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Messages - pagnr

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301
Citrus General Discussion / Re: Sanbokan - Anyone else growing it ?
« on: December 24, 2021, 03:43:17 PM »
As I can get plenty of the classic Citrus around here from farms, (Oranges and Mandarins), the Sanbokan is a standout for me. I really enjoy the sweet lemon flavour.
It also has a fragrant element that you can't get from just adding sugar to Lemon Juice.

302
Citrus General Discussion / Re: An identification request for CitrusPages.
« on: December 24, 2021, 03:37:35 PM »
The seeds don't look like pure Citron seeds, or even Lemon seeds.
Agree, It's more likely a hybrid, but that is expected.
I wonder what this fruit is used for ?? That's a lot of lime / lime juice in one hit.
The Alemow or Colo, Citrus macrophylla is cooked whole in stews in the Phillipines.

303
I think it was discussed on the forum here ?
https://tropicalfruitforum.com/index.php?topic=45565.0

304
Citrus General Discussion / Re: Good citrus books?
« on: December 19, 2021, 12:16:15 AM »
The works of Chozaburo Tanaka from Japan are also classic Citrus texts. They especially covered many obscure Citrus types unknown in the West.
Although he tended to name types as species, a trend that has been reversed to name all Citrus and relatives in the Citrus genus.
Genetic analysis has recently revealed complexity of Citrus evolution, including the male / female direction of crosses, multiple ancestors, back crosses etc.
This has left me with the impression that Tanaka was able to perceive some of this complexity now revealed, which is partly why he differentiated many types most would simply place together.

305
Citrus General Discussion / Re: How to bring a neglected citrus tree back
« on: December 18, 2021, 10:10:24 PM »
For severely neglected trees, nearly any fertiliser should get a response.
I would probably first go for a low to medium N, organic based, to give some soil microbe stimulation. Or at least include some soil stimulation.
As for pruning, you may as well remove any damaged growth etc, rather than resurrect the tree with it still there.
For plants with previous heavy leaf loss, maybe prune back the top third, especially naked twigs, rather than trying to get every bud to flush.
Sometimes heavy flushing on tired plants leads to growth stagnation.

306
Citrus General Discussion / Re: Urea Spray
« on: December 17, 2021, 07:16:47 AM »
Going back to the Stone Age or maybe the Far Far Far East...

Or 1500's to 1600's England, where the straw covered dirt floors of commoners houses, horse stables etc were the source of saltpetre for gunpowder.
This resource belonged to the monarch, and was collected by saltpetre men, often in a destructive or disruptive manner.
https://reviews.history.ac.uk/review/1481

307
Citrus General Discussion / Re: Urea Spray
« on: December 16, 2021, 03:57:49 PM »
Personally, I don't think there are health concerns using urine for plants. It is essentially sterile.
It has emergency medical uses, with mid stream urine, i.e. suburn, as urea itself is skin moisturising.
As Galatians said, the N Urea content of Urine is far lower than Fertiliser urea, so it can't be used to make the equivalent concentration sprays.
That said, fertiliser Urea has a lot of problems with loss of N to the atmosphere, so often the effective ammount the plants can get is lower than that applied.
Not sure if more frequent low % urine sprays will give the boost of the the N fertiliser Urea spray.
Biuret is produced by heating Urea in the manufacturing process, so shouldn't be a problem in Urine.
I have used diluted urine to feed weak plants or very small seedlings that I didn't want to risk with stronger fertilisers.
Also had some Citron seedlings with what looked like Biuret problems from fertiliser in old potting mix.
It seemed to correct them, possibly by gently lowering the Biuret %  in the mix ??

308
Citrus General Discussion / Re: Urea Spray
« on: December 15, 2021, 04:51:12 AM »
would spraying with diluted urine serve the same purpose. ??

Just exactly what "equipment'' are you using ??

309
Citrus General Discussion / Re: Grafting citrons
« on: December 15, 2021, 04:49:19 AM »
According to UCR,
"Yuma ponderosa and Cuban Shaddock, are identical. However, the isozyme patterns differ."
So Its not A " Ponderosa" lemon.
Still Ponderosa is probably your best bet.
Can't see why Trifoliata wouldn't work either.
You are trying to save it, you can always graft onto something better down the track.
https://citrusvariety.ucr.edu/citrus/yuma_ponderosa.html

310
Citrus General Discussion / Re: Osmocote Plus is cheap on Amazon right now
« on: December 12, 2021, 03:31:17 PM »
The problem with micro plastics is the micro ones that you can't see, often from other sources.
I think you have to keep in mind the balance of the advantages of the slow release pills vs the negatives.
There are also effects of fertiliser run off to the environment, or loss of Nitrogen to the atmosphere which is wasteful of the manufacturing processes.
Slow release fertilisers can reduce this if used correctly.
Not saying the dead pills are not a problem.
There are other slow release fertiliser technologies, not all are coated products.

Composted chicken manure pellets, with added Zeolite are available in Australia.

311
I grabbed a leaf off my Oroblanco, and it looks very similar to your plant, can't see any major differences.

312
Pictures of your seedling would be useful, to compare with Sweetie / Oroblanco plants. At least it should be possible to tell if your plant looks pretty close, or is way off.

