Korean Journal of Plant Resources (한국자원식물학회지)

The Plant Resources Society of Korea (한국자원식물학회)
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Gui Valley: A High Yielding Potential and Good Processing Potato Cultivar

  • Lim, Hak-Tae (Department of Plant Biotechnology, the Center for Korea Potato Genetic Resources (KPGR), Kangwon National University, and Potato Valley Co., Ltd) ;
  • Dhital, Shambhu Prasad (Department of Plant Biotechnology, the Center for Korea Potato Genetic Resources (KPGR), Kangwon National University, and Potato Valley Co., Ltd) ;
  • Khu, Don-Man (Department of Plant Biotechnology, the Center for Korea Potato Genetic Resources (KPGR), Kangwon National University, and Potato Valley Co., Ltd) ;
  • Li, Kui-Hwa (Department of Plant Biotechnology, the Center for Korea Potato Genetic Resources (KPGR), Kangwon National University, and Potato Valley Co., Ltd) ;
  • Choi, Seon-Phil (Department of Plant Biotechnology, the Center for Korea Potato Genetic Resources (KPGR), Kangwon National University, and Potato Valley Co., Ltd) ;
  • Kang, Chang-Won (Department of Plant Biotechnology, the Center for Korea Potato Genetic Resources (KPGR), Kangwon National University, and Potato Valley Co., Ltd) ;
  • Kim, Tae-Joo (Department of Plant Biotechnology, the Center for Korea Potato Genetic Resources (KPGR), Kangwon National University, and Potato Valley Co., Ltd) ;
  • Mo, Hwang-Sung (Department of Plant Biotechnology, the Center for Korea Potato Genetic Resources (KPGR), Kangwon National University, and Potato Valley Co., Ltd) ;
  • Hwang, Won-Nam (Department of Plant Biotechnology, the Center for Korea Potato Genetic Resources (KPGR), Kangwon National University, and Potato Valley Co., Ltd) ;
  • Lee, Woo-Jong (Department of Plant Biotechnology, the Center for Korea Potato Genetic Resources (KPGR), Kangwon National University, and Potato Valley Co., Ltd)
  • Published : 2009.12.31
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Abstract

The main objective of this breeding program is to develop high yielding, disease resistance and good processing potato cultivar. 'Gui Valley' is a clonal selection resulting from a cross between 'ND2471-8' and 'Cona'. It has medium plant height and light green foliage. 'Gui Valley' has medium flowering habit and light pink flowers. 'Gui Valley' is a medium maturing potato cultivar and tubers are smooth, yellow skin, light yellow flesh, long-oval tuber shape, distinct red eyes with medium depth and medium dormancy. It has high level of tuber uniformity and good keeping quality. 'Gui Valley' demonstrates resistance to potato virus Y (PVY), soft rot, but moderately susceptible to late blight and common scab. It is also resistant to most of the internal and external physiological disorders particularly dehiscence, hollow heart and internal brown spot. The specific gravity of 'Gui Valley' is significantly higher (1.097) than that of 'Shepody' (1.078). 'Gui Valley' has suitable for processing mainly French fries and chips. This cultivar has high level of tuber uniformity and capable of yielding 37.6 $t{\cdot}ha^{-1}$, which is 18.2% higher than the control potato cultivar 'Shepody' under optimum agronomical practices.

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References

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