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Meiwa kumquat: 2 questions?

7 years ago

I have 4 kumquat trees, the Meiwa is getting discolored leaves, I thought this might be some type of nutrient deficiency? The other 3 trees are fine. Any thoughts?

This is a young Meiwa, probably 2 years, and until recently it had 5 kumquats on it (probably too young, but I couldn't bring myself to take them off even though I know better). Wondered if that taxed the nutrition?

Also, all of my trees are in pots kept indoors. To water the trees I plunge them in a large bucket of water treated with vinegar (to approx pH 6.5), Foliage Pro at 1/2 tsp per gallon, and Pro-tekt at 1/4 tsp per gallon. The 1:1:1 soil also contains Osmocote Plus (it contains minors). I leave the pot in the bucket of water for about 4 minutes and then let it drain. I want to make sure that the bark and fired clay are moistened and not rejecting the water from being overly-dry, but I don't want to drown the trees either? Been doing it this way about 6 months. Is this OK, or too long? Can I leave them a minute or 2 longer, do you think?

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Comments (5)

tcamp30144(7B N.ATLANTA)
7 years ago
More than likely the time of year Kumquats are very sensitive to cold and will not take up nutrients or fertilizer correctly. If you can water in 85 degree water to warm roots so they take up nutrients better. With my citrus trees it lessens the Spolshy leaves however it doesn't totally prevent them. Winter is this bad for citrus in non citrus regions. My kumquat tree is crowded in my greenhouse but you can see the fruit on the tree below. Even though my leafs are mainly green they do have yellow splotches in them, they generally go away when it warms up and the tree is able to sort nutrients better. Only other thing I could suggest the green them up is a small amount of epson salt. As far as the type of watering u do I have never watered my citrus that way So I cannot give you advice on that. I water mine by flooding the pots from the top, i have very well draining soil and only water every 3 to 4 days.You can only do so much for them and winter there going to be a little bit unhappy.
Trace

This post was edited by Tcamp30144 on Sun, Feb 8, 15 at 23:52
poncirusguy6b452xx
7 years ago
last modified: 7 years ago
I dunk mine for 15+ minutes ever 3 weeks and do a simple watering in between. From seed to 2 years old My seed grown sweetlee tangerine tree have thrived and

HAS GROWN IN A 5 FOOT 5 INCH WELL BRANCHED TREE
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Kumquats can alternate bear, so when it was in the ground, probably nothing was wrong. Doubtful you had "bad soil", just needing to be fertilized, and watering needed to be adjusted properly (not too much, not too little). The potting medium you're using is most likely much too dense, retaining too much water, and, if allowed to dry out, becoming hydrophobic (won't absorb water, just runs through the container). So, watch for that. And, it may take a year or so for your poor tree to recover from all the transplant shock, so give it some time if you plan to keep it in a container. Water appropriately, fertilize frequently, but be sure to, on occasion, flush out the container to remove built up salts (to prevent burning). Patty S.
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ditto what patty said, too much water. But really it's in a moisture retentive soil which will rot the roots. More plants are killed by too much water than too little. azatrol is what I have used in the past for soil critters, it's a concentrated neem oil, where as gnatrol is a biologic microbe which targets some bugs. azatrol knocked out the fungus gnats for me in 2 doses. But really what's happening is your roots are rotting so your plant can't absorb nutrients or water so the leaves shrivel up and die. Root health = plant health! I'm not sure it's bugs, usually the soil bugs are just annoyances, and unless you see spider webs (spider mites) or scale on the under side, chances are you just have a bad soil. Here's what I would do in your situation. Gather the parts for the gritty mix, get a 4 oz of dyna-grow neem oil, 1 gallon sprayer. remove all soil from the plant (wash it off) then spray down the entire plant in the shower with neem oil (including roots), Then repot in gritty mix, wash the dust out, and then spray 2 more times at 2 week intervals. Water with foliage pro every few days.
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Also Laura if you are reading... I just went to my back garden area where I have some of of citrus, peppers and figs... do you remember that super tall fig I posted about on the fig forum? As I was approaching I noticed I didn't see the fig... confused, I look around... and realize it is quite windy... and hot... and remember I haven't been back here in a day or so.... and sprint back there to find the fig laying on top of 2 of my citrus!!! It had dried out a bit in the heat and the wind and fell on top of my pink sensation pummelo and australian finger lime... like fully on top. Somehow the citrus were holding it up and there was no damage... today is my lucky day. So yes I guess the fig pot is way too small, as you suggested lol.
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poncirusguy6b452xx
7 years ago
last modified: 7 years ago
This is the tip of the 5 foot+ tree below and the second picture from my computer uploaded on the same entry as an edit. Please note the second picture is on top of the first and in the reverse order i was hoping for

This is to show the other in ground sweetlee tangerine tree from seed

I also dunked this tree on the above scheduled. Please notice that even though I got this picture from my computer. I can write below it. GW did not allow this. I am going to save this then edit and see if I can get a second pic prom the computer on the same post
tcamp30144(7B N.ATLANTA)
7 years ago
You have some really beautiful trees Steve how are kumquats doing. My kumquats are okay they're the only trees that lost some leaves this winter.

Trace
poncirusguy6b452xx
7 years ago
last modified: 7 years ago
Hi Trace I just now got a notice in my email on your post.

Nagami is dead at the roots and firs 3 inches up. I have a 6 inch long bend graft with a healthy poncirus trifoliata that is wrapped with Teflon tape. Nagami top is dead. I will not know until I take the tape off this spring if the graft took and the tape protected the scion from the elements. Oh well the fruits of nagami probably would have been sour anyway.

Meiwa is in slightly better shape. as the bottom 6 inches is still alive.

Steve

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