Journal of Practical Agriculture & Fisheries Research (현장농수산연구지)

Korea National University of Agriculture and Fisheries (국립한국농수산대학교 교육개발센터)
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Effects of Soil Water Content on Growth and Antioxidative Enzymes of Tomato Plug Seedlings

토양 수분함량이 토마토 묘의 생육 및 항산화 효소에 미치는 영향

  • Kim, D.E. (Korea National College of Agriculture and Fisheries) ;
  • Kang, J.K. (Korea National College of Agriculture and Fisheries) ;
  • Shin, Y.A. (Korea National College of Agriculture and Fisheries) ;
  • Hong, S.J. (Korea National College of Agriculture and Fisheries) ;
  • Lee, W.Y. (Korea National College of Agriculture and Fisheries) ;
  • Woo, Y.H. (Korea National College of Agriculture and Fisheries)
  • 김동억 (국립한국농수산대학 교양공통과) ;
  • 강정균 (국립한국농수산대학 교양공통과) ;
  • 신윤아 (국립한국농수산대학 교양공통과) ;
  • 홍순중 (국립한국농수산대학 교양공통과) ;
  • 이운용 (국립한국농수산대학 교양공통과) ;
  • 우영회 (국립한국농수산대학 원예환경시스템학과)
  • Received : 2019.10.11
  • Accepted : 2019.12.06
  • Published : 2019.12.20
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Abstract

This study was carried out to investigate effects of soil water content on growth and antioxidative enzymes activity of tomato seedlings during the nursery period. The water stress significantly damages morphological, physiological, and biochemical activities in plants. The seedlings planted with soil on the tray were irrigated and categorized into 3 groups with 30 g, 40 g, and 50 g of plant-soil weight. After then, the changes in weight of the soil and the seedling were measured evey 2 hours for 4 days and the leaf temperature was measured with the thermal-camera at the same time. The antioxidant enzymes were measured to determine the level of stress using all of the seedling samples. The result showed that the decrease of soil weight in the day time was faster than that in the night time, but there was no significant difference in the weight loss of the seedlings and soil among the groups. However, the group with 50 g of wight showed the highest SOD and POD contents. This is considered that the continuously wet soil on the root zone of the seedlings caused more stress for the seedlings. Therefore, it is concluded that the excess moisture content causes stress to stimulate the secretion of antioxidant enzymes, and the effect of stress is required to be analyzed comprehensively using environmental data and also the physiological data that are collected over a longer period.

본 연구는 토마토 육묘 시 생육과 묘소질에 영향을 줄 수 있는 요인 중에서 수분함량이 모종의 생육과 항산화효소 형성에 미치는 영향, 엽온의 변화에 대한 관찰을 수행하였다. 실험 방법은 토마토 모종을 관수한 상태의 무게가 50g, 40g, 30g가 되도록 관수를 하였고 각 묘 및 트레이의 무게를 시간마다 측정하였으며, 열화상 카메라를 이용하여 엽온을 측정하였고, 실험 후 각 묘의 항산화효소를 측정하여 스트레스 여부를 확인하였다. 실험 결과, 상토 무게의 변화는 주간 감소량 보다 야간의 감소량이 더 적은 것으로 나타났으며 각 묘의 무게별 감소량은 차이가 없는 것으로 나타났다. 또한 상토 무게에 따른 생육 변화도 차이가 없는 것으로 나타났다. 하지만 플라보노이드 및 항산화 효소는 상토 무게 50g에서 가장 높게 나타났다. 이는 근권부에 과습 상태가 장시간 지속되어 스트레스를 받은 것으로 판단되며, 추후 장시간 생육 변화, 실시간 환경 변화 조사 및 상토 종류에 따른 증발산량 조사가 필요할 것으로 사료된다.

