Home > IV Asian Horticultural Congress – AHC2023 > Trehalose and forchlorfenuron reduced the time required for picking berries but not bunch quality in the hybrid grape Vitis labrusca × V. vinifera ‘Shine Muscat’

Articles

Trehalose and forchlorfenuron reduced the time required for picking berries but not bunch quality in the hybrid grape Vitis labrusca × V. vinifera ‘Shine Muscat’

Article number

1404_138

Pages

1009 – 1014

Language

English

Abstract

Picking excess berries is essential to obtaining high-quality bunches of table grapes.
However, this operation requires a great deal of labor in the short-term, so labor-saving is needed.
We observed that the number of flowers per bunch significantly decreased when 10% trehalose was injected into the buds of ‘Shine Muscat’ (Vitis labrusca × V. vinifera). Although this result suggested that the time of picking berries could be cut by the use of trehalose, the number of berries per bunch before picking berries did not differ between the bunches with and without the injection of trehalose.
As a cause of this result, the involvement of CPPU (forchlorfenuron), a synthetic cytokine-like plant regulator used to promote grape berry set and development, was suspected.
Therefore, we investigated the effects of trehalose and CPPU on the time of picking berries and bunch quality.
In 2022, three ‘Shine Muscat’ trees in the orchard of the University of Akita-Pref in Japan were used.
On May 3 250 μL of 10% trehalose was injected into the buds just before bud break using a microsyringe.
A lateral branch of each bunch was dipped twice into a gibberellin (GA) solution for seedless treatment.
In the first GA solution, 2.5 ppm CPPU was added.
With trehalose injection, the number of flowers per bunch was significantly reduced.
Without CPPU, the number of shot-berries increased, resulting in longer times of picking berries.
The average time of picking berries with both trehalose and CPPU was significantly shorter (30 s bunch^‑1) than that without trehalose and with CPPU (conventional). The quality of the bunch with both trehalose and CPPU was not different from that of the convention.
These results suggested that the injection of trehalose into buds could save labor for picking berries.

Publication

IV Asian Horticultural Congress – AHC2023

Authors

N. Kitamoto, A. Wakabayashi, M. Kondo, R. Sawai, Y. Sato, Y. Yoshida, H. Kanda, H. Imanishi

Keywords

berry thinning, cytokinin, flowering, fruit, gibberellin, sugar

Full text

https://doi.org/10.17660/ActaHortic.2024.1404.138

Groups involved

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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