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Korean Journal of Crop Science (한국작물학회지)

  • v59n2
  • pp.194-200
  • 2014
  • 0252-9777

The Korean Society of Crop Science (한국작물학회)

Effects of Varieties, Growth Duration, and Topping for Occurrence of Skin Ridge on the Tuberous Root in Sweet Potato (Ipomoea batatas Lam.)

  • Choi, Kyu-Hwan (Jeollabuk-do Agricultural Research and Extension Services)
  • Yu, Young-Jin (Jeollabuk-do Agricultural Research and Extension Services)
  • Kim, Hyo-Jin (Jeollabuk-do Agricultural Research and Extension Services)
  • Kang, Chan-Ho (Jeollabuk-do Agricultural Research and Extension Services)
  • Jeong, Jong-Sung (Jeollabuk-do Agricultural Research and Extension Services)
  • Song, Young-Ju (Jeollabuk-do Agricultural Research and Extension Services)
  • Kim, Chung-Kon (Jeollabuk-do Agricultural Research and Extension Services)
  • Lee, Seung-Yeop (Wonkwang University, College of Agriculture)

published in 2014. 6. 30

Abstracts

Skin ridge (SR) is a irregular line shape that stand out in epidermal layer on sweet potato (Ipomoea batatas Lam.). SR reduced marketable value of storage root in sweet potato. It would be occurred by accumulation of starch in epidermal layer. SR rate was more highly increased in early planting. SR rate was under 3% in 7 varieties 'Geonpoongmi', 'Yeonhwangmi', 'Geonmi' etc and the rate of two varieties 'Healthymi', 'Borami' were up to 30%. SR rate was positively correlated with vine weight. SR rate was the highest in 120 days after planting. As leaf area index was reduced to 3, 4, 5 and 6 (non-topping) by topping, it was hard to fine SR occurrence in topping treated sweet potato. Topping treatment, however, caused decrease in yield overall. Therefore, topping treatment for decreasing of SR was not recommended in agricultural practice of sweet potato.

Keyword

  • sweet potato (Ipomoea batatas Lam.)
  • skin ridge

Analytical Information

Analytical Information of the Articles
IPC A01G 7/00
Analytical Keyword Sweet Potato=Ipomoea batatas Lam.; varieties; growth duration=growing period; topping; skin ridge; tuberous root
Etc. keywrd Sweet Potato=Ipomoea batatas Lam.; varieties; growth duration=growing period; topping; skin ridge; tuberous root

Published Information

Cover Copyright
Published Information of the Articles
Country kor
Publisher The Korean Society of Crop Science
KJTK Publish Information Volume 8. 2014. 12. 31
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