Macroscopic and microscopic symptoms in Abies religiosa exposed to ozone in a forest near Mexico City

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Show simple item record Alvarez, D Laguna, G Rosas, I 2011-01-22T10:27:47Z 2011-01-22T10:27:47Z 1998
dc.identifier.issn 0269-7491
dc.description.abstract Biomarkers to ozone exposure were sought at the macroscopic and microscopic levels to determine the etiology of the injury in Abies religiosa from a forest known to be polluted with ozone. Symptoms in the needles were mainly manifest on the adaxial side and consisted of whitish stippling that turned into larger and reddish mottled lesions, finally joining each other until they covered the surface. The injury progressed from the base to the tip of the leaf which coincided with its pattern of development, this became evident within different types of cells along the palisade parenchyma where the injury was located. Cells classified as being old and injured were prominent even in young needles of trees exposed to ozone, not in those from the control site. These alterations, the early abscission of the leaves and the accelerated deterioration of the trees manifest a premature senescence process which is characteristic of ozone injury. (C) 1998 Elsevier Science Ltd. All rights reserved. en_US
dc.language.iso en en_US
dc.title Macroscopic and microscopic symptoms in Abies religiosa exposed to ozone in a forest near Mexico City en_US
dc.type Article en_US
dc.identifier.idprometeo 2776
dc.source.novolpages 103(40604):251-259
dc.subject.wos Environmental Sciences
dc.description.index WoS: SCI, SSCI o AHCI
dc.subject.keywords ozone
dc.subject.keywords conifer
dc.subject.keywords histology
dc.subject.keywords pathology
dc.subject.keywords pollution
dc.relation.journal Environmental Pollution

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