Studies on the phytotoxicity of acid smuts |
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| Authors: | Giacomo Lorenzini Alessandra Panattoni Giorgio Schenone |
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| Institution: | 1. Dip. to Coltivazione e Difesa Specie Legnose, Sez. Patologia Vegetale, Università di Pisa, 56100, Pisa, Italy
2. ENEL-CRTN, Servizio Ambiente, Via Rubattino 54, 20134, Milano, Italy
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| Abstract: | Experiments were carried out to investigate, under controlled conditions, the effects of acid smut emitted by oil-fired power plants. The foliar response of 31 selected plant species was ranked and marked differences in sensitivity were observed. Anatomical features of the foliar lesions were described. The toxicity of smuts was largely dependent on their acidity and size. Toxicity was related to temperature but was completely independent of relative humidity in the range from 50 to 90%. No interactive effects were observed between acid smuts and some commercial fungicides, or treatments with asymptomatic concentrations of So2 in fumigation chambers. Some growth parameters were negatively affected by acid smuts in radish. |
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