Some aspects concerning the interaction between needle surfaces and solid industrial pollutants

Some aspects concerning the interaction between needle surfaces and solid industrial pollutants

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Title: Some aspects concerning the interaction between needle surfaces and solid industrial pollutants
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Article_Title: Some aspects concerning the interaction between needle surfaces and solid industrial pollutants
Authors: Lăcrămioara Ivănescu, Constantin Toma, Maria Magdalena Zamfirache, Ramona Crina Galeş
Affiliation: Faculty of Biology, “Al. I. Cuza” University of Iasi, Romania
Abstract: The investigations made by us about the micromorphology of the foliar surfaces of two species
of gymnosperms in the industrial areas Bicaz (the Neamţ District, Romania). The investigations of electronic microscopy (S.E.M.) made up at the level of necrotic and/or chlorosis surfaces (top, middle, basis) of the acicular leaves of Pinus sylvestris and Pinus nigra showed changes of the cuticular surface, their contortion, caused by the total disappearance of the parallelism between the cuticular prints, the chaotic setting of the stomata and their less dimensions, the presence of cuticular clefts, the closing of the ostiols with amorphous wax, which could be an indicator of the “suffering” of the leaf mesophyll in general. The analysis of the foliar surfaces by means of the S.E.M. revealed the role of the solid deposits of industrial origin in the phenomenon of partly defoliation or total one of the individuals, oftenly during the full season of vegetation.
Keywords: needle surfaces, industrial pollutants, micromorphology
References: Il’Kun G. M., Zagriaziteli atmosfery i rasteniia. Naukova Dumka, Kiev, 1978.
Inamdar J.A., G. S. Chaudhari., Effects of environmental pollution on leaf epidermis and leaf architecture. J. Plant. Anat. Morphol., 1, 1-7, 1984.
Ivănescu L., Toma C., Influenţa poluării atmosferice asupra structurii plantelor. Ed. Fundaţiei Andrei Şaguna, Constanţa. 2003.
Ivănescu L., Toma C., Modifications morphologiques et structurelles induites par les polluants
atmosphériques sur les aiguilles de Pinus nigra Arn. et Pinus sylvestris L. An. şt. Univ. Iaşi, s. II a, Biol. Veget., XLIII, 27-34, 1997.
Ivănescu L., Toma C., Gostin I., Toma O., Responses of the plants to the action of atmospheric pollutants. Proc. Int. Conf. Ecological Protection of the Planet Earth, Xanthi, Greece, June 5-8 2001, II, 981-986, 2001.
Ivănescu L., Gostin I., Cito-histological changes due to the action of atmosphere pollutants on three species of gymnosperms. International Journal of Energy and Environment (NAUN Journal), 2,
1, 95-100, 2007.
Ivănescu L., Toma C., Reacţii de răspuns ale unor specii de conifere afectate de poluare: modificări cito – histologice. Studias Universitas Vasile Goldiş, Arad, Seria Ştiinţele vieţii 17/1, 37-44, 2007
Kerstiens G., Plant cuticles. BIOS Scientific Publishers Ltd., Oxford, 1996.
Yunus M., Iqbal M., Plant response to air pollution. John Wiley & Sons, Chichester New York Brisbane
Toronto Singapore. 1996
Read_full_article: pdf/18-2008/SU08Ivanescu.pdf
Correspondence: Lăcrămioara Ivănescu, Faculty of Biology, Department of Biology, Carol I Bd., no. 20A, 700506,
Iaşi, Romania, e-mail: ivanescu67@yahoo.com

Read full article
Article Title: Some aspects concerning the interaction between needle surfaces and solid industrial pollutants
Authors: Lăcrămioara Ivănescu, Constantin Toma, Maria Magdalena Zamfirache, Ramona Crina Galeş
Affiliation: Faculty of Biology, “Al. I. Cuza” University of Iasi, Romania
Abstract: The investigations made by us about the micromorphology of the foliar surfaces of two species
of gymnosperms in the industrial areas Bicaz (the Neamţ District, Romania). The investigations of electronic microscopy (S.E.M.) made up at the level of necrotic and/or chlorosis surfaces (top, middle, basis) of the acicular leaves of Pinus sylvestris and Pinus nigra showed changes of the cuticular surface, their contortion, caused by the total disappearance of the parallelism between the cuticular prints, the chaotic setting of the stomata and their less dimensions, the presence of cuticular clefts, the closing of the ostiols with amorphous wax, which could be an indicator of the “suffering” of the leaf mesophyll in general. The analysis of the foliar surfaces by means of the S.E.M. revealed the role of the solid deposits of industrial origin in the phenomenon of partly defoliation or total one of the individuals, oftenly during the full season of vegetation.
Keywords: needle surfaces, industrial pollutants, micromorphology
References: Il’Kun G. M., Zagriaziteli atmosfery i rasteniia. Naukova Dumka, Kiev, 1978.
Inamdar J.A., G. S. Chaudhari., Effects of environmental pollution on leaf epidermis and leaf architecture. J. Plant. Anat. Morphol., 1, 1-7, 1984.
Ivănescu L., Toma C., Influenţa poluării atmosferice asupra structurii plantelor. Ed. Fundaţiei Andrei Şaguna, Constanţa. 2003.
Ivănescu L., Toma C., Modifications morphologiques et structurelles induites par les polluants
atmosphériques sur les aiguilles de Pinus nigra Arn. et Pinus sylvestris L. An. şt. Univ. Iaşi, s. II a, Biol. Veget., XLIII, 27-34, 1997.
Ivănescu L., Toma C., Gostin I., Toma O., Responses of the plants to the action of atmospheric pollutants. Proc. Int. Conf. Ecological Protection of the Planet Earth, Xanthi, Greece, June 5-8 2001, II, 981-986, 2001.
Ivănescu L., Gostin I., Cito-histological changes due to the action of atmosphere pollutants on three species of gymnosperms. International Journal of Energy and Environment (NAUN Journal), 2,
1, 95-100, 2007.
Ivănescu L., Toma C., Reacţii de răspuns ale unor specii de conifere afectate de poluare: modificări cito – histologice. Studias Universitas Vasile Goldiş, Arad, Seria Ştiinţele vieţii 17/1, 37-44, 2007
Kerstiens G., Plant cuticles. BIOS Scientific Publishers Ltd., Oxford, 1996.
Yunus M., Iqbal M., Plant response to air pollution. John Wiley & Sons, Chichester New York Brisbane
Toronto Singapore. 1996
*Correspondence: Lăcrămioara Ivănescu, Faculty of Biology, Department of Biology, Carol I Bd., no. 20A, 700506,
Iaşi, Romania, e-mail: ivanescu67@yahoo.com