细胞尺寸对Ebb和Flow灌溉系统中人参幼苗生长和形态的影响

IF 1 4区 农林科学 Q3 HORTICULTURE
B. Lee, Minh Duy Pham, Hyunseung Hwang, I. Jang, C. Chun
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引用次数: 4

摘要

为了设计一种用于人参幼苗生产的新型插盘,研究了决定根区体积的细胞高度和直径对人参幼苗生长和形态的影响。将栽培品种“春蓬”的分层种子播种到具有不同细胞高度(150、200、250和300mm)、直径为50mm(表示为H150、H200、H250和H300)和不同细胞直径(15、20、30、50和75mm)、高度为200mm(表示为D15、D20、D30、D50和D75)的容器中,并用商业生长介质填充。然后在植物工厂安装的有人工光的涨落灌溉系统中培育幼苗20周。鲜重和干重、根长和叶面积随着细胞高度增加到300mm而增加。芽和根的长度、鲜重和根干重、根系直径和叶面积都随着细胞直径增加到30mm而增加。D30和D75之间的根系直径没有显著差异,但根系有更大的扩张空间。细胞高度和直径的进一步增加超过H200或D30对增加植物生长无效。人参幼苗的根在高度为200mm、直径为30mm的细胞中又长又厚。因此,开发了一种高度和直径分别为200mm和30mm的新型插盘,其根体积为141.37mL,种植密度为1156株/m2(9 cm2/株)。附加关键词:细胞直径,细胞高度,人参幼苗生产,人参,插盘设计
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Growth and Morphology of Ginseng Seedlings Cultivated in an Ebb-and-Flow Subirrigation System as Affected by Cell Dimension
To design a novel plug tray for ginseng seedling production, the effects of cell height and diameter, which determine root-zone volume, on growth and morphology of ginseng seedlings were investigated. Stratified seeds of the cultivar ‘Chunpoong’ were sown into containers with different cell heights (150, 200, 250, and 300 mm) with a diameter of 50 mm, denoted as H150, H200, H250, and H300, and different cell diameters (15, 20, 30, 50, and 75 mm) with a height of 200 mm, denoted as D15, D20, D30, D50, and D75, and filled with commercial growing media. Seedlings were then grown for 20 weeks in an ebb-and-flow subirrigation system installed in a plant factory with artificial light. Fresh and dry weights, length of roots, and leaf area increased as the cell height increased up to 300 mm. Length, fresh and dry weights of both shoots and roots, root diameter, and leaf area all increased as the cell diameter increased up to 30 mm. The root diameter was not significantly different between D30 and D75, though the roots had more space to expand. A further increase in cell height and diameter beyond H200 or D30 was not effective at increasing plant growth. The roots of ginseng seedlings were long and thick in the cells with a height of 200 mm and diameter of 30 mm. As a result, a novel plug tray was developed with a height and diameter of 200 mm and 30 mm, respectively, resulting in a root volume of 141.37 mL and planting density of 1,156 seedlings/m 2 (9 cm 2 /plants). Additional key words: cell diameter, cell height, ginseng seedling production, Panax ginseng, plug tray design
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来源期刊
CiteScore
2.00
自引率
0.00%
发文量
0
审稿时长
1 months
期刊介绍: Horticultural Science and Technology (abbr. Hortic. Sci. Technol., herein ‘HST’; ISSN, 1226-8763), one of the two official journals of the Korean Society for Horticultural Science (KSHS), was launched in 1998 to provides scientific and professional publication on technology and sciences of horticultural area. As an international journal, HST is published in English and Korean, bimonthly on the last day of even number months, and indexed in ‘SCIE’, ‘SCOPUS’ and ‘CABI’. The HST is devoted for the publication of technical and academic papers and review articles on such arears as cultivation physiology, protected horticulture, postharvest technology, genetics and breeding, tissue culture and biotechnology, and other related to vegetables, fruit, ornamental, and herbal plants.
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