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pp.358-363
In this study, growth and yield characteristics of 14 potato varieties were analyzed in the uncultivated field Saemangeum reclaimed tidal land in spring season cropping and to select suitable varieties for the cultivation. The shoot emergence has been started about 20 days after planting and has been continued for 10 ~ 22 days after first emergence. All varieties showed 90% or higher emergence rate. The potato varieties yield was classified into three groups depend on the total yield. High yield varieties; Atlantic, Chuyeong, Seohong, Chubaek and medium yield varieties; Chudong, Goun, Haryung, Jopung, Dejima, Superior and low yield varieties; Hongyoung, Jayoung, Jowon, Namseo. For the marketable yield, Jowon, Altantic, Chuyeong, Jopung, Seohong, Goun, Superior and Haryung varieties showed 70% or higher while Hongyoung showed the lowest with 47%. According to the results of virus detection test after two year successive cultivation in reclaimed tidal land, very low amount of Potato virus Y (PVY) was detected only on Seohong sprouts (fitst year) and Dejima leaves (second year) while other varieties were shown no symptom of virus. From the survey with consumers, Haryung, Superior, Goun, Dejima and Chuyeong varieties were found to be relatively higher in the purchase preference for the shape, color and taste. The measurement of antioxidant activity showed Jayoung variety to be excellent with the total phenol contents and DPPH antioxidant activity. Atlantic, Chuyeong, Seohong, Goun, Haryung and Jopung varieties showing high total yield and marketability of 70% higher were considered to be suitable for cultivation in the sandy loam of Saemangeum reclaimed tidal land. According to the above results, the growing possibility of spring potatoes in he sandy loam of newly Saemangeum reclaimed tidal land.
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