% and 37% higher for cultivated anduncultivated soils of hairy vetch, respectively, than seven paddy soils with 1.7✕102~1.7✕104 cells g ‧ soil-1. In symbiotic potentials, however, the yields of hairy vetch treated with 10-fold-diluted (10-1) inoculum and1000-fold-diluted (10-3) one was 11.2% and 8.8% more, respectively, in paddy than upland. Hairy vetchinoculated with either strain KHR 106 from Sacheon or strain KHR 120 from Yesan among native Korean R. leguminosarum biovar viciae isolates was of similar yield increment of 16% (p < 0.05) in upland soils withnative R. leguminosarum biovar viciae of 5.8✕10 cells g ‧ soil-1. In case of coinoculation of the two strains,however, the yields was not significantly increased. In especial, isolate KHR 106, KHR 120, and KHR 122from Suwon, which has also good symbiotic effectiveness, showed different protein profile patterns eachother. As a result, hairy vetch is possibly able to use atmospheric nitrogen through symbiotic relationship withdiverse native R. leguminosarum biovar viciae in Korean arable lands. For safe and good production of hairy,however, the use of superior strains with high symbiotic effectiveness and competitiveness will be desirable.