Knowledgebase
Why are the leaves on my blackcurrant narrow and few flowers being produced?
Posted by Suttons Staff on 17 July 2013 10:55 AM
Poor flowering and narrow leaves are due to reversion disease which is spread by the blackcurrant gall mite. Plants suffering from this disease produce leaves that are slightly yellow and have smaller veins than would normally be expected. As the juvenile leaves mature they are narrow and have fewer lobes than healthy ones, these symptoms can be difficult to identify especially especially in spring and summer. The easiest time to identify reversion is when the bush starts to flower. Fewer buds will be produced and they turn a bright magenta colour instead of the usual dull grey of healthy buds. If the bush fails to crop properly look for these symptoms the following year. Once a plant has reversion disease it should be destroyed and further plantings of blackcurrants should be on a new site.
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