Cuprokylt Update for Potato Growers
An emergency authorisation has been granted for the use of Cuprokylt, which is a copper oxychloride product, for the control of late blight (Phytophthora infestans) on organic potatoes. The authorisation does not apply to any other copper based products - only Cuprokylt - and ends on 28th September 2018. The full details of the authorisation can be viewed here. Copper applications must not exceed a total of 6kg/ha/year of total copper. If you require any further information, please contact your Certification Officer.