Photosynthetic Active Pigments Changes in Norway Spruce (Picea abies) under the Different Acclimation Irradiation and Elevated CO2 Content

Kvíčala, Miroslav; Lacková, Eva; Urbancová, Lenka

doi:10.1155/2014/572576

ISRN Environmental Chemistry

2014

DOI: 10.1155/2014/572576

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Photosynthetic Active Pigments Changes in Norway Spruce (Picea abies) under the Different Acclimation Irradiation and Elevated CO₂ Content

Miroslav Kvíčala

Eva Lacková

Lenka Urbancová

Abstract: Photosynthetic active pigments content (chlorophylls and carotenoids) in Norway spruce (Picea abies) needles was measured by absorption spectroscopy. Norway spruce was exposed to low and high photosynthetic active radiation and ambient and elevated CO2 concentration. It was investigated that combination of low photosynthetic active radiation and elevated concentration of CO2 resulted in stimulation of chlorophylls and carotenoids production. Combination of high photosynthetic active radiation and elevated CO2 … Show more

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Influence of Pollution on Photosynthesis Pigment Content in Needles of Picea abies and Picea pungens in Conditions of Development of Iron Ore Deposits

Fedorchak¹

2020

Ekológia (Bratislava)

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Fedorchak E.: Influence of pollution on photosynthesis pigment content in needles of Picea abies and Picea pungens in conditions of development of iron ore deposits. Ekológia (Bratislava), Vol. 39, No. 1, p. 1-15, 2020. We studied photosynthetic pigments in needles of Pісеа аbies and P. pungens in plantings exposed to aerotechnogenic influence of various levels in the big industrial center of steppe zone of Ukraine (Kryvyi Rih). We analyzed the pigment content in needles of the second year of life sampled from 30 to 40-year-old trees of both species in 6 monitoring sites for 5 months. For the needles of P. аbies and P. pungens from all the sites, we noticed the decreasing content of chlorophyll a (to 27.2 and 25.0%, respectively) and chlorophyll b (to 17.9 and 20.0%, respectively) from May till September, in comparison with background territory. At the same time, the content of carotenoids performing the protective function in photosynthetic reactions increased up to 26.1 and 24.0%, respectively. For P. аbies and P. pungens growing in conditions of intensive technogenic pressure, we ascertained that, during investigations, the sum of chlorophylls (a + b) rate decreased to 24.4 and 23.6%, respectively; ratio (a/b) decreased to 11.4 and 12.3%, respectively; ratio (chlorophylls [a + b]/carotenoids) also decreased to 30.1 and 38.0%, respectively, in comparison with plants from the least polluted site. It is shown that the most intensive negative influence on plantings is caused by industrial pollution and exhaust gases: the minimum or, more rarely, the maximum rates of pigment content appeared in needles of the plants exactly from these sites. Our research results demonstrate the feasibility of using the pigment complexes of P. аbies and P. pungens, with the assimilative apparatus sensitive to air pollution damage, as indicators of air environmental conditions.

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Influence of Pollution on Photosynthesis Pigment Content in Needles of Picea abies and Picea pungens in Conditions of Development of Iron Ore Deposits

Fedorchak¹

2020

Ekológia (Bratislava)

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The content of photosynthetic pigments in the leaves of «healthy» and «weakened» balsam poplar trees (Populus balsamifera L.) growing under conditions of industrial pollution (Republic of Bashkortostan, Sterlitamak industrial center)

Giniyatullin

Ivanov

Tagirova

et al. 2022

Samara Journal of Science

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The paper presents the results of studies on the assessment of the relative vitality of balsam poplar ( Populus balsamifera L.) plantations under the conditions of polymetallic pollution of the Sterlitamak Industrial Center (SIC). Poplar plantations of the sanitary protection zone of the SPC are classified as weakened. External signs of oppression are manifested in a decrease in crown density, an increase in the number of dead branches, damage to the assimilation apparatus by chlorosis and necrosis. Trees belonging to the healthy category grow in the plantations. It was shown that the average content of chlorophylls ( a + b ) in the leaves of healthy poplar trees varied from 25,0 to 28,0 g/cm of fresh weight, while in weakened trees it was relatively low and amounted to 17,2-22,6 g/cm wet weight. The decrease in the total content of chlorophylls and the deterioration in the relative vitality of trees are interrelated. It has been established that during the period of active leaf growth (in June and early July), a high content of chlorophylls and nitrogen balance index (NBI) is noted in the leaves of both healthy and weakened balsam poplar trees. The relationship of the indicators under consideration is confirmed by the regression equations of the polynomial function ( y = -2,15x + 8,05x + 23,2 ; y = -2,35x + 8,75x + 19,9 for the leaves of healthy trees; y = -3,1x + 11,1x +13,4 ; y = -3,9x + 14,1x + 10 for the leaves of weakened trees), as well as determination coefficients (R = 1 for the leaves of healthy trees; R = 1 for the leaves of weakened trees). The maximum differences in the ratio of chlorophyll content ( a + b ) and nitrogen balance in the leaves of healthy and weakened poplar trees were noted at the end of August. During the growing season, in the leaves of weakened trees, compared with the leaves of healthy poplar trees, a decrease in the values NBI and the content of chlorophylls is observed. At the same time, there are no significant changes in the content of chlorophylls on the adaxial and abaxial sides of the leaves of healthy and weakened balsam poplar trees during the growing season.

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Photosynthetic Active Pigments Changes in Norway Spruce (Picea abies) under the Different Acclimation Irradiation and Elevated CO₂ Content

Cited by 2 publications

References 6 publications

Influence of Pollution on Photosynthesis Pigment Content in Needles of Picea abies and Picea pungens in Conditions of Development of Iron Ore Deposits

Influence of Pollution on Photosynthesis Pigment Content in Needles of Picea abies and Picea pungens in Conditions of Development of Iron Ore Deposits

The content of photosynthetic pigments in the leaves of «healthy» and «weakened» balsam poplar trees (<i>Populus balsamifera</i> L.) growing under conditions of industrial pollution (Republic of Bashkortostan, Sterlitamak industrial center)

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