Rapid ethylene release and stimulated ethylene production after de-submergence of plants: An analysis with a continuous flow system in line with a laser-driven intracavity photoacoustic ethylene detector

Voesenek, L.A.C.J.; Thier, R. H.; Blom, C.W.P.M.; Harren, Frans J. M.

doi:10.1007/978-94-011-2458-4_107

Cited by 2 publications

(3 citation statements)

References 27 publications

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“…This might lead to an overestimation of released ethylene. Correction is possible by fitting the real slope for release into the graph (see Voesenek et al, 1992a). This slope was experimentally derived by injecting ethylene into the flow-through system.…”

Section: Ethylene Concentration Production and Releasementioning

confidence: 99%

Submergence-Induced Ethylene Synthesis, Entrapment, and Growth in Two Plant Species with Contrasting Flooding Resistances

et al. 1993

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Submergence-induced ethylene synthesis and entrapment were studied in two contrasting Rumex species, one flood-resistant (Rumex palustris) and the other flood-sensitive (Rumex acefosa). The application of a photoacoustic method to determine internal ethylene concentrations in submerged plants is discussed. A comparison with an older technique (vacuum extraction) is described. For the first time ethylene production before, during, and after submergence and the endogenous concentration during submergence were continuously measured on a single intact plant without physical perturbation. Both Rumex species were characterized by enhanced ethylene concentrations in the shoot after 24 h of submergence. This was not related to enhanced synthesis but to continued production and physical entrapment. In R. palustris, high endogenous ethylene levels correlated with enhanced petiole and lamina elongation. No dramatic change in leaf growth rate was observed in submerged R. acetosa shoots. After desubmergence both species showed an increase in ethylene production, the response being more pronounced in R. palustris. This increase was linked to the enhanced postsubmergence growth rate of leaves of R. palustris. Due to the very rapid escape of ethylene out of desubmerged plants to the atmosphere (90% disappeared within 1 min), substantia1 underestimation of internal ethylene concentrations can be expected using more conventional vacuum extraction techniques.Enhanced stem or petiole elongation in response to submergence enables aquatic, semi-aquatic, and terrestrial plants to avoid the constraints of oxygen deficiency, toxins, and ion deficiency imposed by the flooded environment. The gaseous growth regulator ethylene plays a crucial role in the stimulation of shoot extension under water (Ku et al., 1970;Musgrave et al.,

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Section: Ethylene Concentration Production and Releasementioning

confidence: 99%

Submergence-Induced Ethylene Synthesis, Entrapment, and Growth in Two Plant Species with Contrasting Flooding Resistances

et al. 1993

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“…However, an enhanced ethylene biosynthe sis in the shoot under submerged conditions can occur as was demonstrated for deep water rice (Co hen and Kende 1987, Kende et al 1984. Extra ethylene production, above the level induced by submergence, was observed after de-submergence of R. maritimus in the bolting stage (Van der Sman et al 1991) and R. palustris in the rosette stage (Voesenek et al 1992C). It is pos sible that accumulated ACC, due to submergence, was only partly converted to ethylene.…”

Section: Rumex Maritimus Behaves As An Annual When Itmentioning

confidence: 69%

“…Ethylene can be measured directly in the effluent of the sample cells. The pho toacoustic principle allowed, for the first time, reg istration of fast, short-lasting changes in ethylene production, such as the fast release of ethylene after de-submergence of plants (Voesenek et al 1992C). …”

Section: Photoacoustic Detection Of Ethylenementioning

confidence: 99%

An amalgamation between hormone physiology and plant ecology: A review on flooding resistance and ethylene

Voesenek

Sman

Harren

et al. 1992

J Plant Growth Regul

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Rapid ethylene release and stimulated ethylene production after de-submergence of plants: An analysis with a continuous flow system in line with a laser-driven intracavity photoacoustic ethylene detector

Cited by 2 publications

References 27 publications

Submergence-Induced Ethylene Synthesis, Entrapment, and Growth in Two Plant Species with Contrasting Flooding Resistances

Submergence-Induced Ethylene Synthesis, Entrapment, and Growth in Two Plant Species with Contrasting Flooding Resistances

An amalgamation between hormone physiology and plant ecology: A review on flooding resistance and ethylene

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