Interactive Effects of Drought and Saline Aerosol Stress on Morphological and Physiological Characteristics of Two Ornamental Shrub Species

Effects of drought and aerosol stresses were studied in a factorial experiment based on a Randomized Complete Design with triplicates on two ornamental shrubs. Treatments consisted of four levels of water container (40%, 30%, 20%, and 10% of water volumetric content of the substrate) and, after 30 d...
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Gespeichert in:

Autor*in:	Stefania Toscano [verfasserIn] Antonio Ferrante [verfasserIn] Daniela Romano [verfasserIn] Alessandro Tribulato [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2021

Schlagwörter:	plant biomass root/shoot ratio gas exchange relative water content

Übergeordnetes Werk:	In: Horticulturae - MDPI AG, 2017, 7(2021), 12, p 517
Übergeordnetes Werk:	volume:7 ; year:2021 ; number:12, p 517

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.3390/horticulturae7120517

Katalog-ID:	DOAJ087156210

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520			\|a Effects of drought and aerosol stresses were studied in a factorial experiment based on a Randomized Complete Design with triplicates on two ornamental shrubs. Treatments consisted of four levels of water container (40%, 30%, 20%, and 10% of water volumetric content of the substrate) and, after 30 days from experiment onset, three aerosol treatments (distilled water and 50% and 100% salt sea water concentrations). The trial was contextually replicated on two species: <i<Callistemon citrinus</i< (Curtis) Skeels and <i<Viburnum tinus</i< L. ‘Lucidum’. In both species, increasing drought stress negatively affected dry biomass, leaf area, net photosynthesis, chlorophyll <i<a</i< fluorescence, and relative water content. The added saline aerosol stress induced a further physiological water deficit in plants of both species, with more emphasis on <i<Callistemon</i<. The interaction between the two stress conditions was found to be additive for almost all the physiological parameters, resulting in enhanced damage on plants under stress combination. Total biomass, for effect of combined stresses, ranged from 120.1 to 86.4 g plant<sup<−1</sup< in <i<Callistemon</i< and from 122.3 to 94.6 g plant<sup<−1</sup< in <i<Viburnum</i<. The net photosynthesis in <i<Callistemon</i< declined by the 70% after 30 days in WC 10% and by the 45% and 53% in WC 20% and WC 10% respectively after 60 days. In <i<Viburnum</i< plants, since the first measurement (7 days), a decrease of net photosynthesis was observed for the more stressed treatments (WC 20% and WC 10%), by 57%. The overall data suggested that <i<Viburnum</i< was more tolerant compared the <i<Callistemon</i< under the experimental conditions studied.
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callnumber-first	S - Agriculture
author	Stefania Toscano
spellingShingle	Stefania Toscano misc SB1-1110 misc <i<Callistemon citrinus</i< (Curtis) Skeels misc <i<Viburnum tinus</i< L. ‘Lucidum’ misc plant biomass misc root/shoot ratio misc gas exchange misc relative water content misc Plant culture Interactive Effects of Drought and Saline Aerosol Stress on Morphological and Physiological Characteristics of Two Ornamental Shrub Species
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topic_title	SB1-1110 Interactive Effects of Drought and Saline Aerosol Stress on Morphological and Physiological Characteristics of Two Ornamental Shrub Species <i<Callistemon citrinus</i< (Curtis) Skeels <i<Viburnum tinus</i< L. ‘Lucidum’ plant biomass root/shoot ratio gas exchange relative water content
topic	misc SB1-1110 misc <i<Callistemon citrinus</i< (Curtis) Skeels misc <i<Viburnum tinus</i< L. ‘Lucidum’ misc plant biomass misc root/shoot ratio misc gas exchange misc relative water content misc Plant culture
topic_unstemmed	misc SB1-1110 misc <i<Callistemon citrinus</i< (Curtis) Skeels misc <i<Viburnum tinus</i< L. ‘Lucidum’ misc plant biomass misc root/shoot ratio misc gas exchange misc relative water content misc Plant culture
topic_browse	misc SB1-1110 misc <i<Callistemon citrinus</i< (Curtis) Skeels misc <i<Viburnum tinus</i< L. ‘Lucidum’ misc plant biomass misc root/shoot ratio misc gas exchange misc relative water content misc Plant culture
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title	Interactive Effects of Drought and Saline Aerosol Stress on Morphological and Physiological Characteristics of Two Ornamental Shrub Species
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title_full	Interactive Effects of Drought and Saline Aerosol Stress on Morphological and Physiological Characteristics of Two Ornamental Shrub Species
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title_sort	interactive effects of drought and saline aerosol stress on morphological and physiological characteristics of two ornamental shrub species
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title_auth	Interactive Effects of Drought and Saline Aerosol Stress on Morphological and Physiological Characteristics of Two Ornamental Shrub Species
