JoelM
Newly Registered
Posts: 2
Joined: Tue Jun 02, 2009 10:55 pm
Location: Miami, FL

Mango tree's leafs: black spots & tips are browning

Hello everyone!

I'm having a little trouble with my young Mango tree (about 6-7 feet tall and 4-6 feet wide) which I have planted in my back yard (South Florida).

First of all, some of the leafs has black spots due to fungus (little black spots that looks like someone burnt it with a magnifying glass). I learned a lot about this problem from [url]https://www.helpfulgardener.com/forum/viewtopic.php?t=3362[/url].

My second problem is that the tips of the leafs are browning and dyeing off. What is causing this and how can I deal with it? Is it a nutrition problem?

I have a bin full of worm castings, should I apply it to the tree and if so, what's the best method of application?

Thanks for any help in advance!


[url=https://img197.imageshack.us/my.php?image=mangotreewithleafspots.jpg][img]https://img197.imageshack.us/img197/7294/mangotreewithleafspots.th.jpg[/img][/url]

The picture above can also be seen here: [url]https://en.wikipedia.org/wiki/File:Mango_Tree_with_Leaf_Spots.jpg[/url]

JoelM
Newly Registered
Posts: 2
Joined: Tue Jun 02, 2009 10:55 pm
Location: Miami, FL

Here is another image of a leaf I scanned. Is this also due to the same fungus or a bug?

I have searched the tree over for bugs and can't find any...

[url=https://img193.imageshack.us/my.php?image=mangoleaffungus.jpg][img]https://img193.imageshack.us/img193/2235/mangoleaffungus.th.jpg[/img][/url]

damethod
Senior Member
Posts: 183
Joined: Mon May 05, 2008 12:15 pm
Location: Miami, FL

The burning at the tips can be a sign of potassium defficiency. The spots are caused by anthracnose. You need 'Liquid Copper Fungicide' spray.



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