Amur Maple disease

frogribbitAugust 19, 2010

I planted 3 foot Amur maples in June & they have been doing very well until lately. I have been watering every 5 days if we haven't had any rain. I've already lost one. The edges of the leaves turn brown, then eventually the whole leaf turns and then the trunk dies. Attaching a pic. Thanks!

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jean001(z8aPortland, OR)

Not a disease.

Newly planted trees often need to be watered every day or two. And the *critical* place to apply the water is directly into the rootball.

    Bookmark   August 19, 2010 at 11:01PM
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dan_staley(5b/SS 2b AHS 6-7)

I'll disagree slightly with jean, the 'disease' is lack of water.

Dan

    Bookmark   August 20, 2010 at 9:58AM
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hortster(6a, southcentral KS)

frogribbit, did you fertilize when planting or after? I have seen a similar look (dead tan tip, darker brown line between the green and tan areas) when new plants have been fed before they have had time to establish a good root system. But, could be too little water as well.
hortster

    Bookmark   August 20, 2010 at 11:06AM
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frogribbit

We have clay soil - I'd think watering every day (or even two) would be too much??

Horster - I did fertilize once with half strength Miracle grow. So do you think I 'burned' the root ball?

    Bookmark   August 23, 2010 at 3:04PM
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