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Vegetative survival and reproduction under submerged and air-exposed conditions and vegetative survival as affected by salts, pesticides, and metals in aerial green algaTrentepohlia aurea

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Abstract

Trentepohlia aurea vegetative cells do not survive submerged conditions for more than 5 months, but can survive air-exposed conditions for more than 1 year. Disintegration and rapid death of algal cells was observed to a higher extent under submerged than air-exposed condition. Under submerged conditionsT. aurea did not form any sporangium while prolific formation occurred under air-exposed conditions. Under submerged conditions algal cells formed few-celled, filamentous, cytoplasmic type setae. Vegetative cells were resistant to some extent to various levels of salt (NaCl, ≤0.8 mol/L), pesticides (DDT, 2,4-D or captan, 2000 ppm) and ‘heavy’ metals (zinc or nickel, 200 ppm; cobalt, ≤100 ppm.)

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  1. Department of Botany, University of Allahabad, Allahabad, India

    S. Gupta & S. C. Agrawal

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  1. S. Gupta
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  2. S. C. Agrawal
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Gupta, S., Agrawal, S.C. Vegetative survival and reproduction under submerged and air-exposed conditions and vegetative survival as affected by salts, pesticides, and metals in aerial green algaTrentepohlia aurea . Folia Microbiol 49, 37–40 (2004). https://doi.org/10.1007/BF02931643

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  • DOI: https://doi.org/10.1007/BF02931643

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