Home > IV Asian Horticultural Congress – AHC2023 > Classification of ethylene sensitivity in cut flowers of dahlia and selection of ‘Eternity Shine’ with low ethylene sensitivity

Articles

Classification of ethylene sensitivity in cut flowers of dahlia and selection of ‘Eternity Shine’ with low ethylene sensitivity

Article number

1404_23

Pages

163 – 168

Language

English

Abstract

Dahlia (Dahlia variabilis) is used for cut flowers, which has become popular in recent years.
In 2020, we bred three cultivars with a genetically determined long vase life, ‘Eternity Torch’, ‘Eternity Romance’ and ‘Eternity Rouge’ (called the “Eternity series”). On the other hand, the value of cut flowers is lost in short period when petal abscission is induced by ethylene during storage and transportation, which is observed even in the Eternity series.
In the present study, we investigated ethylene sensitivity of the dahlia cut flowers using commercial cultivars and lines with long vase life bred in our research group, to classify ethylene sensitivity.
The ethylene sensitivity was investigated by response to 10 µL L^‑1 exogenous ethylene treatment, as the number of days from harvest until one-third of all petals showed wilting, or abscission of ten or more petals.
As a result, there were large differences in ethylene sensitivity among cultivars and lines.
The ethylene sensitivity of dahlia was classified into three types according to their vase life and occurrence of abscission: abscission within 4 days (High), abscission after 4 days (Middle), without abscission during senescence (Low). Totally 31 cultivars and 55 lines were used for the investigation, and classified 56, 27 and 3 were high, middle and low sensitivities, respectively.
Furthermore, investigations were carried out in winter-spring and summer-autumn seasons, and it was found that there was seasonal variation in the ethylene sensitivity of dahlia cut flowers.
Thus, lines with low ethylene sensitivity were selected, and ‘Eternity Shine’ was obtained which vase life was 10.0 days with 10 µL L^‑1 ethylene treatment in 2020 summer-autumn season.
These cultivars and lines will be used in the future to clarify the genetic mechanism of ethylene response in dahlias.

Publication

IV Asian Horticultural Congress – AHC2023

Authors

T. Fujimoto, T. Onozaki

Keywords

breeding, ethylene response, flower vase life, petal abscission, senescence

Full text

https://doi.org/10.17660/ActaHortic.2024.1404.23

Groups involved

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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