Home > IV Asian Horticultural Congress – AHC2023 > Estimation of the light extinction coefficients of lateral asparagus ferns using a numerical method

Articles

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

Article number

1404_182

Pages

1311 – 1318

Language

English

Abstract

Asparagus ferns (Asparagus densiflorus) photosynthesize through tiny cladophylls.
In temperate seasons in Japan, cladophylls successively arise laterally from the main stem of some asparagus ferns and form foliages; in this study, we have referred to such ferns as lateral asparagus ferns.
Although some reports have inferred a link between the photosynthesis of lateral asparagus ferns and spear yield, there is still uncertainty regarding modeling light interception by canopies of lateral asparagus ferns.
The goal of this study is to develop an appropriate technique to manage lateral asparagus ferns in Japan through a model-based evaluation of their photosynthetic activities.
The objective of the current study was to estimate the light extinction coefficient of lateral asparagus ferns.
Using a numerical method, the coefficients were obtained from the vertical profile of the solar radiation in a canopy of lateral asparagus ferns and a leaf area index (LAI) sensor.
The results showed that there were barely any changes in the light extinction coefficients of the lateral asparagus ferns throughout this ≥100-day period even though data on lateral asparagus ferns with different LAI values had been used for the estimation.
The proposed method would be helpful for accurately estimating light extinction coefficients of lateral asparagus ferns.

Publication

IV Asian Horticultural Congress – AHC2023

Authors

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

Keywords

photosynthesis, leaf area index, cladophyll, spear yield, crop model, canopy

Full text

https://doi.org/10.17660/ActaHortic.2024.1404.182

Groups involved

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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