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Topics - lebmung

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Cold Hardy Citrus / Rootstock id
« on: July 03, 2019, 06:26:21 PM »
I have this rootstock on one yuzu, it was supposed to be pt.
I wonder what it is. Suspect Citrus macrophylla.
Any help you would be appreciated.

Tropical Fruit Discussion / Mango Falan or Mango Thunder
« on: July 02, 2019, 08:20:00 AM »
Anyone growing Mango Falan or Mango Thunder?
This is a green mango. I have two small grafted trees with fruits. This mango cracks after too much water.
Seedlings start to bear fruits after 2 years and they are dwarf in nature. I will look into using them as a rootstock for pots.

Tropical Fruit Discussion / Dragon fruit cuttings
« on: June 18, 2019, 10:45:16 AM »
I got some dragon fruit cuttings for 2 weeks in potting soil but they didn't show any roots so far.
At the top of the cutting aerial roots came thru. Should I cut them?

Citrus Buy, Sell, & Trade / Ichang papeda (EU only)
« on: June 18, 2019, 07:58:57 AM »
I have 2 rooted Ichang papeda for sale only to EU.
10 each + shipping.
The origin of the plant is northern Thailand/Laos. Very hardy,  but I didn't test it to sub zero C temperatures.

Citrus General Discussion / PT seedlings growth rate
« on: May 30, 2019, 06:03:44 AM »
Anyone with comparative experience of PT seedlings growing in pots in a greenhouse or outside in soil.
Which way would they grow faster?  Limited soil in pots but a warmer and more humid climate or outside deep root, direct sun. Water and fertiliser the same for both.

I am looking for fresh seeds of Passiflora incarnata, I know they are not done yet.

Citrus General Discussion / Micropropagation
« on: May 20, 2019, 01:05:17 PM »
Anyone with experience micropropagating citrus?
I am thinking to start some tests soon. My question is a cloned plant, does it have a juvenile stage?

Citrus General Discussion / Mango dwarfing to citrus
« on: May 08, 2019, 10:17:35 AM »
As some of you are familiar with the Japanese dwarfing methods for mango, where they grow horizontally less then 1.5m, could this be applied to citrus, forcing a high productivity in a small place in a greenhouse?

Tropical Fruit Buy, Sell & Trade / Mango scions exchange Europe.
« on: May 04, 2019, 08:18:34 AM »
Any growers from Europe who want to exchange mango scions?
I have rare mango trees from Thailand : Nam Doc Mai, Choc-anoc (miracle mango, flowers 3 times per year) and green mangoes which are also dwarf Falan and Kieow Savoy, those two are disease resistant and more cold tolerant. I also have Osteen.

Cold Hardy Citrus / Citrus tachibana
« on: March 16, 2019, 06:08:26 PM »
Anyone growing Citrus tachibana?
According to Swingle it is strongly resistant to frost and snow.
Unfit for eating?

Citrus General Discussion / Best roostock for potted citrus
« on: March 14, 2019, 05:32:06 AM »
What is the best rootstock for potted citrus.
The soil would be peat/coconut fiber/clay rock/perlite 6-6.5 pH.
Tap water with chlorine 20ppm, medium hard 6.9dH  'German degrees'
Summer temperature 25-35C (77-95), winter 5-10C (41-50 F)
Final pot 50L (13gallon)

Poncirus trifoliate would be the first candidate. What I don't like about it, it's a slow grower and makes little fruits.

Citrus General Discussion / Grafting with micropore
« on: March 10, 2019, 08:30:23 AM »
Has anyone tried to graft citrus with micropore tape?
Not to warp the union, but the upper part.
Most of my scions tend to get mold inside in the upper part, so I am looking for a material that breaths. Parafilm would be okay I guess.
3m micropore is a breathable material, bacteria can't go inside, and the glue is not so sticky. It's been succeful in tissue culture.

