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張田益,秦石天,文英仁,姜榮吉 제주대학교 아열대농업연구소 2000 亞熱帶農業硏究 Vol.17 No.-
This study was conducted to evaluate the efficacy of soil heating treatment for the control of cabbage yellows. The results obtained are summarized as follows ; 1.The density of Fusarium oxysporum was not changed with time at room temperature while it was not isolated 25 and 5 days after the heating treatment of 35 and 40℃, respectively. However any of it was not detected above 45℃. 2.When cabbage was grown in the soil inoculated with the pathogen after the inoculated soil was incubated for 1, 3, 5 and 7 days at 45℃, Fusarium oxysporum wilt was not observed for cabbage grown in the soil incubated for more than 3 days. 3.Pseudomonas sp. and Bacilus sp. antagonists that show antifungal activity to were Fusarium oxysporum in petri dish assays were isolated. The growth temperature of Bacillus sp. was higher than that of Fusarium oxysporum.
張田益,秦石天,文英仁,姜榮吉 제주대학교 아열대농업연구소 2000 亞熱帶農業硏究 Vol.17 No.-
This study was conducted to evaluate the efficacy of soil solarization, alone and combined with various treatments for the control of soil-borne diseases of cabbage at Cheju from 1988∼ 1999. The results obtained are summarized as follows ; 1.The average of maximum soil temperature at the l0cm depth under soil sruface from Aug. 4 to Sept. 3, 1998 were 6.5℃ higher under polyethylene(P.E.) film mulch compared with 35.4℃ of control. The maximum soil temperatures of above 40℃ at the 10cm depth were recorded for 23 days in the P.E. film mulch. 2.The infection rate of F. oxysporum wilt of cabbages grown after the treatment of disinfector dazomet+P.E. film mulch, was lowest, followed by manure+P.E. film mulch, and alone P.E. film mulch. 3.The leaf length of cabbages grown after P.E. film mulch were greater compared with untreated control but head weight showed no difference between P.E. film mulch and control.