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2018 Vol.51, Issue 3 Preview Page

Original research article

Effect of Curing Treatments on the Fusarium Wilt (Fusarium oxysporum) of Sweet Potato (Ipomoea batatas L.)
Jin-Young Moon1
,
Byeong-Kyu Min1
,
Jung-Ho Shin1
,
Yong-Cho Choi1
,
Hyeon-Ji Cho1
,
Young-Han Lee1
,
Jeongyeo Lee2*
,
Jae-Young Heo1*
,
,
,
,
,
,
,
1Gyeongsangnam-do Agricultural Research and Extension Services, Jinju 52733, Korea
2Korea Research Institute of Bioscience and Biotechnology, 125 Gwahak-ro, Yuseong-gu, Daejeon 34141, Korea
* Corresponding Author
31 August 2018. pp. 247-254
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Abstract

Fusarium wilt (Fusarium oxysporum) is responsible for damage or negative effect on sweet potato (Ipomoea batatas L.) cultivation. This study evaluated the effect of curing treatment on the growth of sweet potato and soil microbial communities using fatty acid methyl ester method. We utilized three treatment groups, control, curing treatment of cutting for a day (C1), and curing treatment of cutting for 5 days (C5). Soil chemical properties showed no significant effect for the treatments. The marketable root number per plant and yield of sweet potato in C5 treatment were significantly higher than those in control and C1 (p < 0.05), whereas the Fusarium wilt in C5 treatment showed significantly lower than that of the control and C1 (p < 0.05). In addition, Fusarium wilt showed significantly increase as increasing soil fungi biomass, while the yield of sweet potato significantly decreased as increasing Fusarium wilt (p < 0.05). The soil of C1 and C5 had a significantly lower biomass and community of fungi when compared with that of control (p < 0.05). These results indicate that curing treatment of cutting was more effect on the prevention of Fusarium wilt as well as the productivity of sweet potato.

Correlation between soil fungal biomass, fusarium wilt and yield of sweet potato.

Keywords
Curing
Fusarium wilt
Microbial community
Sweet potato

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Information
  • Publisher :Korean Society of Soil Science and Fertilizer
  • Publisher(Ko) :한국토양비료학회
  • Journal Title :Korean Journal of Soil Science and Fertilizer
  • Journal Title(Ko) :한국토양비료학회 학회지
  • Volume : 51
  • No :3
  • Pages :247-254
  • Received Date : 2018-06-22
  • Revised Date : 2018-07-13
  • Accepted Date : 2018-08-31
  • DOI :https://doi.org/10.7745/KJSSF.2018.51.3.247
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