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Dying Kumquat

 
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fsgpr



Joined: 06 May 2007
Posts: 4
Location: St. Matthews, SC, zone 8a (approx)

Posted: Wed 12 Sep, 2007 11:29 pm

Hello Everyone,

I have been lurking on these forums for a bit and been trying to grow a few citrus plants in central SC, about 25 miles SE of Columbia.

I have a couple of other plants that seem to be growing ok (Thomasville seedling, Yuzu seedling, and a grafted Satsuma) all in the same area as the kumquat.

I planted the plant around early May. The plant seems to have had some leaf damage over the summer (small amounts of brown, some leaf curling if not watered that my other trees did not seem to have). It seemed to be ok after being watered, but the tree overall had very little growth compared to the others. It gets about 70% sun and I have fertilized it using palm fertilizer.

Now the tree seems to be dying, any ideas on what I can do to save it or will it recover on its own?



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Laaz
Site Owner
Site Owner


Joined: 12 Nov 2005
Posts: 5664
Location: Dorchester County, South Carolina

Posted: Wed 12 Sep, 2007 11:46 pm

Hello fsgpr and welcome to the forum.
From the looks of your tree it has some serious root damage.

A little bit more info would help.

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fsgpr



Joined: 06 May 2007
Posts: 4
Location: St. Matthews, SC, zone 8a (approx)

Posted: Thu 13 Sep, 2007 8:40 am

Laaz wrote:
Hello fsgpr and welcome to the forum.
From the looks of you tree it has some serious root damage.

A little bit more info would help.



We have sandy soil, when I planted the tree I put a couple of inches of cow manure (type from Home Depot in bags) at the bottom of the hole

I did not separate the roots very much from the root ball; maybe I should dig it up, separate the roots some, and replant? Or is that likely to make things worse at this point?
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Steve
Citruholic
Citruholic


Joined: 10 Sep 2007
Posts: 253
Location: Southern Germany

Posted: Thu 13 Sep, 2007 9:13 am

Hello,
do you know what rootstock you have?
Because planting a tree above a big nutritious pack of manure means to confront the sensitiv root tips with high amounts of radical salts....
The result is often a immediate root damage especially if you have a salt sensitive rootstock!

So it's usualy much better, not to add the manure into the plant hole and seting tree at-top and close the hole with soil, because the hard reactions on the manure will direct affect the roots.
So much better it is, to dig a hole, and add no fertilizer at all, set the tree in and close it, for about one week to make the tree settle itself in the ground.
Now you can add manure to the top, and using a rake work the manure into the top inches of the soil. Now water throughly and all benefical nutrients will get right into the soil and can be taken up by the plant on demand....


So I would suggest: Dig the tree out again, remove the manure as good as possible, cover the bottom of the hole with native soil and set the tree atop. Now close the hole, and let the tree settle. If you are not sure to if you can remove all the manure, dig the hole larger and replace the soil, and then plant the tree.
So my two cents

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fsgpr



Joined: 06 May 2007
Posts: 4
Location: St. Matthews, SC, zone 8a (approx)

Posted: Thu 13 Sep, 2007 9:56 am

Steve wrote:
Hello,
do you know what rootstock you have?
...

So I would suggest: Dig the tree out again, remove the manure as good as possible, cover the bottom of the hole with native soil and set the tree atop. Now close the hole, and let the tree settle. If you are not sure to if you can remove all the manure, dig the hole larger and replace the soil, and then plant the tree.
So my two cents



I am not sure what root stocks I have, though your advice seems to make sense based on what I have seen... The trees that I planted at the same time as the kumquat grew at an ok rate for a couple of months and then stopped having much new growth for the month of August, with a couple of leaves looking burnt (no where near like what the kumquat is having though). At the same time though, a Satsuma that I planted last year (and had almost died back to the roots) has grown back to be bigger then any of the other trees (about 5 feet).

I will go ahead and replant all 3 of these trees tonight and post how they are doing in a couple of weeks.

Thanks for the quick advice!
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SusanB
Citruholic
Citruholic


Joined: 24 Jun 2007
Posts: 274
Location: Tennessee, USA

Posted: Thu 13 Sep, 2007 10:57 am

Hi, I'm new to citrus too, but I would follow Steve's advice and also shake the old soil out of the rootball. Only use soil to fill in the hole- no fertilizer or potting soil. I've killed plenty of plants by fertilizing too soon and killing the roots.
Newly planted trees need some extra water for the first year. If it has been as hot and dry in SC as it has been in TN (one-tenth inch rain in the last 6 weeks) and you haven't been watering, that's not good!
Also make sure you have the tree planted at the correct depth.
Check out the tree planting tips here:http://www.urbanext.uiuc.edu/hometips/treeplanting.html

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Susan B
Lakeside Callas
www.lakesidecallas.com
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fsgpr



Joined: 06 May 2007
Posts: 4
Location: St. Matthews, SC, zone 8a (approx)

Posted: Mon 24 Sep, 2007 11:10 pm

SusanB wrote:
I've killed plenty of plants by fertilizing too soon and killing the roots.


It looks like it is dead above the graft line. Any ideas on what would cause this?

I plan on leaving the plant be for a while and trying to graft something to it next year. Should I cut off the dead part or just leave it?
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buddinman
Citrus Guru
Citrus Guru


Joined: 15 Nov 2005
Posts: 342
Location: Lumberton Texas zone 8

Posted: Tue 25 Sep, 2007 1:05 am

Fertilizer of any kind should never be placed in the hole where the tree will be planted. This includes barnyard. The original soil that came out of the hole should be used for the fill. The hole should be slightly larger than the root ball. If the plant was container grown the roots should be cut vertically from top to bottom four or five cuts about an inch or so inside the root ball. this will encourge good outward root development. It is desirable to add root stimulator when watering the plant in. Go by the directions on the container. The plant should be planted slightly higher than the origanal earth line as it will settle some.
Good luck on saving your kumquat but from the looks of the picture it looks beyond hope.
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Steve
Citruholic
Citruholic


Joined: 10 Sep 2007
Posts: 253
Location: Southern Germany

Posted: Tue 25 Sep, 2007 4:26 am

fsgpr wrote:
Any ideas on what would cause this?


Dead roots = dead tree!

Roots provide water to the upper parts of the plant. As roots die, less water will go up to the leaves, and thus wilting will occur, in severe root damage cases, sudden willting, dyback of twigs and limbs will occur, and if the roots will not recover soon, the whole canopy will dyback and dry out....

So, the cause of what is shwon here, is usually a severe damaged root system....

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