Absorption of nitrogen dioxide by barley in open-top chambers.
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| Title: | Absorption of nitrogen dioxide by barley in open-top chambers. |
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| Authors: | Jensen, E. S.1, Pilegaard, K.1 |
| Source: | New Phytologist. Feb93, Vol. 123 Issue 2, p359-364. 6p. |
| Subjects: | Plant physiology, Plant growth, Absorption, Meristems, Nitrogen, Nitrogen oxides |
| Abstract: | Foliar absorption of nitrogen dioxide in barley (Hordeum vulgare L.) exposed to mean NO2 concentrations of 4 and 37 ppb was studied in open-top chambers. The possible compensation for insufficient supply of nitrogen in the growth medium by increased uptake of NO2 from the air was investigated by growing plants with sub-optimal and optimal N supply. The amount of NO2 derived from fumigation was estimated using the 15N dilution technique, in which the nitrogen derived from the growth medium was labelled with 15N. The absorption of NO2-N from polluted air contributed 5-6% of the total N. An additional 3-5% was derived from other N sources, probably also of gaseous origin. Thus, total absorption from gaseous sources in the NO2-fumigated plants was estimated to he approximately 10% of total N. The amount absorbed from aerial sources was proportional to the top weight. The amount of NO2 absorbed was highest in the plants with optimal N supply. However, in plants grown with sub-optimal N, there was a relatively higher contribution to total N from the NO2-N. [ABSTRACT FROM AUTHOR] |
| Copyright of New Phytologist is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.) | |
| Database: | Engineering Source |
| FullText | Text: Availability: 0 |
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| Header | DbId: egs DbLabel: Engineering Source An: 12866838 AccessLevel: 6 PubType: Academic Journal PubTypeId: academicJournal PreciseRelevancyScore: 0 |
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| Items | – Name: Title Label: Title Group: Ti Data: Absorption of nitrogen dioxide by barley in open-top chambers. – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Jensen%2C+E%2E+S%2E%22">Jensen, E. S.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Pilegaard%2C+K%2E%22">Pilegaard, K.</searchLink><relatesTo>1</relatesTo> – Name: TitleSource Label: Source Group: Src Data: <searchLink fieldCode="JN" term="%22New+Phytologist%22">New Phytologist</searchLink>. Feb93, Vol. 123 Issue 2, p359-364. 6p. – Name: Subject Label: Subjects Group: Su Data: <searchLink fieldCode="DE" term="%22Plant+physiology%22">Plant physiology</searchLink><br /><searchLink fieldCode="DE" term="%22Plant+growth%22">Plant growth</searchLink><br /><searchLink fieldCode="DE" term="%22Absorption%22">Absorption</searchLink><br /><searchLink fieldCode="DE" term="%22Meristems%22">Meristems</searchLink><br /><searchLink fieldCode="DE" term="%22Nitrogen%22">Nitrogen</searchLink><br /><searchLink fieldCode="DE" term="%22Nitrogen+oxides%22">Nitrogen oxides</searchLink> – Name: Abstract Label: Abstract Group: Ab Data: Foliar absorption of nitrogen dioxide in barley (<em>Hordeum vulgare</em> L.) exposed to mean NO2 concentrations of 4 and 37 ppb was studied in open-top chambers. The possible compensation for insufficient supply of nitrogen in the growth medium by increased uptake of NO2 from the air was investigated by growing plants with sub-optimal and optimal N supply. The amount of NO2 derived from fumigation was estimated using the 15N dilution technique, in which the nitrogen derived from the growth medium was labelled with 15N. The absorption of NO2-N from polluted air contributed 5-6% of the total N. An additional 3-5% was derived from other N sources, probably also of gaseous origin. Thus, total absorption from gaseous sources in the NO2-fumigated plants was estimated to he approximately 10% of total N. The amount absorbed from aerial sources was proportional to the top weight. The amount of NO2 absorbed was highest in the plants with optimal N supply. However, in plants grown with sub-optimal N, there was a relatively higher contribution to total N from the NO2-N. [ABSTRACT FROM AUTHOR] – Name: AbstractSuppliedCopyright Label: Group: Ab Data: <i>Copyright of New Phytologist is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.) |
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| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.1111/j.1469-8137.1993.tb03746.x Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 6 StartPage: 359 Subjects: – SubjectFull: Plant physiology Type: general – SubjectFull: Plant growth Type: general – SubjectFull: Absorption Type: general – SubjectFull: Meristems Type: general – SubjectFull: Nitrogen Type: general – SubjectFull: Nitrogen oxides Type: general Titles: – TitleFull: Absorption of nitrogen dioxide by barley in open-top chambers. Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Jensen, E. S. – PersonEntity: Name: NameFull: Pilegaard, K. IsPartOfRelationships: – BibEntity: Dates: – D: 01 M: 02 Text: Feb93 Type: published Y: 1993 Identifiers: – Type: issn-print Value: 0028646X Numbering: – Type: volume Value: 123 – Type: issue Value: 2 Titles: – TitleFull: New Phytologist Type: main |
| ResultId | 1 |
