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- Title
염생식물 칠면초(Suaeda japonica)의 종자발아와 유묘생장에 종자 보관기간과 토양구성이 미치는 영향
- Authors
곽용성; 김시은; 오지철; 박서경; 최한길
- Abstract
Seed germination and seedling growth of a halophyte, Suaeda japonica were examined to measure the effects of seed preservation periods and various soil compositions in the mudflat of Saemangeum, Korea. Seed germination declined from 74.30% to 44.30% as the preservation period increased from 4 months to 12 months. After 14 days of seeding, seed germination was lowest in sandy soil (SS) at 8.67% and highest in earthworm cast+leaf mold (EC+LM) at 67.33%, showing 4~5 times higher than SS. The average lengths of seedlings were 12.20 mm in SS and 42.20 mm in EC+LM, respectively. These results suggest that seed germination and seedling growth enhanced in the soil that has more organic matter. In the experiment mixing Saemangeum soil (SMS), seed germination was from 4.00% in SMS to 88.00% in the soil of SMS+EC+LM after 14 days. Similar growth patterns were observed in the length of seedlings from 5.00 mm in SMS to 49.60 mm in SMS+EC+LM. The present results indicate that a population of Suaeda japonica could be established by stimulating seed germination and seedling growth by the addition of organic matters such as EC, LM, and EC+LM in the Saemangeum mud flat.
- Subjects
SOUTH Korea; GERMINATION; SOIL composition; SANDY soils; MUD; SOWING; HALOPHYTES
- Publication
Ocean & Polar Research, 2022, Vol 44, Issue 4, p311
- ISSN
1598-141X
- Publication type
Article
- DOI
10.4217/OPR.2022021