Senescence of Cut Sweet Pea Flowers and Ethylene Production.

Ishihara, Yoshihiro; Ohkawa, Kiyoshi; Hyodo, Hiroshi

doi:10.2503/jjshs.60.141

Cited by 11 publications

(6 citation statements)

References 10 publications

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“…When the flowers are cut for display the senescence processes including ethylene production, wilting and abscission are accelerated (Ishihara et al 1991, Sexton et al 1995). Adding exogenous ethylene has been shown previously to further accelerate these processes.…”

Section: Discussionmentioning

confidence: 99%

“…All our data has been obtained with cut flowers and it would have been interesting to compare their behaviour with flowers 'in situ'; unfortunately we did not have the resources to do this. When the flowers are cut for display the senescence processes including ethylene production, wilting and abscission are accelerated (Ishihara et al 1991, Sexton et al 1995. Adding exogenous ethylene has been shown previously to further accelerate these processes.…”

Section: Sampling Timementioning

confidence: 99%

“…Soon after sweet pea flowers are cut they produce increasing amounts of ethylene and the resultant wilting and abscission of their petals dramatically reduces display life (Mor et al 1984, Ishihara et al 1991, Sexton et al 1995). During vase life studies we noticed that the ethylene action antagonists STS (Veen 1983, 1986) and 1‐MCP (Sisler and Serek 1997, Nishioka et al 2003) seemed to extend the duration of floral fragrance, whereas adding ethylene rapidly reduced scent emission.…”

Section: Introductionmentioning

confidence: 99%

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Aroma production from cut sweet pea flowers (Lathyrus odoratus): the role of ethylene

Sexton

Stopford

Moodie

et al. 2005

Physiologia Plantarum

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The major components of the scent of cut sweet pea flowers (Lathyrus odoratus L. cv Royal Wedding) are (E) and (Z)‐ocimene, linalool, nerol, geraniol and phenylacetaldehyde. The aroma is almost exclusively produced by the standard and wing petals, with very little emanating from the keel petals and other floral structures. Only traces of these volatiles were detected in the liquid excreted by glandular trichomes on the surface of the scented petals. Once flowers are cut for display they produce increasing amounts of ethylene which induces wilting after 48 h and petal abscission 24 h later. The rate of linalool and ocimene emission declines over the first 48 h to approximately 10% of that directly after harvest. Ethylene production is not saturating during the first 24 h of vase life and exogenous ethylene further accelerates the senescence processes and loss of fragrance. Addition of the ethylene antagonists 1‐methylcyclopropene (1‐MCP) and silver thiosulphate (STS) delayed wilting and abscission for several days and similarly inhibits the decline in terpenoid emission.

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Section: Discussionmentioning

confidence: 99%

Section: Sampling Timementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Aroma production from cut sweet pea flowers (Lathyrus odoratus): the role of ethylene

Sexton

Stopford

Moodie

et al. 2005

Physiologia Plantarum

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“…Since low temperatures delay senescence in plant organs (Ishihara et al, 1991;Adachi et al, 1999;Lopez and Runkle, 2004;Li et al, 2004), the rate of degradation of pistillate flowers per node may slow down, resulting in an increase in the number of flowers. However, the possibility that low temperatures may increase the rate of differentiation of flower primordia per node cannot be ruled out.…”

Section: Downloaded By [Nanyang Technological University] At 09:17 05mentioning

confidence: 98%

The rate of pistillate and staminate flower differentiation and development of mono- and multi-pistillate-type cucumbers

Hikosaka¹,

Boonkorkaew²,

Ochi³

et al. 2006

The Journal of Horticultural Science and Biotechnology

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“…A senescência das flores de corte, segundo REID & WU (1992), é determinada pela redução na absorção de água, murchamento e formação da camada de abscisão nas pétalas ou flores. A senescência de Lathyrus é caracterizada por sintomas de murchamento das pétalas e flores, geralmente a partir do segundo dia após a colheita (ISHIHARA et al, 1991), seguido da abscisão dos botões ou das pétalas (OHKAWA et al, 1987). Um dos principais fatores responsáveis pela abscisão das pétalas e flores é o aumento das taxas de produção de etileno ( VAN DOORN & STEAD, 1997), o qual estimula a formação de enzimas hidrolíticas e formação da zona de abscisão, como observado em flores de Limonium (DOI & REID, 1995).…”

Section: Introductionunclassified

Longevidade de inflorescências de esporinha tratadas com sacarose e tiossulfato de prata.

Forster‐Carneiro¹,

Fonger²,

Barbosa³

et al. 2003

RBHO

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RESUMOO presente trabalho teve como objetivo avaliar o efeito de soluções de condicionamento ("pulsing"), em inflorescências de esporinha (Consolida ajacis) visando ao aumento da vida em vaso pelo uso de sacarose, tiossulfato de prata (STS) e pela combinação destes elementos. As inflorescências foram colhidas, uniformizadas em tamanho e estádio de abertura das flores, e posteriormente colocadas em vasos por 30, 60, 90 e 120 minutos com sacarose a 5%, 10%, 15% e 20 %, ou em solução de STS a 0,2, 0,4, 0,6, 0,8 e 1,0 mM e os respectivos controles com água destilada. Avaliaram-se os efeitos da combinação das soluções de 0,2, 0,4, 0,6, 0,8 e 1,0 mM de STS em combinação com sacarose a 5% por 30 minutos. A utilização de sacarose isoladamente não influenciou a vida em vaso ou a redução da abscisão das flores quando comparado com ao controle. O tratamento com STS, combinado ou não com sacarose a 5%, aumentou a longevidade, a abscisão e murchamento das flores. Condicionamento das inflorescências com 1,0 mM de STS, combinado ou não com sacarose a 5% por 30 minutos, elevaram a longevidade de aproximadamente 8 dias (controle) para o mínimo de 15 dias e reduziu a abscisão das flores de 66,9% para valores inferiores a 17,5% .Palavras-chave: flor de corte,'"pulsing", vida de vaso, abscisão. ABSTRACT Longevity of Consolida ajacis inflorescences influenced by pulsing with sucrose and silver tiosulfateThe present work had the objective to evaluate the influence of silver tiosulfate (STS) in combination or not with sucrose on Consolida ajacis inflorescence vase life. The inflorescences were standardised in length and flower opening and than pulsed for 30, 60, 90 and 120 minutes in 5%, 10%, 15% and 20% sucrose or with 0.2, 0.4, 0.6, 0.8 and 1.0 mM STS, and the control treatments with distilled water. In a second set of experiments the inflorescences were pulsed with 0.2, 0.4, 0.6, 0.8 and 1.0 mM STS combined with 5% sucrose for 30 minutes. Treatment with sucrose did not affect the vase life or flower abscission, when compared with the control. Pulsing the inflorescences with STS, in combination or not with 5% sucrose, were effective in extending the flower vase life and reducing flower abscission and wilting. Pulsing the inflorescences with 1.0 mM of STS mixed or not with 5% sucrose for 30 minutes increased flower longevity from approximately 8 days (control) to about 15 days, and fell down the abscission from 66.9% to values bellow to 17.5%.

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Senescence of Cut Sweet Pea Flowers and Ethylene Production.

Cited by 11 publications

References 10 publications

Aroma production from cut sweet pea flowers (Lathyrus odoratus): the role of ethylene

Aroma production from cut sweet pea flowers (Lathyrus odoratus): the role of ethylene

The rate of pistillate and staminate flower differentiation and development of mono- and multi-pistillate-type cucumbers

Longevidade de inflorescências de esporinha tratadas com sacarose e tiossulfato de prata.

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