All Issue

2015 Vol.33, Issue 4 Preview Page
Medium Depths and Fixation Dates of ‘Seolhyang’ Strawberry Runner Plantlets in Nursery Field Influence the Seedling Quality and Early Growth after Transplanting

차근육묘를 위한 배지의 깊이 및 착근 시기가 ‘설향’ 딸기 자묘 소질과 정식 후 초기 생장에 미치는 영향

Gab Soon Park1
,
Jong Myung Choi2*
박 갑순1
,
최 종명2*
1Buyeo-gun Agriculture Technology Center
2Department of Horticultural Sciences, College of Agriculture and Life Sciences, Chungnam National University
1부여군농업기술센터
2충남대학교 원예학과
*교신저자. *Corresponding Author. 
31 August 2015. pp. 518-524
PDF XML Citation
Abstract

The objective of this research was to investigate the influence of various depths of expanded rice hull (ERH) medium and fixation dates of runner plantlets of ‘Seolhyang’ strawberry on the growths in nursery field and in plastic house soil after transplanting. The five treatments in medium depths (30, 50, 70, 90, and 110 mm) and four treatments in fixation dates (1st and 15th July and 1st and 15th August) were tested. The growths of runner plantlets were investigated before transplanting to plastic house soil. The early growth and inflorescence rates of crops after transplant to plastic house soil were also investigated. The plant height and fresh weight of runner plantlets were the highest in the medium depths of 50, 70, and 90 mm. The medium depth of 30 mm had higher numbers of first roots, but lower root fresh weight compared to those of 70, 90, and 110 mm. The treatment of 30 mm in medium depth showed poorer growth in all indexes except root length and root weight compared to those of 70, 90, and 110 mm. The runner plantlets fixed on July 1 and July 15 showed good root growth and the weights of ERH adhered to form root balls were 18.3 g and 13.9 g, respectively. The detached amount of ERH was less than 40% in the two treatments when root balls were shaken by a vibratory sieve shaker. The plant growth at 45 days after transplanting to plastic house soil were not significantly different when the runner plantlets were fixed in the period from July 1 to Aug. 1. The inflorescence rates of the first cluster were 93 to 100% when runner plantlets were fixed in the period from July 1 to Aug. 1. By contrast the runner plantlets fixed on the Aug. 15 had a 67% in florescence rate for the first cluster. These results indicate that optimum depth of ERH medium was 7 cm and the ranges of optimum fixation dates are from July 20 to 25.

Keywords
above ground tissue
budding rates
rate of detached medium
root growth

‘설향’ 딸기 차근육묘에서 팽연왕겨 배지의 깊이 및 착근시기가 자묘의 생장과 본포 정식 후 초기 생장에 미치는 영향을 구명하고자 본 연구를 수행하였다. 배지 깊이에 따른 자묘 생장에서 초장은 50, 70, 및 90mm 처리가 컸고, 엽수, 관부 직경, 및 1차 근수는 처리별 차이가 인정되지 않았다. 뿌리 생체중은 배지 깊이를 70, 90, 및 110mm로 조절한 처리가 30 또는 50mm로 조절한 처리들 보다 뚜렷하게 무거웠고, 근장은 90과 110mm 처리가 가장 길었다. 지상부 생체중은 70mm 처리에서 가장 무거웠고 이 보다 얕거나 깊은 배지 깊이 처리들에서 생장량이 적어졌다. 착근시기에 영향을 받은 자묘의 생장에서 착근 시기가 빠를수록 초장, 엽 면적, 관부 직경 및 생체중 등 생장이 우수하였다. 그러나 1차 근수 및 뿌리 생체중은 7월 1일, 7월 15일 및 8월 1일의 세 처리간 통계적인 차이가 인정되지 않았다. 착근시기가 빠를수록 근권의 왕겨 부착량이 많았으며, 체 진동기를 사용하여 왕겨의 제거율을 조사한 결과 7월 1일과 7월 15일 처리는 40% 미만, 8월 1일 및 8월 15 처리는 각각 64% 및 70%로써 정식 시 왕겨 제거를 위한 노동력 요구도가 높았다. 착근시기가 다른 자묘를 본포에 정식하고 45일 후 생육을 조사한 결과 7월 1일 및 15일 그리고 8월 1일 착근한 처리의 1화방 출뢰율은 93-100%, 8월 15일 처리는 67% 였다. 본 실험 결과 팽연왕겨 차근육묘의 적절한 배지 깊이는 70mm, 그리고 착근시기는 7월 20-25일이며, 이상의 결과를 활용하여 육묘농가의 시행착오가 감소하고 양질묘가 생산될 수 있다고 예상한다.

