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Messages - MarcV

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Citrus General Discussion / Dalandan orange?
« on: May 12, 2018, 11:03:43 AM »
I saw a soft drink today in the local super market that contains apple and a citrus fruit called "dalandan". I had never heard of a dalandan before and can't find much info about it. Based on one source it's some kind of citrus sinensis, another source states it's citrus aurantium and related to the valencia orange...?

Does anyone have more information on this variety?

The drink containing "dalandan" is more marketing than anything else. It is said to contain only 0.1% of it which is next to nothing...

Citrus General Discussion / Re: Citrus Growers Forum
« on: March 26, 2018, 01:46:43 PM »
Yes please.
Do you have my Email address?

I don't think I have it... unless it's the one on the citrus pages web site  :)

Citrus General Discussion / Re: Citrus Growers Forum
« on: March 25, 2018, 02:09:23 PM »
Thanks Sylvain, must have been an immense work!
If it is of any use to you, I have backups of some threads that I was particularly interested in that contain more recent posts, including pictures.

Threads including...
pigmented hybrids from italy
Citrus hybrids I never heard of

and the threads of my own collection.

Citrus General Discussion / Re: Cara Cara vs Tarocco ?
« on: March 25, 2018, 01:39:54 PM »
Tarocco is definitely worth planting. They have an unique and excellent taste that you won't find in any other (blood) orange. Comparing tarocco with moro is like comparing a washington navel with a valencia orange. One is more suitable for eating, the other one is better for juicing. And the taste is completely different. The tarocco is, as they say, the best eating orange you can find.

As for the cara cara - they are usually not available on the market here but we had them a couple of seasons ago. I had high expectations of the variety and was eager to try them, but to me they just tasted like any other navel orange. Which doesn't mean they were bad of course  :)

I'd say that it should at least be available to those of us who have contributed to it! :)

I would love to see it saved too. I can't think of any reason why Laaz would not allow it :)

Citrus General Discussion / Re: Finally, some ripe fruits
« on: November 25, 2017, 07:24:08 AM »
Those are some beautiful fruits! :)

Citrus General Discussion / Re: Lights????
« on: November 25, 2017, 07:11:59 AM »
I use Sylvania Grolux lamps as artificial lighting for my plants. They fit in an ordinary CFL armature but have a spectrum that is specifically tuned for plant growth, emitting mostly blue and red light. They appear pink to the eye when they are lit...

They should put the server owner in jail! :)

Citrus General Discussion / Re: Three New Citrus Varieties From Spain
« on: October 01, 2015, 02:50:03 AM »
MarcV  was the ortanique you tasted seedy?

I don't remember how seedy it was but there were seeds that I am growing now. I also bought a plant from the Oscar Tintori nursery in Italy. That plant is currently carrying several small fruitlets but my guess is they will drop off during the winter months...

Citrus General Discussion / Re: Three New Citrus Varieties From Spain
« on: September 30, 2015, 12:15:11 PM »
I tasted ortanique for the first time past winter season. It's like a mandarin with the size of an orange and has a great taste! I love it!

Citrus General Discussion / Re: Citruswall
« on: September 26, 2015, 01:53:58 PM »
Hi Grad,

Did you get any interesting fruits on your citrus this year?

Thanks again for the info! :)

Citrus General Discussion / MgSO4 or chelated magnesium?
« on: August 10, 2015, 08:04:03 AM »
While looking on the internet for chelated iron I also found chelated magnesium. I wonder how different this is compared to using epsom salts?

Thanks Millet. Apparently small details can make a difference.
Is Tween-20 some kind of soap? Would it be possible to obtain the same effect by adding some soap to the fertilizer solution without damaging the plant?

Thanks for the good advice! :)

Thanks for the reply. I do have a good liquid fertilizer for citrus with about the right NPK ratio but I'm still having issues with deficiencies, probably caused by the pH value of our tap water which is actually way too high (average 7.9 according to the data of the tap water company). This probably causes iron deficiencies. This liquid fertilizer can also be used for foliar application. Maybe I should do that! :) Never tried that before...

I just bought a osmocote type fertilizer for my citrus plants and I would like to hear the opinion of others about its composition...
I know the NPK ratio isn't optimal for citrus but finding a fertilizer with the right ratio is next to impossible... ::)

N-P-K : 17-9-11 + 2%MgO

0,01% boron
0,025% copper
0,22% iron
0,03% manganese
0,01% molybdenum
0,008% zinc

According to the instructions one should apply 40 to 50 grams of fertilizer per 10 litres of potting soil (don't know how much that is in non-metric... :-[), one application per season.

A comment I got on another forum is that there's too little magnesium. I have no idea how much magnesium citrus needs...

All input welcome! :)

Citrus General Discussion / Re: Ants nest in citrus plant container
« on: August 04, 2015, 12:07:12 PM »
It's a good thing we don't have fire ants here!  :D

This is the product I used:

Citrus General Discussion / Re: Ants nest in citrus plant container
« on: August 03, 2015, 12:11:12 PM »
I put an ant trap on top of the soil in the container and also one below the container. After 2 days I haven't seen anymore ants! :)

Citrus General Discussion / Re: Ants nest in citrus plant container
« on: July 21, 2015, 08:33:50 AM »
I could give that a try again then, and maybe let the water flow in slowly via the bottom of the container so the air inside the soil has the time to evacuate...

Citrus General Discussion / Re: Ants nest in citrus plant container
« on: July 21, 2015, 07:16:15 AM »
Hmmm yes that would help keep the ants out of the tree, but it will not destroy the nest that's inside the container...

Citrus General Discussion / Re: Ants nest in citrus plant container
« on: July 21, 2015, 03:53:46 AM »
I'm lucky then, the ants that live in the yards here are not agressive at all :). I just don't want to take them inside during the winter. If they're not gone by then the tree will have to stay outside and I'm pretty sure it will not survive...

Citrus General Discussion / Re: Ants nest in citrus plant container
« on: July 21, 2015, 03:26:42 AM »
Hi greenman,
Thanks for replying.

Aphids are currently not the problem.
The ants run around on the tree though. I'm not sure what they are doing up there.
But they also move in and out the container via the drain holes, so they have access to other sources of food.

Can you tell me what the function of diatomaceous earth is and where I might be able to find it?
And how should I apply boric acid? Is it without risk for the tree?

Citrus General Discussion / Ants nest in citrus plant container
« on: July 20, 2015, 12:25:54 PM »
I have a little problem with one of my citrus plants... the container it is growing in appears to be the home for an ants nest. I don't think the ants are a problem for the tree. They do cultivate some aphids when they are "in season" but other than that I think they leave the tree alone. The issue is that I have to take the tree inside during the winter season and I don't want to take the ants nest inside with it.
The ants nest was probably already there during last winter as I occasionally found an ant running around on the floor. I just didn't realize where it came from.
So I want to get rid of the nest. I already replaced the soil as much as possible last spring but that apparently didn't stop them. Last weekend I tried drowning the ants by completely submerging the container in water for an hour or so. They survived! There must have been some air bubbles left behind in the soil so they could keep breathing...
What else could I try? I don't want to poison the soil of the plant...
My next step will be to put an ant trap in the container. I'm just not sure these traps are really effective. If the ants aren't gone by the end of the season I will again try to get rid of them by replacing the soil, and this time also by rinsing the root ball with a water jet. Is the ants do return after that, I won't take the plant inside again. And that would really be a pity as it is one of my nicest growing citruses!

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