Development of colored-woven films and demonstration of ginseng seedling production in a greenhouse

IF 2.4 3区 农林科学 Q1 Agricultural and Biological Sciences Horticulture Environment and Biotechnology Pub Date : 2024-01-19 DOI:10.1007/s13580-023-00587-y
Inbae Jang, Byungkwan Lee, Janguk Kim, Changhoo Chun
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Abstract

Ginseng has some chronic problems caused by the conventional shading structure. Although greenhouse cultivation has been expanded as an affordable alternative solution, no suitable colored woven film (WF), considering the durability, environmental changes, and growth parameters, has yet not been developed. After checking the light reflectance, solar light transmittance, and spectral photon flux distribution of various colored WFs, pearl WF (high light reflectance of 90% and close to 1.0 B/R light ratios) is expected to have positive effects such as increasing growth by manipulating B/R light ratios including temperature reduction due to albedo difference was mass-produced. In this study, 85% two-layered black shade net with general polyethylene film (black PE), blue WF, and pearl WF were covered on the greenhouses to investigate microclimate and growth ginseng. Spectral light through the films indicated that the blue (B) to red (R) light ratios of pearl WF (1.07–1.50) were lower than that of the black PE (0.83–1.69) and blue WF (1.94–8.68) regardless of the weather, whereas the difference in red to far-red light among the films was less than 25%. The air temperature at 2 pm of the pearl WF was 0.6–2.4oC lower than that of the black PE and blue WF in the summer. The plants grown under the pearl WF had an overall increase in the growth of the aerial part, including the leaf area, more than that of the black PE or blue WF, thereby having the most significant root weight at the time of final harvest. Aside from the targeted product, the total chlorophyll content of the ginseng grown under blue WF was maintained at a high level. The results from the experiment summarized that the pearl WF is recommended to increase the root weight of ginseng because it can ensure durability and provide a cost-effective approach for manipulating microclimate properties to promote their growth.

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开发彩色编织膜并在温室中示范人参育苗
传统的遮阳结构给人参带来了一些长期问题。虽然温室栽培作为一种经济实惠的替代解决方案已得到推广,但考虑到耐久性、环境变化和生长参数,目前尚未开发出合适的彩色编织膜(WF)。在检测了各种彩色编织膜的光反射率、太阳光透射率和光谱光通量分布后,珍珠编织膜(高光反射率达 90%,B/R 光比接近 1.0)有望通过调节 B/R 光比(包括反照率差异导致的温度降低)来提高生长等积极效果,并已批量生产。本研究在温室中覆盖了 85% 的双层黑色遮阳网,其中包括普通聚乙烯薄膜(黑色 PE)、蓝色 WF 和珍珠 WF,以研究人参的微气候和生长情况。透过薄膜的光谱光表明,无论天气如何,珠光 WF 的蓝光(B)与红光(R)之比(1.07-1.50)均低于黑 PE(0.83-1.69)和蓝 WF(1.94-8.68),而不同薄膜的红光与远红光之比相差不到 25%。在夏季,珠光 WF 下午 2 点的气温比黑色 PE 和蓝色 WF 低 0.6-2.4 摄氏度。在珠光 WF 下生长的植株,其气生组织(包括叶面积)的整体增长速度高于黑色 PE 或蓝色 WF,因此在最终收获时,其根重最为显著。除了目标产品外,在蓝色 WF 下生长的人参的总叶绿素含量也保持在较高水平。实验结果总结说,珍珠 WF 可确保人参的耐久性,并提供了一种具有成本效益的方法来控制微气候特性,以促进人参的生长,因此推荐使用珍珠 WF 来增加人参的根重。
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来源期刊
Horticulture Environment and Biotechnology
Horticulture Environment and Biotechnology Agricultural and Biological Sciences-Horticulture
CiteScore
4.30
自引率
4.20%
发文量
0
审稿时长
6 months
期刊介绍: Horticulture, Environment, and Biotechnology (HEB) is the official journal of the Korean Society for Horticultural Science, was launched in 1965 as the "Journal of Korean Society for Horticultural Science". HEB is an international journal, published in English, bimonthly on the last day of even number months, and indexed in Biosys Preview, SCIE, and CABI. The journal is devoted for the publication of original research papers and review articles related to vegetables, fruits, ornamental and herbal plants, and covers all aspects of physiology, molecular biology, biotechnology, protected cultivation, postharvest technology, and research in plants related to environment.
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