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References

  1. Ahn, C. K., B. K. Cho, C. Y. Mo, and M. S. Kim. 2012. Study on development of non-destructive measurement technique for viability of lettuce seed(Lactuca sativa L) using hyperspectral reflectance imaging. Journal of the Korean Society for Nondestructive Testing 32(5):518-528 (in korean).
  2. Byun, H. J., Y. S. Kim, H. M. Kang, and I. S. Kim. 2012. Physico-chemical characteristics of used plug media and its effect on growth response of tomato and cucumber seedlings. J. Bio-Environment Control 21(3):207-212(in korean).
  3. Chance, B. and A. C. Maehly. 1955. Assay of catalase and peroxidas II. Academic Press. p.764.
  4. Choi, J. H., M. C. Jeong, and D. M. Kim. 2013. Changes in quality parameters of tomatoes harvested at different mature stages during storage. Kor. J. Food Preserv. 20(2):151-157(in korean).
  5. Huh, M. R., Y. S. Kim, Y. G. Seo, Y. G. Shon, and J. C. Park. 2001. Effect of root zone temperature on the growth, mineral contents, and activities of antioxidative enzymes of tomato plug seedlings. J. Kor. Soc. Hort. Sci. 42(2):147-150(in korean).
  6. Hwang, S. M., T. R. Kwon, E. S. Doh, and M. H. Park. 2010. Growth and physiological adaptations of tomato plants (Lycopersicon esculentum Mill) in Response to water scarcity in soil. J. Bio-Environment Control 19(4):266-274.
  7. Kang, N. J., M. W. Cho, H. C. Rhee, Y. H. Choi, and Y. C. Um. 2007. Differential responses of antioxidant enzymes on chilling and drought stress in tomato seedlings(Lycopersicon esculentum L.). J. Bio-Environment Control 16(2):121-129(in korean).
  8. Kim, H. K., J. H. Chun, and S. J. Kim. 2015. Method development and analysis of carotenoid compositions in various tomatoes. Kor. J. Environ. Agric. 34(3):196-203(in korean).
  9. Kim, Y. B., C. G., An, and Y. H. Lee. 2000. Effect of soil moisture on quality and yield in tomatoes. J. Kor. Soc. Hort. Sci. 41(2):139-142(in korean).
  10. Lee, H. K., M. H. Lee, G. S. Park, E. M. Lee, N. B. Jeon, S. D. Seo, P. H. Cho, Y. S. Kim, S. E. Kim, and S. K. Cho. 2015. Effect of seedling type and early transplanting of summer grown seedling on the growth and yield of tomato. Kor. J. Organic Agri. 23(1):59-66(in korean).
  11. Lee, N. H. and H. S., Lee. 2001. Using leaf temperature for irrigation scheduling in greenhouse. Journal of the Korean Society of Agricultural Engineers 43(6):103-112(in korean).
  12. Nelson, P. V. 2011. Greenhouse operation and management. 7th ed. Prentice hall, Upper saddle river, Englewood cliffs, NJ. USA. p.
  13. Park, E. S. and B. K. Cho. 2014. Development of drought stress measurement method for red pepper leaves using hyperspectral short wave infrared imaging technique. Protected Horticulture and Plant Factory 23(1):50-55(in korean).
  14. Peet, M. M., and D. H. Willits, 1995, Role of excess water in tomato fruit cracking. Hortscience 30(1):65-68.
  15. Peet, M. M., D. H. Willits, and R. Gardner. 1997. Response of ovule development and post-pollen production processes in malesterile tomatoes to chronic, subacute high temperature stress. J. Exp. Bot. 48(306):101-111.
  16. Jang, Y. A., B. H. Mun, C. S. Choi, Y. C. Um, and S. G. Lee. 2014. Graft-take and growth of grafted pepper transplants influenced by the nutrient and irrigation management of scion and rootstock before grafting. Protected Horticulture and Plant Factory, Vol. 23, No. 4:364-370(in korean).
  17. Yoon, K. E., C. M. Hee, and H. Kyung. 1995. Effect of light and water stress on seed germination of cucumber. Horticulture, Environment and Biotechnology 36(6):767-773(in korean).
  18. Yu, Y. M., J. W. Lee, K. Y. Kim, Y. C. Kim, S. G. Lee, T. C. Seo, and H. K. Yun. 2002. Effect of nutrient deficiencies on seedling quality, lateral vine development and yield in white-spin cucumber. J. Biosystems Eng., 43(1):25-28(in korean).
  19. Woo, Y. H., H. J. Kim, Y. I., Nam, I. H., Cho, and Y. S., Kwon. 2000. Pridicting and measuring transpiration based on phytomonitoring of tomato in greenhouse. Horticulture, Environment and Biotechnology 41(5):459-463(in korean).