Abstract
Erysiphe necator is favourably influenced by the increase in temperatures and remains the main pathogen threatening grape in Northern Italy. In the present work, the efficacy of laminarin and calcium oxide in the control of grape powdery mildew was evaluated, comparing them to sulphur. Two tests were carried out on potted grape “Moscato” plants in 2017, and two field trials were carried out in Italy during 2016 and 2017 on a vineyard of the “Moscato” variety. Laminarin and calcium oxide showed, for the first time, to significantly reduce powdery mildew, and this occurred in all trials. However, laminarin was less effective than sulphur in potted trials and in 2016 field trial, and both laminarin and calcium oxide were less effective than sulphur in 2017 field trial.
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Acknowledgements
Part of the work was carried out within the SAFEGRAPE Project (approaches to the sustainable control of fungal pathogens of grape), funded by the Foundation “Cassa di Risparmio di Cuneo” and within the European Horizon 2020 project EUCLID (EU-CHINA Lever for IPM Demonstration), Contract No. 633999.
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Pugliese, M., Monchiero, M., Gullino, M.L. et al. Application of laminarin and calcium oxide for the control of grape powdery mildew on Vitis vinifera cv. Moscato. J Plant Dis Prot 125, 477–482 (2018). https://doi.org/10.1007/s41348-018-0162-8
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DOI: https://doi.org/10.1007/s41348-018-0162-8