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Influence of climate conditions and phenological stages on air pollution damages in wheat varieties. (Abstract in rivista)

Type

Prodotto della ricerca (Classe)
Abstract in rivista (Classe)

Label

Influence of climate conditions and phenological stages on air pollution damages in wheat varieties. (Abstract in rivista) (literal)

Anno

2007-01-01T00:00:00+01:00 (literal)

Alternative label

(1) Picchi, V., (1)Quaroni, S., (1) Saracchi, M., (2) Viola, P, (2) Iriti, M., Faoro, F. (2007)
Influence of climate conditions and phenological stages on air pollution damages in wheat varieties.
in XIV Congresso Nazionale della Società Italiana di Patologia Vegetale, Perugia, 2007
(literal)

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(1) Picchi, V., (1)Quaroni, S., (1) Saracchi, M., (2) Viola, P, (2) Iriti, M., Faoro, F. (literal)

Convegno

XIV Congresso Nazionale della Società Italiana di Patologia Vegetale (literal)

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Perugia (literal)

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pubblicato in : Journal of Plant Pathology, 89 (3, Suppl.), S53, 2007 (literal)

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INFLUENCE OF CLIMATE CONDITIONS AND PHENOLOGICAL STAGES ON AIR POLLUTION DAMAGES IN WHEAT VARIETIES. V. Picchi1, S. Quaroni2, M. Saracchi2, P. Viola3, M. Iriti1,2 and F. Faoro1,2. 1CNR, Istituto di Virologia Vegetale, U.O. Milano and 2Istituto di Patologia Vegetale, Università di Milano, Via Celoria 2, 20133 Milano; 3Apsovsementi, Voghera, PV, Italy. E-mail: franco.faoro@unimi.it. A three year survey on wheat variety performance in Po Valley (Voghera, PV) has been carried out, correlating climate conditions (temperature and rainfall) and tropospheric ozone levels with the evolution and severity of a peculiar symptomatology due to air pollution, very likely to ozone, as assessed with open top chambers (OTC) facilities and cytochemical investigations. Symptoms consisted of small regular chlorotic spots, usually appearing in the last decade of April and evolving, in some varieties, in necrotic elliptical lesions. The surveys (March-June, each year) indicated that symptom severity, besides being related to the sensitivity of each variety, also depends on the phenological stage in which critical ozone AOT40 (Accumulated dose Over a Threshold of 40 ppb) levels were reached. In 2007, a year characterized by a mild winter and heavy early spring rainfalls, enhancement of symptom severity was observed. In this year, even tolerant varieties, such as Guarni (common wheat) and Dylan (durum wheat), showed chlorotic spots already in the first decade of April, even though AOT40 levels (literal)

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