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Title: Effects of photochemical oxidants on radial growth increment for five species of conifers in the San Bernardino National Forest

Abstract

Conifers on six vegetation plots - two sustaining severe visual oxidant injury to coniferous tree foliage, two exhibiting moderate foliar injury, and two indicating slight or no injury to foliage - were examined for loss of radial growth increment due to oxidant exposure in the San Bernardino National Forest. Five coniferous species were examined: Pinus ponderosa, P. jeffreyi, P. lambertiana, Abies concolor, and Libocedrus decurrens. P. ponderosa and A. concolor growing on the two heavily injured plots showed significant reductions in radial growth increment, whereas L. decurrens showed no response. P. jeffreyi and P. lambertiana did not occur on the heavily injured plots. Conifers on the other four plots exhibited no growth response to oxidant exposure. 7 references, 6 figures, 1 table.

Authors:
;
Publication Date:
Research Org.:
Univ. of California, Berkeley
OSTI Identifier:
5553348
Resource Type:
Journal Article
Journal Name:
Plant Dis.; (United States)
Additional Journal Information:
Journal Volume: 63:12
Country of Publication:
United States
Language:
English
Subject:
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.; CONIFERS; INJURIES; PLANT GROWTH; OZONE; BIOLOGICAL EFFECTS; PHOTOCHEMICAL OXIDANTS; COMPARATIVE EVALUATIONS; INHIBITION; SAN BERNARDINO MOUNTAINS; GROWTH; MOUNTAINS; PLANTS; 560303* - Chemicals Metabolism & Toxicology- Plants- (-1987)

Citation Formats

Ohmart, C P, and Williams, Jr, C B. Effects of photochemical oxidants on radial growth increment for five species of conifers in the San Bernardino National Forest. United States: N. p., 1979. Web.
Ohmart, C P, & Williams, Jr, C B. Effects of photochemical oxidants on radial growth increment for five species of conifers in the San Bernardino National Forest. United States.
Ohmart, C P, and Williams, Jr, C B. Sat . "Effects of photochemical oxidants on radial growth increment for five species of conifers in the San Bernardino National Forest". United States.
@article{osti_5553348,
title = {Effects of photochemical oxidants on radial growth increment for five species of conifers in the San Bernardino National Forest},
author = {Ohmart, C P and Williams, Jr, C B},
abstractNote = {Conifers on six vegetation plots - two sustaining severe visual oxidant injury to coniferous tree foliage, two exhibiting moderate foliar injury, and two indicating slight or no injury to foliage - were examined for loss of radial growth increment due to oxidant exposure in the San Bernardino National Forest. Five coniferous species were examined: Pinus ponderosa, P. jeffreyi, P. lambertiana, Abies concolor, and Libocedrus decurrens. P. ponderosa and A. concolor growing on the two heavily injured plots showed significant reductions in radial growth increment, whereas L. decurrens showed no response. P. jeffreyi and P. lambertiana did not occur on the heavily injured plots. Conifers on the other four plots exhibited no growth response to oxidant exposure. 7 references, 6 figures, 1 table.},
doi = {},
journal = {Plant Dis.; (United States)},
number = ,
volume = 63:12,
place = {United States},
year = {1979},
month = {12}
}