313
Cold Hardy Citrus / Re: Kumquat x Poncirus
« on: December 08, 2021, 03:26:39 PM »
The nice red color is inherited from Flying Dragon, normal Trifoliate and its hybrids have only yellow-orange autumn color.

Rootstock seedlings of the same strain of normal trifoliata are fairly variable as to autumn colour, and to some level when they change colour and how long they hold autumn colour. Weak seedlings, off types and runts can be clearly different in their colour and timing of change.
There are some oranges and reds possible, even verging on maroon.
Stressed or neglected trees, underfertilized etc can also turn colour earlier.

314
Cold Hardy Citrus / Re: Kumquat x Poncirus
« on: December 08, 2021, 05:42:32 AM »
The red foliage phase is rather nice.

315
Citrus General Discussion / Re: LLT lemon and LLT lime
« on: December 07, 2021, 03:38:46 PM »
Looks like an interesting project overall, Citrus and vegetables.

316
Citrus General Discussion / Re: Flamingo Red Pummelo..Seedless ??
« on: November 27, 2021, 08:49:19 PM »
Thanks Ilya11, That's a big error to make either way.  I see they say " Hanna"  is Tahitian X Chandler in both documents.
The Flamingo fruit have a good number of tiny empty seeds. 10 per segment ??
Taste is pleasant for an imported fruit, pink red type flavour, and no odd savoury pummelo flavours and texture is nice.
A smaller fruit is about $3.50, so not bad value.
"Never actually have seen Flamingo available in Europe."
Interesting that they are exported to Australia, that grows Pummelo, but not Europe ??
Pummelo might be out of season here in NT or N QLD ?? Or it's to do with the CHRISTMAS fruit season in Australia.

317
Citrus General Discussion / Flamingo Red Pummelo..Seedless ??
« on: November 26, 2021, 05:56:39 AM »
"Flamingo" Red Pomelo is a hybrid of the 'Chandler' pomelo with a hybrid of a Shamouti orange and a clementine.  This pomelo variety ripens in the period from October to December and unlike other varieties it maintains its red color when the temperature drops. The pomelo is sweet (14% sugar) and seedless and its special feature is the presence of lycopene.

Anyone know if these are completely seedless or just "seedless" ??  Just found some fruit for sale.

318
Would root development still continue during the winter especially when the low is 53?

Root development is more than likely less than at other times, but a low of 53 F ( about 11'c ?? ) is periodic where you are ? Its not the usual day temp ??
The temp inside the wrapping around the marcott root ball may not get that low, or get back higher thru the day. Other factors like sun exposure, wind chill, rain or irrigation, may also raise or lower the temp ?? The colour of the wrapping ( black ) may also raise the temp to induce root activity.
Yes you may be better off at other times as suggested, but the winter low temp may not be a good measure of the temperature inside of a marcott, or plastic pot etc. over the entire day or month ??

319
The other main factor is the size or volume of the pot, and the volume of application of the liquid fertilizer per pot.
ie 500 ml per pot of the liquid fertiliser mix (at 1/2 tsp per gal per watering).
assuming 1/2 tsp is 2.85 grams of fert powder.
Thinking that you water/fertilize  weekly on average, ( It's probably more ?? )
with a 25 N fertiliser, you should be getting good growth ??
Unless you have winter heating, you may want to lower the fertiliser application in winter if the plants aren't too active.
As you probably water less frequently in winter without heat, the applications are reduced anyway.
How long have you been applying this fertilizer regime, and how do you like the results ??

320
Citrus General Discussion / Re: An identification request for CitrusPages.
« on: November 05, 2021, 05:15:16 PM »
I just got seeds of them...   ::)

Can you post an image of the seed ??
Citron seeds are fairly distinct, and Pummelo seeds are fairly distinct so it may give some clues.

321
Citrus General Discussion / Re: An identification request for CitrusPages.
« on: November 04, 2021, 04:45:21 PM »
"They just called it "buoi"

In my experience it is hard to ask a native speaker about Citrus, as peoples knowledge varies so greatly, especially for more rare types.

It's my guess its possibly a Citron Pommelo hybrid ??
An image of the seeds would be helpful.

322
Citrus General Discussion / Re: An identification request for CitrusPages.
« on: November 02, 2021, 03:44:25 PM »
Any idea what the name is in Vietnamese ??

323
Granite should be ok. It is ok for Aquariums also, which should be an extra indication of suitability.
It is inert, but unlike clay particles, perlite etc, doesn't absorb water. That could either be an advantage or disadvantage, depending on requirements.
Because of its density, it is not prone to float onto the surface like some other light components.
Very fine milled granite is a source of K, potassium in organic farming. Silica is also present, which is a mineral often ignored in fertiliser applications.

324
Citrus General Discussion / Re: Citrus hystrix/Makrut vs Biasong vs Samuyao
« on: November 01, 2021, 07:40:51 PM »
It is hard to say from that result. Obviously it doesn't give 100% thornless seedlings. Maybe if you grew more, it might throw a % of thornless seedlings.
Ether way you can propagate the thornless trait by grafting.

325
Citrus General Discussion / Re: Is this a rough lemon?
« on: October 30, 2021, 05:28:35 PM »
Looking at the images, it also looks a bit like Alemow or Colo, Citrus macrophylla.
https://idtools.org/id/citrus/citrusid/factsheet.php?name=Alemow

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