Drought and Darkness during Long-Term Simulated Shipping Delay Post-Shipping Flowering of <i>Phalaenopsis</i> Sogo Yukidian ‘V3’

We investigated the relationship between simulated shipping (SS) without watering or light and post-shipping growth and flowering of <i>Phalaenopsis</i> Sogo Yukidian ‘V3’. Two experimental environments were created: a low-temperature chamber for simulated shipping and a growth chamber f...

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Autores principales:	Ju Hui Jeong, Wook Oh
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	CAM plants leaf yellowing chlorophyll content photochemical reflectance index chlorophyll fluorescence moth orchid Plant culture SB1-1110
Acceso en línea:	https://doaj.org/article/92371c2056a7459b89954e669068ce7c
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spelling	oai:doaj.org-article:92371c2056a7459b89954e669068ce7c2021-11-25T17:47:33ZDrought and Darkness during Long-Term Simulated Shipping Delay Post-Shipping Flowering of <i>Phalaenopsis</i> Sogo Yukidian ‘V3’10.3390/horticulturae71104832311-7524https://doaj.org/article/92371c2056a7459b89954e669068ce7c2021-11-01T00:00:00Zhttps://www.mdpi.com/2311-7524/7/11/483https://doaj.org/toc/2311-7524We investigated the relationship between simulated shipping (SS) without watering or light and post-shipping growth and flowering of <i>Phalaenopsis</i> Sogo Yukidian ‘V3’. Two experimental environments were created: a low-temperature chamber for simulated shipping and a growth chamber for simulated finishing at the destination. Plants from both the control and treatment groups were moved from the low-temperature chamber to the growth chamber after the end of the simulated shipping. Control plants received continuous light and regular irrigation; plants in the treatment group were placed in the low-temperature chamber under light (LSS) or dark (DSS) conditions for 10, 20, 30, 40, or 50 days, without irrigation. Once DSS duration exceeded 40 days, the leaf-yellowing rate increased rapidly. Chlorophyll content decreased from day 10 to 30 of DSS and slightly increased in LSS and DSS over 40 days. The photochemical reflectance index decreased with the SS duration. The maximum quantum yield PSII photochemistry (Fv/Fm) values sharply decreased after the end of SS; after 40 days, neither LSS nor DSS plants recovered to the normal range. In the same SS duration, the number of days to spiking was delayed in the DSS. In addition, the number of days to spiking was delayed, owing to the longer SS duration. LSS for 50 days induced early flowering, as in the control group, but lowered flower quality. The results demonstrate that drought stress from long-term shipping (>40 days) delayed flowering. In particular, DSS delayed flowering more than LSS due to the decrease in chlorophyll content and the reduction in carbohydrates through respiration.Ju Hui JeongWook OhMDPI AGarticleCAM plantsleaf yellowingchlorophyll contentphotochemical reflectance indexchlorophyll fluorescencemoth orchidPlant cultureSB1-1110ENHorticulturae, Vol 7, Iss 483, p 483 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	CAM plants leaf yellowing chlorophyll content photochemical reflectance index chlorophyll fluorescence moth orchid Plant culture SB1-1110
spellingShingle	CAM plants leaf yellowing chlorophyll content photochemical reflectance index chlorophyll fluorescence moth orchid Plant culture SB1-1110 Ju Hui Jeong Wook Oh Drought and Darkness during Long-Term Simulated Shipping Delay Post-Shipping Flowering of <i>Phalaenopsis</i> Sogo Yukidian ‘V3’
description	We investigated the relationship between simulated shipping (SS) without watering or light and post-shipping growth and flowering of <i>Phalaenopsis</i> Sogo Yukidian ‘V3’. Two experimental environments were created: a low-temperature chamber for simulated shipping and a growth chamber for simulated finishing at the destination. Plants from both the control and treatment groups were moved from the low-temperature chamber to the growth chamber after the end of the simulated shipping. Control plants received continuous light and regular irrigation; plants in the treatment group were placed in the low-temperature chamber under light (LSS) or dark (DSS) conditions for 10, 20, 30, 40, or 50 days, without irrigation. Once DSS duration exceeded 40 days, the leaf-yellowing rate increased rapidly. Chlorophyll content decreased from day 10 to 30 of DSS and slightly increased in LSS and DSS over 40 days. The photochemical reflectance index decreased with the SS duration. The maximum quantum yield PSII photochemistry (Fv/Fm) values sharply decreased after the end of SS; after 40 days, neither LSS nor DSS plants recovered to the normal range. In the same SS duration, the number of days to spiking was delayed in the DSS. In addition, the number of days to spiking was delayed, owing to the longer SS duration. LSS for 50 days induced early flowering, as in the control group, but lowered flower quality. The results demonstrate that drought stress from long-term shipping (>40 days) delayed flowering. In particular, DSS delayed flowering more than LSS due to the decrease in chlorophyll content and the reduction in carbohydrates through respiration.
format	article
author	Ju Hui Jeong Wook Oh
author_facet	Ju Hui Jeong Wook Oh
author_sort	Ju Hui Jeong
title	Drought and Darkness during Long-Term Simulated Shipping Delay Post-Shipping Flowering of <i>Phalaenopsis</i> Sogo Yukidian ‘V3’
title_short	Drought and Darkness during Long-Term Simulated Shipping Delay Post-Shipping Flowering of <i>Phalaenopsis</i> Sogo Yukidian ‘V3’
title_full	Drought and Darkness during Long-Term Simulated Shipping Delay Post-Shipping Flowering of <i>Phalaenopsis</i> Sogo Yukidian ‘V3’
title_fullStr	Drought and Darkness during Long-Term Simulated Shipping Delay Post-Shipping Flowering of <i>Phalaenopsis</i> Sogo Yukidian ‘V3’
title_full_unstemmed	Drought and Darkness during Long-Term Simulated Shipping Delay Post-Shipping Flowering of <i>Phalaenopsis</i> Sogo Yukidian ‘V3’
title_sort	drought and darkness during long-term simulated shipping delay post-shipping flowering of <i>phalaenopsis</i> sogo yukidian ‘v3’
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/92371c2056a7459b89954e669068ce7c
work_keys_str_mv	AT juhuijeong droughtanddarknessduringlongtermsimulatedshippingdelaypostshippingfloweringofiphalaenopsisisogoyukidianv3 AT wookoh droughtanddarknessduringlongtermsimulatedshippingdelaypostshippingfloweringofiphalaenopsisisogoyukidianv3
_version_	1718411998918606848

Drought and Darkness during Long-Term Simulated Shipping Delay Post-Shipping Flowering of <i>Phalaenopsis</i> Sogo Yukidian ‘V3’

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