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Original Research Article

Evaluation on the Effects of Deicing Salts on Crop using Seedling Emergence Assay of Oilseed Rape (Brassica napus)

유채의 출아 검정을 통한 제설제의 작물 영향 평가

Soo-Hyun Lim1
,
Hyejin Yu12
,
Chan-Young Lee3
,
Yu-Seok Gong3
,
Byung-Duk Lee4
,
Do-Soon Kim5*
임 수현1
,
유 혜진12
,
이 찬영3
,
공 유석3
,
이 병덕4
,
김 도순5*
1Senior Researcher, Department of Agriculture, Forestry and Bioresources, Research Institute of Agriculture and Life Sciences, College of Agriculture and Life Sciences, Seoul National University, Seoul 08826, Korea
2Senior, FarmHannong Co., Ltd., Nonsan 33010, Korea
3Principal Researcher, Korea Expressway Corporation, Korea Expressway Corporation Research Institute, Hwaseong 18489, Korea
4Chief Researcher, Korea Expressway Corporation, Korea Expressway Corporation Research Institute, Hwaseong 18489, Korea
5Professor, Department of Agriculture, Forestry and Bioresources, Research Institute of Agriculture and Life Sciences, College of Agriculture and Life Sciences, Seoul National University, Seoul 08826, Korea
1서울대학교 농업생명과학대학 농업생명과학연구원 선임연구원
2(주)팜한농 작물보호연구소 선임
3한국도로공사 도로교통연구원 책임연구원
4한국도로공사 도로교통연구원 수석연구원
5서울대학교 농업생명과학대학 농업생명과학연구원 교수
*Corresponding Author
1 March 2021. pp. 72-79
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Abstract

The increasing use of deicing salts has caused various environmental problems, including crop damage along the motorway where deicing salts are sprayed during winter. Deicing salts used on roads have been reported to negatively affect crops, but little information is known about their impact on crops. A seedling emergence assay was conducted to evaluate the effects of deicing salts on crops using oilseed rape (Brassica napus) as a model plant. We tested five chloride deicing salts consisting of NaCl, CaCl2, or MgCl2 and 1 non-chloride deicing salt (SM-3) at a range of concentrations (25, 50, 100, 200, and 400 mM), and untreated control. Regardless of deicing salts, they significantly delayed and reduced seedling emergence of oilseed rape with increasing salt concentration. Non-linear regression analysis of seedling emergence with a range of salt concentrations by fitting to the log-logistic model revealed that the chloride deicing salts reduced seedling emergence more than the non-chloride deicing salt SM-3. The GR50 value, the concentration causing 50% seedling emergence, of SM-3 was 47.1 mM, while those of the chloride deicing salts ranged from 30.7 mM (PC-10) to 37.5 mM (ES-1), showing approximately 10 mM difference between non-chloride and chloride deicing salts. Our findings suggest that seedling emergence assay is a useful tool to estimate the potential damage caused by deicing salts on crops.

Keywords
Brassica napus
crop damage
deicing salts
NaCl
oilseed rape
seedling emergence assay
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Information
  • Publisher :The Korean Society of Crop Science
  • Publisher(Ko) :한국작물학회
  • Journal Title :The Korean Journal of Crop Science
  • Journal Title(Ko) :한국작물학회지
  • Volume : 66
  • No :1
  • Pages :72-79
  • Received Date : 2020-11-25
  • Revised Date : 2021-01-29
  • Accepted Date : 2021-02-03
  • DOI :https://doi.org/10.7740/kjcs.2021.66.1.072
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