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Messages - Vlad

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Citrus General Discussion / Re: Is this pot big enough?
« on: May 28, 2023, 09:38:13 AM »
The bottom of root ball falling off may mean you have root rot.

Citrus General Discussion / Re: USDA says silicon helps citrus
« on: May 26, 2023, 08:53:25 AM »
Dyna-Gro Pro-TeKt supplies silicon (and potassium).

Citrus Buy, Sell, & Trade / Wanted: kumquat and mandarin cuttings
« on: May 24, 2023, 02:52:52 PM »
I am looking for kumquat and mandarin scions to graft onto rootstock. Need total of 10 cuttings. Would be happy to pay. (I am in Massachusetts which does not have quarantine requirement.)

Citrus General Discussion / Re: Root rot cure
« on: February 10, 2023, 09:31:54 PM »
I see no holes.

Citrus General Discussion / Root rot cure
« on: February 07, 2023, 10:50:43 PM »
I have had problems with root rot and have never been able to successfully deal with it. I have tried removing the old soil mix with fresh mix and/or soaking roots with dilute hydrogen peroxide but that did not work.
Have any of you had success treating root rot?
(I am not looking for how to prevent root rot. I want to know how to cure it.)
N.B.: I am careful not to over water. I have had root rot in gritty mix (equal parts fir bark, Turface MVP, Gran-I-Grit) and 5:1:1 mix of pine bark fines, Perlite peat moss).

Here is one article:
Could not find any scientific studies but did not look deeply

P stands for Poncirus

Citrus General Discussion / Re: Turunji - A Citrus You Eat Like An Apple
« on: December 26, 2022, 10:27:28 PM »
I have the same complaint about Logee's. Every citrus tree I bought from them has been severely root bound in two inch pots. I had trouble untangling the roots and in one case, there was one thick root that encircled the small pot and I was unable to untangle it. I have stopped buying trees from them.

Citrus General Discussion / Re: How to save a limonella tree
« on: December 11, 2022, 08:24:38 AM »
More information is needed in order to diagnose the problem. Is it in a container or planted in ground? If in container, how much light does it get, what temperature, what soil mix, how often do you water, etc.?

Citrus General Discussion / Re: Is dwarfing rootstock necessary?
« on: December 03, 2022, 11:10:16 AM »
@poncirsguy I have successfully rooted a few (not trifoliate) but my success rate is very low. My success rate for (cleft) grafts is also very low.
@pagnr I have not yet decided what I want but it will probably be kumquats and/or mandarins.

Citrus General Discussion / Is dwarfing rootstock necessary?
« on: December 02, 2022, 11:36:29 PM »
I am planning on getting some citrus cuttings and propagating them. I need to decide whether I should root them or graft them. They will be grown in containers. So, should I root or graft?

I have a question to add to the above: what are the light requirements under those conditions?

Cold Hardy Citrus / Re: How to keep citrus alive in winter? Zone 8b/7
« on: September 23, 2022, 10:30:27 PM »
How cold do citrus have to be to survive winter in the dark?

Cold Hardy Citrus / Re: Decent germination of "large fruited Poncirus"
« on: August 28, 2022, 10:44:55 AM »
How long will it take for the seedlings to bear fruit?

Citrus General Discussion / Re: How to cut mandarin tree
« on: August 03, 2022, 01:48:24 PM »
@Millet Would cutting off the top 25% inhibit fruit production?

Cold Hardy Citrus / Re: Fukushu grafted to Flying dragon
« on: July 09, 2022, 10:33:31 AM »
Nice job, Steve.
How old is the Flying Dragon?
How do you prevent your plants from being blown off the roof? I am thinking of putting some on my roof but am afraid they will be blown off or blown over.

Citrus General Discussion / Re: Foliar Chlorosis?
« on: May 17, 2022, 10:42:02 PM »
I am not convinced that the grass is a significant competitor for nutrients. Are there any scientific papers about this?

Citrus General Discussion / Re: looking for interesting varieties
« on: May 11, 2022, 09:49:13 PM »
I too stand with Ukraine. Glory to Ukraine!

Please provide more information on these containers, e.g., manufacturer, model no..

I tried urea from Alpha Chemicals once and it caused burning and defoliation. Their specification sheet says that biuret is less that 0.5%, which I believe is considered "low"biuret". Their spec sheet is here:
I do not know if I over applied it because I do not know what is meant by "over applied". I sprayed both sides of leaves until I saw it dripping from leaves. This was done indoors and trees were kept indoors under lights.

The citrus in 2" pots I have bought from Logee's have been severely root bound. I had to remove all soil from the root balls and cut away large circling or "J" shaped roots. I had to do that to two Turunji's I bought from them and both now have yellow leaves, which I believe is due to root problems.

Citrus General Discussion / Re: Ukraine
« on: February 27, 2022, 09:54:10 PM »
My parents were Russian and they have told me what it was like living under Stalin's brutal dictatorship. Some of my friends were Ukrainian. My heart goes out to the Ukrainian people fighting for freedom and democracy. We need to send them more weapons.

Citrus General Discussion / Re: What is causing yellow leaves?
« on: February 20, 2022, 10:14:25 PM »
I checked the roots and found no root rot, so it must be a nitrogen deficiency even though I feed with Jack's 25:5:15.
Any suggestions for treating the nitrogen deficiency?

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