Current use of copper, mineral oils and sulphur for plant protection in organic horticultural crops across 10 European c
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SI: ORGANIC WORLD CONGRESS 2020
Current use of copper, mineral oils and sulphur for plant protection in organic horticultural crops across 10 European countries N. Katsoulas & A.-K. Løes & D. Andrivon & G. Cirvilleri & M. de Cara & A. Kir & L. Knebl & K. Malińska & F. W. Oudshoorn & H. Willer & U. Schmutz Received: 30 April 2020 / Accepted: 1 October 2020 # Springer Nature B.V. 2020
Abstract The use of several plant protection inputs of mineral origin, such as copper, sulphur or mineral oils is seen as contentious by many consumers and stakeholders within the organic sector. Although the use of these inputs is legal in organic systems and also applied in non-organic agriculture, their use by organic growers raises questions for organic practice, which aspires to be free from toxic, non-renewable chemicals. Data on the current use of permitted plant protection inputs is
currently scarce, especially in horticulture where chemical inputs deserve special attention since horticultural products are often readily edible. A mapping of the use of copper, sulphur and mineral oils was conducted by collecting expert knowledge across 10 European countries during May–October 2018, i.e. before the limitation of copper use to 4 kg ha−1 year−1 from February 1, 2019. Results show that copper is widely used by Mediterranean organic growers in citrus, olive, tomato and
N. Katsoulas (*) Department of Agriculture Crop Production and Rural Environment, Lab of Agricultural Constructions and Environmental Control, University of Thessaly, Fytokou Str., 38446 Volos, Greece e-mail: [email protected]
A. Kir Ministry of Agriculture and Forestry, General Directorate of Agricultural Research and Policies, Olive Research Institute, University Str., N.43, 35100 Izmir, Turkey
A.
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