키워드
지상부
출뢰율
배지 탈락률
뿌리 생장
References
1
Choi, J.M., H.J. Chung, and J.S. Choi. 2000. Physico･chemical properties of organic and inorganic materials used as container media. Kor. J. Hort. Sci. Technol. 18:529-535.
2
Choi, J.M., J.Y. Park, and M.K. Youn. 2010. Impact of physico･chemical properties of root substrates on growth of ‘Seolhyang’ strawberry daughter plants occurred through bag culture of mother plants. Kor. J. Hort. Sci. Technol. 28:964-972.
3
Hwang, I.T., K.C. Cho, J.H. Lee, S.J. Chung, K.S. Kim, and J.G. Kim. 2003. Effect of substrate kind and depth on growth and development of hydroponically-grown Chrysanthemum grandiflorum cv. Chungwoon. J. Kor. Soc. Hort. Sci. 44:107-113.
4
Jang, W.S., H.S. Kim, T.I. Kim, and Y.G. Nam. 2009. Comparison of cultivars on production of runner and daughter plant in strawberry. Kor. J. Hort. Sci. Technol. 27(Supplement II):49. (Abstr.)
5
Kim, J.Y., K.M. Kim, and J.K. Sohn. 2003. Effect of nursery soil made of expanded rice hull on rice seedling growth. Kor. J. Hort. Sci. Technol. 48:179-183.
6
Lee, S.G., S.I. Shim, B.H. Kang, H.S. Lee, and Y.S. Seok. 1997. Effect of pot depth on root development and distribution during seedling growing period in tobacco. J. Kor. Soc. Tobacco Sci. 19:18-23.
7
Lee, J.W. 1999. Improvement of physico･chemical properties of rice hull-based substrate for raising seedlings. PhD Diss., Seoul Natl. Univ., Seoul, Korea.
8
Lee, W.K. 2008. Studies on nursery system and soil management for forcing culture of domestic strawberry cultivar in Korea. PhD Diss., Chungnam Natl. Univ., Daejeon, Korea.
9
Lee, K.H. 2013. Effect of management method at seedling raising stage of strawberry ‘Seolhyang’ on growth and yield. PhD Diss., Kong Ju Natl. Univ., Kong Ju, Korea.
10
Lim, J.H., J.T. Yoon, I.S. Kim, and B.S. Choi. 1995. Effect of amount of rice hulls mixture on growth and yield of tomato by nutriculture media. RDA J. Agr. Sci. 37:363-366.
11
Nelson, P.V. 2003. Greenhouse operation and management. 6th ed. Prentice Hall, NJ.
12
Oh, M.T. 2012. Study on the bio-refinery process for the integral utilization of rice husk. PhD Diss., Chungnam Natl. Univ., Daejeon, Korea.
13
Park, G.S., Y.C. Kim, M.S. Kim, and S.W. Ann. 2015a. Effect of mixed bed soil on growth of aerial parts and roots of daughter plants for nursery field strawberry seedling raising with expanded rice-hull. J. Environ. Sci. Int. 24(2):189-196.
14
Park, G. S., Y.C. Kim, S.W. Ann, H.K. Kang, and J.M. Choi. 2015b. Changes in moisture contents of rice-hull based root media and growth responses of ‘Seolhyang’ strawberry during vegetative propagation. Kor. J. Hort. Sci. Technol. 33:47-54.
15
Rhee, H.C., K.H. Kang, K.B. Kweon, and Y.H. Choi. 2001. Effect of root zone temperature during the night on the growth and yield of perlite cultured tomato in winter. J. Bio-Environ. Con. 10:30-35.
16
Rural Experiment Administration (RDA). 2001. Labor saving strawberry propagation using rice-hull based root media. Suwon, Korea.
17
Rural Experiment Administration (RDA). 2008. Cultivation manual of new cultivar ‘Seolhyang’ strawberry. Suwon, Korea.
18
Udagawa, Y., T. Ito, and K. Gomi. 1989. Effects of root temperature on some physiological and ecological characteristics of strawberry plants ‘Reiko’ grown in nutrient solution J. Jpn. Soc. Hortic. Sci. 58:627-633 (in Japanese).
Information
  • Publisher :KOREAN SOCIETY FOR HORTICULTURAL SCIENCE
  • Publisher(Ko) :원예과학기술지
  • Journal Title :Horticultural Science and Technology
  • Journal Title(Ko) :원예과학기술지
  • Volume : 33
  • No :4
  • Pages :518-524
  • Received Date : 2015-01-06
  • Revised Date : 2015-03-15
  • Accepted Date : 2015-04-01
  • DOI :https://doi.org/10.7235/hort.2015.15004
Journal Informaiton Horticultural Science and Technology Horticultural Science and Technology
Online Submission
  • scopus
  • NRF
  • KOFST
  • crossref crossmark
  • crossref cited-by
  • crosscheck
  • orcid
  • open access
  • ccl
Journal Informaiton Journal Informaiton - close