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Poorly Walnut tree
KeenOnGreen
Posts: 1,831
in Plants
I planted an English Walnut tree, Juglans Regia, in Spring 2014. In midsummer last year and this year, the leaves started to turn brown at the tips. I don't think it's diseased, as it has otherwise flourished and grown strongly in it's 2nd year. We are on heavy clay, and dug a sizeable planting hole when we planted it, filled in with topsoil/manure/compost. Could this be over or under watering?
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You could be right, wasn't aware of this. There are no blotches at all on the leaves, just brown die back from the ends, so I'm still not 100% sure it is this disease. As the planting hole was in pure clay, I think it may be acting as a sump when we (over) water. I'll read up more about this disease, and cut back on the watering for a few weeks to see if things improve.