abstract	Effects of drought and aerosol stresses were studied in a factorial experiment based on a Randomized Complete Design with triplicates on two ornamental shrubs. Treatments consisted of four levels of water container (40%, 30%, 20%, and 10% of water volumetric content of the substrate) and, after 30 days from experiment onset, three aerosol treatments (distilled water and 50% and 100% salt sea water concentrations). The trial was contextually replicated on two species: <i<Callistemon citrinus</i< (Curtis) Skeels and <i<Viburnum tinus</i< L. ‘Lucidum’. In both species, increasing drought stress negatively affected dry biomass, leaf area, net photosynthesis, chlorophyll <i<a</i< fluorescence, and relative water content. The added saline aerosol stress induced a further physiological water deficit in plants of both species, with more emphasis on <i<Callistemon</i<. The interaction between the two stress conditions was found to be additive for almost all the physiological parameters, resulting in enhanced damage on plants under stress combination. Total biomass, for effect of combined stresses, ranged from 120.1 to 86.4 g plant<sup<−1</sup< in <i<Callistemon</i< and from 122.3 to 94.6 g plant<sup<−1</sup< in <i<Viburnum</i<. The net photosynthesis in <i<Callistemon</i< declined by the 70% after 30 days in WC 10% and by the 45% and 53% in WC 20% and WC 10% respectively after 60 days. In <i<Viburnum</i< plants, since the first measurement (7 days), a decrease of net photosynthesis was observed for the more stressed treatments (WC 20% and WC 10%), by 57%. The overall data suggested that <i<Viburnum</i< was more tolerant compared the <i<Callistemon</i< under the experimental conditions studied.
abstractGer	Effects of drought and aerosol stresses were studied in a factorial experiment based on a Randomized Complete Design with triplicates on two ornamental shrubs. Treatments consisted of four levels of water container (40%, 30%, 20%, and 10% of water volumetric content of the substrate) and, after 30 days from experiment onset, three aerosol treatments (distilled water and 50% and 100% salt sea water concentrations). The trial was contextually replicated on two species: <i<Callistemon citrinus</i< (Curtis) Skeels and <i<Viburnum tinus</i< L. ‘Lucidum’. In both species, increasing drought stress negatively affected dry biomass, leaf area, net photosynthesis, chlorophyll <i<a</i< fluorescence, and relative water content. The added saline aerosol stress induced a further physiological water deficit in plants of both species, with more emphasis on <i<Callistemon</i<. The interaction between the two stress conditions was found to be additive for almost all the physiological parameters, resulting in enhanced damage on plants under stress combination. Total biomass, for effect of combined stresses, ranged from 120.1 to 86.4 g plant<sup<−1</sup< in <i<Callistemon</i< and from 122.3 to 94.6 g plant<sup<−1</sup< in <i<Viburnum</i<. The net photosynthesis in <i<Callistemon</i< declined by the 70% after 30 days in WC 10% and by the 45% and 53% in WC 20% and WC 10% respectively after 60 days. In <i<Viburnum</i< plants, since the first measurement (7 days), a decrease of net photosynthesis was observed for the more stressed treatments (WC 20% and WC 10%), by 57%. The overall data suggested that <i<Viburnum</i< was more tolerant compared the <i<Callistemon</i< under the experimental conditions studied.
abstract_unstemmed	Effects of drought and aerosol stresses were studied in a factorial experiment based on a Randomized Complete Design with triplicates on two ornamental shrubs. Treatments consisted of four levels of water container (40%, 30%, 20%, and 10% of water volumetric content of the substrate) and, after 30 days from experiment onset, three aerosol treatments (distilled water and 50% and 100% salt sea water concentrations). The trial was contextually replicated on two species: <i<Callistemon citrinus</i< (Curtis) Skeels and <i<Viburnum tinus</i< L. ‘Lucidum’. In both species, increasing drought stress negatively affected dry biomass, leaf area, net photosynthesis, chlorophyll <i<a</i< fluorescence, and relative water content. The added saline aerosol stress induced a further physiological water deficit in plants of both species, with more emphasis on <i<Callistemon</i<. The interaction between the two stress conditions was found to be additive for almost all the physiological parameters, resulting in enhanced damage on plants under stress combination. Total biomass, for effect of combined stresses, ranged from 120.1 to 86.4 g plant<sup<−1</sup< in <i<Callistemon</i< and from 122.3 to 94.6 g plant<sup<−1</sup< in <i<Viburnum</i<. The net photosynthesis in <i<Callistemon</i< declined by the 70% after 30 days in WC 10% and by the 45% and 53% in WC 20% and WC 10% respectively after 60 days. In <i<Viburnum</i< plants, since the first measurement (7 days), a decrease of net photosynthesis was observed for the more stressed treatments (WC 20% and WC 10%), by 57%. The overall data suggested that <i<Viburnum</i< was more tolerant compared the <i<Callistemon</i< under the experimental conditions studied.
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container_issue	12, p 517
title_short	Interactive Effects of Drought and Saline Aerosol Stress on Morphological and Physiological Characteristics of Two Ornamental Shrub Species
url	https://doi.org/10.3390/horticulturae7120517 https://doaj.org/article/b0482a9167ab4340a115ae85d9031fe9 https://www.mdpi.com/2311-7524/7/12/517 https://doaj.org/toc/2311-7524
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author2	Antonio Ferrante Daniela Romano Alessandro Tribulato
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Total biomass, for effect of combined stresses, ranged from 120.1 to 86.4 g plant<sup<−1</sup< in <i<Callistemon</i< and from 122.3 to 94.6 g plant<sup<−1</sup< in <i<Viburnum</i<. The net photosynthesis in <i<Callistemon</i< declined by the 70% after 30 days in WC 10% and by the 45% and 53% in WC 20% and WC 10% respectively after 60 days. In <i<Viburnum</i< plants, since the first measurement (7 days), a decrease of net photosynthesis was observed for the more stressed treatments (WC 20% and WC 10%), by 57%. 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Interactive Effects of Drought and Saline Aerosol Stress on Morphological and Physiological Characteristics of Two Ornamental Shrub Species

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