The main pests and diseases of the grape vine
How to prune a grape vine?
When buying and planting a grape vine?
Can one grow grape vines in cold countries?
Could we grow a grape vine in a pot?
How to plant a grape vine?
Bordeaux mixture and other copper based mixtures are used preventively against grapevine downy mildew.
It has low toxicity, but problems arise in some soils where copper accumulates, due to too frequent use.
Recently, it isn’t found anymore easily in shops, but only in garden centres with the ad hoc authorization.
Read the instructions of the manufacturer.
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