Home > IV Asian Horticultural Congress – AHC2023 > Prediction of yield based on fruit set and dry matter production in greenhouse tomato

Articles

Prediction of yield based on fruit set and dry matter production in greenhouse tomato

Article number

1404_173

Pages

1249 – 1256

Language

English

Abstract

This study aimed to predict the yield of high-Brix tomatoes in a large-scale commercial greenhouse with our dry matter distribution to fruits (DDF) fluctuation model.
The greenhouse area was 1944 m², and 11593 plants were grown from February 25, 2017, to February 16, 2018. First, we identified average number of fruit set at n DAT (aNFS_n). aNFS_n fluctuated from 1.52 to 6.5 fruits m^‑2 day^‑1 throughout the experiment.
Second, we predicted the fluctuation of dry matter distribution to fruits at n DAT (DDF_n) based on number of fruits on the plant (NFP_n). The relationship between NFP_n and DDF_n follows the linear regression function.
To set the maximum DDF_n to 0.75 g g^‑1, we adjusted the coefficient by adjusting the light use efficiency (LUE; g MJ^‑1), which was used for the total dry matter production (TDM) calculation, to 1.65. When the LUE was 1.65, the coefficient a was 0.0042 and the coefficient of determination (R²) was 0.87. DDF_n reached the highest of 0.75 g g^‑1 in June and then it decreased continuously to 0.39 g g^‑1 in August.
The fluctuations in DDF_n occurred later than those in TDM_n and aNFS_n Then, we predicted fresh yield at n DAT (FYp_n) and compared it with observed one (FYo_n). FYo_n and FYp_n reached more than 70 g m^‑2 before September.
Both FYo_n and FYp_n decreased from the first of August to the middle of September.
After mid-October, FYo_n and FYp_n did not match well for timing and amount.
MAPE between FYo_n and FYp_n was 19.6 and 25.4% when using our DDF fluctuation model or previous DDF constant model, respectively.
These results suggest that we succeeded to predict DDF based on fruit set data and improved the accuracy of yield prediction using our DDF fluctuation model with unintended changes in the fruit set condition.

Publication

IV Asian Horticultural Congress – AHC2023

Authors

M. Itoh, Y. Muramatsu, D.H. Ahn, T. Higashide

Keywords

high Brix, hydroponics, dry matter distribution, dry yield, light use efficiency, maturation, number of fruits

Full text

https://doi.org/10.17660/ActaHortic.2024.1404.173

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