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2020 Vol.29, Issue 2 Preview Page

Original Articles

Optimization of Cultivation Conditions on Effective Seedlings of Veronica rotunda var. subintegra (Nakai) T.Yamaz.

산꼬리풀의 효과적인 육묘를 위한 재배조건 최적화

Sang In Lee12
,
Soo Ho Yeon23
,
Ju Sung Cho23
,
Mi Jin Jeong1
,
Cheol Hee Lee23*
이 상인12
,
연 수호23
,
조 주성23
,
정 미진1
,
이 철희23*
1Division of Plant Resources, Korea National Arboretum, Yangpyeong 12519, Korea
2Division of Animal, Horticultural, and Food Sciences, Department of Horticulture, Chungbuk National University, Cheongju 28644, Korea
3Brain Korea 21 Center for Bio-Resource Development, Chungbuk National University, Cheongju 28644, Korea
1국립수목원 식물자원연구과
2충북대학교 축산․원예․식품공학부 원예학전공
3충북대학교 생물건강소재 산업화 사업단
*Corresponding author: leech@chungbuk.ac.kr
30 April 2020. pp. 181-188
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Abstract

This study was conducted to identify the optimal conditions for seedling growth in Veronica rotunda var. subintegra (Nakai) T.Yamaz. which a endemic plant and can be development as ornamental plants. We sowed V. rotunda var. subintegra (Nakai) T.Yamaz. seeds, and exposed the seedling was different treatment conditions. We varied soil type and fertilizer concentration, shading ratio, additional fertilizer concentration, pretreatment light exposure and collection time of seeds. We found that seedling growth was good in horticultural substrate (with no additional fertilizer), but mixed soils supplemented with fertilizer inhibited growth, regardless of the fertilizer concentration. In the 55% shading treatment, seedling growth was greater than in the non-shading treatment. High concentration addition of fertilizer (Hyponex) promoted plant growth, in terms of both plant length and fresh weight. Exposure of seeds to a red light-source prior to germination had a greater effect on seedling growth than exposure to other light sources. Seedlings exhibited better growth when grown from seed collected in 2018, rather than 2017.

Keywords
collection time of seeds
conditions for seedling growth
endemic plant
promoted plant growth
red light-source

본 연구는 국내 특산식물이며 관상소재로 개발이 가능한 산꼬리풀의 효과적인 육묘조건을 구명하기 위해 수행되었다. 육묘는 토양 종류와 비료 농도, 차광정도, 추비 농도, 종자의 광원 전처리 및 채종 시기별로 각 요인을 달리하여 수행하였다. 연구 결과, 산꼬리풀은 원예상토에서 생육이 우수하였으며, 혼용토에서는 비료 첨가 시 생육이 억제되었다. 차광은 55% 차광조건에서 무차광에 비해 전체적인 생육이 향상되었다. 고농도(1000mg·L-1)의 Hyponex는 육묘 시 생육을 촉진하였으며, 파종 전 종자에 대한 적색광 조사는 추후 초장과 생체중 향상에 효과적이었다. 채종 시기는 2018년도 종자가 2017년 종자보다 생육이 우수하였다.

키워드
생육촉진
육묘조건
적색광
채종시기
특산식물
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Information
  • Publisher :The Korean Society for Bio-Environment Control
  • Publisher(Ko) :(사)한국생물환경조절학회
  • Journal Title :Protected Horticulture and Plant Factory
  • Journal Title(Ko) :시설원예ㆍ식물공장
  • Volume : 29
  • No :2
  • Pages :181-188
  • Received Date : 2019-10-07
  • Revised Date : 2020-03-23
  • Accepted Date : 2020-03-31
  • DOI :https://doi.org/10.12791/KSBEC.2020.29.2.181
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