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CUTICULAR WATER PERMEANCE OF EUROPEAN TREES AND SHRUBS GROWN IN POLLUTED AND UNPOLLUTED ATMOSPHERES, AND ITS RELATION TO STOMATAL RESPONSE TO HUMIDITY IN BEECH (FAGUS-SYLVATICA L)

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CUTICULAR WATER PERMEANCE OF EUROPEAN TREES AND SHRUBS GROWN IN POLLUTED AND UNPOLLUTED ATMOSPHERES, AND ITS RELATION TO STOMATAL RESPONSE TO HUMIDITY IN BEECH (FAGUS-SYLVATICA L). / Kerstiens, Gerhard.

In: New Phytologist, Vol. 129, No. 3, 03.1995, p. 495-503.

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@article{e1d62ae4f156421894ce0f2dc9afc7bb,
title = "CUTICULAR WATER PERMEANCE OF EUROPEAN TREES AND SHRUBS GROWN IN POLLUTED AND UNPOLLUTED ATMOSPHERES, AND ITS RELATION TO STOMATAL RESPONSE TO HUMIDITY IN BEECH (FAGUS-SYLVATICA L)",
abstract = "Cuticular water permeance (P) of astomatous adaxial surfaces of intact leaves was determined in Acer pseudoplatanus L., Betula pubescens Ehrh., Corylus avellana L., Fagus sylvatica L. and Prunus avium L. Water evaporating from the stomata-bearing abaxial leaf surface could not reach the moisture analyzer and the values of P presented here are therefore free from errors that often arise from unintentional inclusion of residual stomatal transpiration. Plants were exposed from before bud-break for several months to 20-50 ppb SO2 (Fagus), a combination of 50-60 ppb SO2 and 50-60 ppb NO2 (Betula), 300-400 ppb NO (Acer, Corylus, Fagus), regular ozone episodes of up to 120 ppb (Fagus, Prunus), or an elevated level of CO2 (600 ppm for 2 yr; Acer, Fagus). Permeances were in the range 0.6-2.9 x 10(-5) m s-1 and were unaffected by most treatments. In Prunus, P increased slightly but significantly in the NO treatment. In Corylus and Fagus, P was sometimes found to be reduced by fumigation with NO, but not always. Betula leaves grown under elevated SO2 and NO2 showed higher values of P only if they were visibly damaged. Minimum conductances (g(min) estimated from water loss rates of both sides of detached hypostomatous leaves were higher than P, and were more strongly affected by treatments. In these cases, the most probable explanation is some damage to stomatal function resulting in a reduced ability to close after leaf excision. Effects of growing conditions and time of year on P were found, which allowed a hypothetical interaction between P and stomatal sensitivity to air humidity to be tested in beech. No unambiguous indication of such a relationship was found.",
keywords = "AIR POLLUTANTS, ELEVATED CARBON DIOXIDE CONCENTRATION, FAGUS-SYLVATICA (BEECH), PLANT CUTICLE, TRANSPIRATION, CARBON-DIOXIDE, PLANT CUTICLES, AIR-POLLUTION, OZONE, PERMEABILITY, FUMIGATION, SYSTEM, LEAVES, STRESS",
author = "Gerhard Kerstiens",
year = "1995",
month = mar,
doi = "10.1111/j.1469-8137.1995.tb04320.x",
language = "English",
volume = "129",
pages = "495--503",
journal = "New Phytologist",
issn = "0028-646X",
publisher = "Wiley",
number = "3",

}

RIS

TY - JOUR

T1 - CUTICULAR WATER PERMEANCE OF EUROPEAN TREES AND SHRUBS GROWN IN POLLUTED AND UNPOLLUTED ATMOSPHERES, AND ITS RELATION TO STOMATAL RESPONSE TO HUMIDITY IN BEECH (FAGUS-SYLVATICA L)