Tropical Fruit Buy, Sell & Trade / Mango scion exchange ( only Europe)
« on: February 04, 2019, 05:57:52 PM »
I want to add more Mango varieties to my collection, so if someone is interested in exchanging scions in Europe only.
I have the following Thai mangoes:
*Chok-anoc - produces two times a year
*Nam Doc Mai - good taste
*Kieow savoy- very resistant, used as a rootstock in Thailand
*Falan - used as green vegetable

Also had a large Osteen who recently died back. Now I have only a small grafted saved.

Tropical Fruit Discussion / Mango dieback indoors
« on: February 04, 2019, 02:17:15 PM »
I have a problem with some mango varieties that they die back during the winter. I wonder what is the cause.
Watering is some when soil gets dry and the soil mix is optimal for drainage and aeration.
Plants flowered then died. Only the grafted top dies.
They were sprayed with fungicide in autumn.
Also made a drench with phosphonate.

I wonder what triggers the sudden death. Plants get dry fast and die in a couple of days.

Citrus General Discussion / Seedless lime deficiency
« on: November 07, 2018, 06:05:28 AM »
I have this seedless lime (a type of Tahiti lime, even though the fruit and taste is a little bit different, more aromatic), variety unknown of Thai origin. It has been airlayered, so no rootstock.
It shows a deficiency, even though I spray with micronutrients on the older leaves still persists.
Any thoughts?

Citrus General Discussion / Fast flowering in citrus seedlings
« on: October 31, 2018, 07:18:42 PM »
Does anyone use a Japanese method to promote flowering from seedlings in less than two years?
There are techniques used also in Israel borrowed from Japan, but they seem to be secret somehow.

Citrus General Discussion / Oroblanco
« on: October 31, 2018, 04:46:36 PM »
I bought an Oroblanco (Sweetie) fruit from store (origin Israel) and to my surprise I found a seed. Now it's supposed to be seedless, maybe some bee pollinated with another citrus.
Anyway I planted in the incubator and after a week a seedling came out.
I know grapefruit and pomelo, the parents, take 8-15 years, or never if the seed was sterile.
Did anyone try it before?

Citrus General Discussion / Citrus tristeza virus test
« on: October 16, 2018, 12:03:22 PM »
Has anyone used these Citrus tristeza virus on site tests? It's handy when you get a new citrus tree.

Citrus General Discussion / Rootstock id
« on: October 12, 2018, 08:26:45 PM »
Anyone might know what this root stock is? I got it from Thailand where they graft on it. It grows very well, no iron deficiency symptoms @ ph 7. Drought tolerat.
From my opinion it could be a peptada.

Tropical Vegetables and Other Edibles / Giant bitter melon
« on: September 14, 2018, 07:23:18 AM »
Somehow the bitter melon reached 1.1 kg (2.4 lb), a new hybrid.

Citrus General Discussion / finger lime
« on: September 06, 2018, 08:51:39 AM »
This summer I made several experiments to induce early flowering in finger lime.
It seems like water stress and a solution of 1000 ppm KNO3 applied in the morning induces flowering in about 10 days during hot summer days, for a very young tree.

Tropical Fruit Discussion / Zingiberaceae
« on: September 03, 2018, 07:54:40 AM »
Anyone expert in Zingiberaceae.
I want to ID this plant from SE Asia and I have some hard time.

Tropical Fruit Discussion / Red pineapple
« on: August 22, 2018, 05:42:28 PM »
Why is the pineapple red? At the beginning the leaves were green and after a while turned red. Is this a variety? I picked up the slips in southern Thailand.

I have some extra Babaco cuttings for sale, now that the fruting time is over. They are very productive, I harvested 5-6 kg per plant, so many fruits from 4 plants that I gave around everybody.

1 cutting 20cm costs 15 euro. I will include free rooting hormone. Shipping depends on method EMS around 22 euro and small air packet around 10 euro. It depends on the country.

There is a company in Japan, D&T Farm who has engendered cold-resistant potted banana, papaya and guava. The DNA was manipulated after freeze/thaw cycles.
They will soon sell those plants, and the price tag is a little bit prohibitive $US 500.
They sell one banana already for $6.

Anyone from Japan planning to grow those?

Here is the company:

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