Home > IV Asian Horticultural Congress – AHC2023 > A study on okra (Abelmoschus esculentus) and thanksgiving cactus (Schlumbergera truncata) for the introduction as rooftop greenhouse plants

Articles

A study on okra (Abelmoschus esculentus) and thanksgiving cactus (Schlumbergera truncata) for the introduction as rooftop greenhouse plants

Article number

1404_41

Pages

301 – 308

Language

English

Abstract

Rooftop greenhouse (RTG) is a type of urban agriculture, in which various plants can be grown on the tops of buildings in a city.
Growing vegetables in the RTG can reduce carbon footprint through local production and consumption and provide green space for city residents.
Furthermore, in the cultivation of vegetables in the RTG, the selection of media is important for reasonable cost, lightness, and stable chemical properties While cooling and heating systems in buildings contribute significantly to carbon dioxide (CO₂) emissions, this greenhouse gas can be effectively repurposed by utilizing it for plant growth within RTGs.
The CO₂ enrichment enhances plant growth rate and shortens the growth period.
Crassulacean acid metabolism (CAM) plants use surplus CO₂ generated by a building at night when ventilation is not needed in the RTG. We conducted an optimum medium selection of okra (Abelmoschus esculentus) and photosynthesis characteristics of thanksgiving cactus (Schlumbergera truncata) for the introduction as RTG plants.
Okra has high edible value and is often used in cuisine.
Okra grown in RTG can be delivered to nearby restaurants at low transportation costs, reducing its carbon footprint.
The most suitable media for seed germination and seedling growth of okra in RTG is a medium comprising peatmoss (PT) and perlite (PL) mixes (PT:PL = 1:2). Thanksgiving cactus is a multi-flowering cactus and has a variety of flower colors.
Thanksgiving cactus grows of phylloclade unit, and the second phylloclade is more mature than the top phylloclade.
Thanksgiving cactus’ second phylloclade exhibits a C₃-CAM pattern that uptake CO₂ at day and night, and the top phylloclade exhibits a C₃ pattern that uptake CO₂ during the day.
Okra can reduce the carbon footprint through local production and consumption through RTG cultivation, and thanksgiving cactus is expected to improve growth with night CO₂ enrichment using building surplus CO₂.

Publication

IV Asian Horticultural Congress – AHC2023

Authors

S.Y. Lee, S.H. Jung, Y.J. Kim

Keywords

carbon dioxide, carbon footprint, crassulacean acid metabolism, plant growth media, urban agriculture

Full text

https://doi.org/10.17660/ActaHortic.2024.1404.41

Groups involved

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180. Bioaccumulation of heavy metals from substrates elaborated with waste of tires and cables in lettuce

P.A. Casquero | A. Porteous | C. Domínguez | A. Rodríguez-González | S. Mayo-Prieto

181. Effects of rain-protected culture in a plastic greenhouse using the whole harvest cultivation method for one-year-old asparagus plants

S. Yamashita | K. Seimiya | K. Yamafuji | T. Taguchi | S. Motoki

182. Estimation of the light extinction coefficients of lateral asparagus ferns using a numerical method

T. Kuroyanagi | H. Yoshikoshi | M. Hikawa-Endo

183. Glycine betaine material affects the growth and yield of asparagus in the long-term harvest production system in a semi-forcing culture

F. Satake | K. Okada | Y. Yoshida | W. Sakata | S. Motoki

184. Mounding increases the rate of thick spears of asparagus

K. Suzuki | Y. Ayabe | A. Kato | S. Motoki

185. Investigation of nutrient solution management in hydroponics using organic fertilizer

T. Endoh | M. Takagaki | P. Suwitchyanon | C. Chaturong

186. Effect of different cultivation methods and environments on the growth and yield of Shimonita-Negi

M. Okabe | K. Obokata | T. Hirose | Y. Hashida

187. Predicting corn salad (Valerianella spp.) weight in a plant factory with artificial lighting (PFAL) using K-Nearest Neighbors algorithm (KNN)

S. Dhammayorddee | C. Chanseetis | A. Kato | M. Takagaki | N. Lookin

188. The effect of water and fertilizer types on growth and yield of supan-supan (Neptunia oleracea) cultivated on flooded Ultisol media

H. Susanti | J. Purnomo | O.A. Kumadawara

189. Effect of low sunlight and high temperature during flower bud differentiation on the cut flower quality of carnation ‘Cherry Tessino’

S. Kamachi | R. Sakai | S. Nagashima | S. Mori

190. Deficit irrigation and fertilizer rates affecting growth, flower quality and physiological changes in tuberous begonia grown in plant factory

C. Inkham | K. Panjama | S. Ruamrungsri

191. Growth and flowering characteristics of Calendula under different light spectra in a controlled environment

M. Munyanont | N. Lu | T. Joilek | D.F. Rachma | M. Takagaki

192. Selection of optimal marigold (Tagetes patula) cultivar as an edible flower in a plant factory

N.Y. Kwak | B.H. Sung | K.P.S. Kumaratenna | Y.Y. Cho

193. Promoting flower yields, photosynthetic pigments and some secondary metabolite in Marguerite daisy (Chrysanthemum frutescens L.) cut flower under the smart farming system by pinching technique

Y. Luekhampa | C. Seelatlao | W. Chareontham | J. Sanitchon | P. Hongpakdee

194. Nutrient deficiencies affect growth and development of vinca

S. Ruamrungsri | C. Inkham | K. Panjama

195. Relationship between Asian ginseng decline and soil chemical property

Md.A.A. Mahmud | Y. Matsubara | T. Ikezawa

196. Influence of different flower vases on the impression of cut flowers

Y. Mitarai

197. Effects of different LED light spectrum on growth and cannabinoid contents of Cannabis sativa L. hybrid ‘KKU’ cultivars under an indoor pot cultivation

P. Nounbunma | P. Hongpakdee | J. Paluka | C. Lapjit

198. Effects of cultivation environmental factors on the growth of the edible cactus (Nopalea cochenillifera) grown under hydroponic conditions

S. Tsuchimoto | K. Okada | K. Kondo | T. Horibe

199. Calcium and magnesium biofortification of the edible cactus Nopalea cochenillifera grown under hydroponic conditions

E. Nishimura | K. Hayashi | T. Horibe

200. Effect of selling area, period, and type on the price of okra (Abelmoschus esculentus L.) in Japan

L. Sato | N. Miyamoto | S. Motoki

201. Comparative analysis of asparagus marketing practices in Europe, North America, and Asia during summer and autumn

S. Yamashita | S. Motoki

202. Edible alleys in the discourse of urban horticulture: a case study on densely built urban renewal districts in Chiayi, Taiwan

T.I. Lee

203. Application of calcium chloride on yield and quality of Capsicum annuum L.

N. Montri | S. Sengseng | R. Deewatthanawong | K. Bunya-atichart

204. Development of a growth state estimation system using a moving camera in strawberry cultivation

S. Matsuo | H. Umeda

205. The impact of adding nanoparticles to the media to speed up the in vitro multiplication stage of banana explants

P. Nugrahani | I.R. Moeljani