차광 처리가 빌레나무(Maesa japonica)의 개화 및 생장에 미치는 영향

• 영문명: Effects of Artificial Shading on Flowering and Growth of Maesa japonica Seedlings
• 발행기관: 한국자원식물학회
• 저자명: 박민지(Min Ji Park) 서연옥(Yeon Ok Seo) 최형순(Hyung Soon Choi) 최병기(Byoung Ki Choi) 임은영(Eun Young Im) 양주은(Ju Eun Yang) 이채빈(Chae bin Lee)
• 간행물 정보: 『한국자원식물학회지』제34권 제5호, 462~469쪽, 전체 8쪽
• 주제분류: 농수해양 > 기타농수해양
• 파일형태: PDF
• 발행일자: 2021.10.30

영문 초록

Maesa japonica (Thunb.) Moritzi & Zoll. is a rare evergreen shrub that occurs in west Gotjawal, Jeju island, Korea. This study was conducted to investigate effects of an artificial shading on flowering and growth characteristics of M. japonica seedlings. The level of shading had been set to be 35%, 55% and 75% using shading net. The stage of flowering and flowering ratio, seedling height, the number of leaves and stems, leaf area were measured. Flowering timings were delayed by shading. The number of flowering seedlings per plot and inflorescences per seedling were the most in 55% shading level. Tendency of decreased seedling height with increased shading level was shown. The number of leaves and stems were the fewest values in 75% shading level. The increased biomass with decreased shading level was statistically significant. Aboveground and underground biomass were 2.1 and 1.7 times higher in shading 35% than in shading 75%, respectively. Meanwhile, all seedlings in non-shading plots were dead in winter. Such might be speculated as results of the light stress. As a result, we conclude that M. japonica vitally demands the shading for growth and the optimal shading levels for growth and flowering are 35% and 55%, respectively.

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재료 및 방법

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키워드

Anthesis Biomass Light environment Seedling height Shade-intolerance