Clearing the leaves isn't easy, as the base of the tree has herbaceous planting, I may try putting some fine netting down to catch them. Using copper fungicides is confusing but knowing exactly when to use copper fungicide is the key to success. Marketed in the UK by Certis, Funguran Progress has an active ingredient of 537 g/kg copper hydroxide. Copper fungicides are often the first line of defense, especially for gardeners who prefer to avoid chemical fungicides. Main use Controls blight on potato and tomato; celery leaf spot; apple canker; bacterial canker on cherry and plum; peach leaf curl; black currant and gooseberry rust.

Horticultural advisor Hugh Blogg – who works in the Soil Association’s farming team supporting farmers to adopt sustainable practices – said he hoped the pledge will help to unite supply chains in the organic potato sector. Marija Rompani, Director of Ethics and Sustainability, at the John Lewis Partnership, which includes Waitrose, added: “ With COP26 on the horizon we’re constantly looking for ways to improve our impact on nature and biodiversity.It is a serious problem for all potato growers, but it can be particularly difficult for organic farmers as they don’t use chemical inputs to fight off the disease. Following the ECP recommendation not to approve Funguran, The Soil Association moved swiftly to ensure its use was retained on potatoes, urging affected members to contact Defra farming minister Victoria Prentis.

Items will be dispatched same day if purchased before 17:30 Mon-Friday otherwise the next working day. Known to affect potato and tomato crops, plants affected by blight must also be destroyed to stop the fungus from spreading.I am not sure if the water would be part of the reaction as the Copper and Hydrochloric acid would be quite happy to form Copper Chloride. As well as adherence to the restrictions, any samples submitted by a grower to an organic certifying body may also be used by the CRD to support future applications for Funguran. It's hard to tell without a very high quality microscope but the resulting solution looks different - I suspect that the particles in the powder are bigger. Please contact your sites administrator if you believe this other user or machine has unauthorised access. The 103 third parties who use cookies on this service do so for their purposes of displaying and measuring personalized ads, generating audience insights, and developing and improving products.

Launched by the Organic Grower’s Alliance, the UK Robust Potato Pledge 2021 sees a host of retailers, with Waitrose the largest, agreeing from 2026 to only sell only ‘robust’ organic potatoes grown without copper-based fungicides, which are used to combat late blight Phytophthora. It is designed for a 20 Litre spray and you will require 2 x 10 litre non-metallic containers in which to mix it. Gardening Know How is part of Future plc, an international media group and leading digital publisher. Well, copper hydroxide is usually formed from copper oxide + water, although I failed to see this reaction there.We hope it will provide certified organic farmers with the confidence to grow less-known varieties, as well making it easier in future for other farmers to grow potatoes without using chemicals. It is for preventive use in protection against diseases, in the amateur cultivation of low-foaming fruit trees and vegetable plants in allotment also home gardens. Products approved in the UK are assigned a registration number, printed on the pack – MAPP numbers for pesticides for use on plants and HSE numbers for household products.