AU - Kerstiens, Gerhard

PY - 1995/3

Y1 - 1995/3

N2 - Cuticular water permeance (P) of astomatous adaxial surfaces of intact leaves was determined in Acer pseudoplatanus L., Betula pubescens Ehrh., Corylus avellana L., Fagus sylvatica L. and Prunus avium L. Water evaporating from the stomata-bearing abaxial leaf surface could not reach the moisture analyzer and the values of P presented here are therefore free from errors that often arise from unintentional inclusion of residual stomatal transpiration. Plants were exposed from before bud-break for several months to 20-50 ppb SO2 (Fagus), a combination of 50-60 ppb SO2 and 50-60 ppb NO2 (Betula), 300-400 ppb NO (Acer, Corylus, Fagus), regular ozone episodes of up to 120 ppb (Fagus, Prunus), or an elevated level of CO2 (600 ppm for 2 yr; Acer, Fagus). Permeances were in the range 0.6-2.9 x 10(-5) m s-1 and were unaffected by most treatments. In Prunus, P increased slightly but significantly in the NO treatment. In Corylus and Fagus, P was sometimes found to be reduced by fumigation with NO, but not always. Betula leaves grown under elevated SO2 and NO2 showed higher values of P only if they were visibly damaged. Minimum conductances (g(min) estimated from water loss rates of both sides of detached hypostomatous leaves were higher than P, and were more strongly affected by treatments. In these cases, the most probable explanation is some damage to stomatal function resulting in a reduced ability to close after leaf excision. Effects of growing conditions and time of year on P were found, which allowed a hypothetical interaction between P and stomatal sensitivity to air humidity to be tested in beech. No unambiguous indication of such a relationship was found.

AB - Cuticular water permeance (P) of astomatous adaxial surfaces of intact leaves was determined in Acer pseudoplatanus L., Betula pubescens Ehrh., Corylus avellana L., Fagus sylvatica L. and Prunus avium L. Water evaporating from the stomata-bearing abaxial leaf surface could not reach the moisture analyzer and the values of P presented here are therefore free from errors that often arise from unintentional inclusion of residual stomatal transpiration. Plants were exposed from before bud-break for several months to 20-50 ppb SO2 (Fagus), a combination of 50-60 ppb SO2 and 50-60 ppb NO2 (Betula), 300-400 ppb NO (Acer, Corylus, Fagus), regular ozone episodes of up to 120 ppb (Fagus, Prunus), or an elevated level of CO2 (600 ppm for 2 yr; Acer, Fagus). Permeances were in the range 0.6-2.9 x 10(-5) m s-1 and were unaffected by most treatments. In Prunus, P increased slightly but significantly in the NO treatment. In Corylus and Fagus, P was sometimes found to be reduced by fumigation with NO, but not always. Betula leaves grown under elevated SO2 and NO2 showed higher values of P only if they were visibly damaged. Minimum conductances (g(min) estimated from water loss rates of both sides of detached hypostomatous leaves were higher than P, and were more strongly affected by treatments. In these cases, the most probable explanation is some damage to stomatal function resulting in a reduced ability to close after leaf excision. Effects of growing conditions and time of year on P were found, which allowed a hypothetical interaction between P and stomatal sensitivity to air humidity to be tested in beech. No unambiguous indication of such a relationship was found.

KW - AIR POLLUTANTS

KW - ELEVATED CARBON DIOXIDE CONCENTRATION

KW - FAGUS-SYLVATICA (BEECH)

KW - PLANT CUTICLE

KW - TRANSPIRATION

KW - CARBON-DIOXIDE

KW - PLANT CUTICLES

KW - AIR-POLLUTION

KW - OZONE

KW - PERMEABILITY

KW - FUMIGATION

KW - SYSTEM

KW - LEAVES

KW - STRESS

U2 - 10.1111/j.1469-8137.1995.tb04320.x

DO - 10.1111/j.1469-8137.1995.tb04320.x

M3 - Journal article

VL - 129

SP - 495

EP - 503

JO - New Phytologist

JF - New Phytologist

SN - 0028-646X

IS - 3

ER -