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Messages - Tropicaltoba

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1
I have elho plastic pots which Iíve been using for 7 years which are super durable and havenít shown any hint of even cracking. On the last I even have them out in full
Sun all summer, there isnít even any discolouration. They are a little pricey but they last.

2
Tropical Fruit Discussion / Re: Help with my dwarf carambola
« on: December 10, 2023, 12:19:18 PM »
On a cloudy day with my double glazed glass I measure about 200umol, so during a cloudy winter day with the 200umol supplemental lights my plants are getting about the same intensity of light as yours but for shorter days. On a sunny day my umol are 1300 but days are as low as 6hr (co2 levels 600-1200). My fwang tung (first pic) often drops most of its leaves, while my sir kemgangan looks healither. Hope this helps.




3
Tropical Fruit Discussion / Re: Help with my dwarf carambola
« on: December 10, 2023, 10:42:16 AM »
Do you know what your ppfd is in your tent? In my northern gh (same temp and rh as your tent) with 12h of 200umol supplemental light my carambola looks rather unhealthy when it starts to drop its leaves in winter. I donít think they have an issue with rot in pots as I keep mine pretty wet when I fertigate them weekly.

Perhaps it just needs outdoor summer sun to look its best.

4
Hey all, fyi for all those container people. I hard purchased these xtra large adjustable plant caddies off Amazon 3 y ago. Seemed strong but must have weakened over time possibly due to sun. The big issue was that with the large wheels it sits quite high off the ground and when one of the sides collapsed the momentum of the 35gallon pot would have caused the whole thing to flip right over if it didnít happen before my eyes.





5
Tropical Fruit Discussion / Re: Pink crystal guava
« on: December 06, 2023, 05:13:45 PM »
I had a seedless guava tree with round, thick leaves. Good looking tree, large beautiful buds/flowers. Every single one dropped. Never gave me any fruit either. Had it for 3 years.

WellÖ..I guess they werenít technically wrong about the seedless thing then. Perhaps fruitless would be more honest.

6
How about 50 service birds?

7
I guess this means that banana fruit production is based off stored energy?

8
Tropical Fruit Discussion / Re: Compost Fertilizer?
« on: December 04, 2023, 12:03:46 PM »
Pneuma, look up krausening. I havenít bought bran for 4 years. Itís  a beer technique where u use old yeast to inoculate fresh wort. I do the same thing with bokashi. Works best for fruit waste and the lactobacillus chew up the sugars. If u bokashi meat waste youíll need to add sugar. I often add chocholate milk that is near expiring. I also use buckets with the screw lid, works great. I find the solid dry bokashi waste much easier to break down in my worm bins after I have let it sit for about 1 year. I also add it to my potting mixes, just make sure itís buried as flys love it.

9
Do you think I could just cut the bottom 2Ē of flesh off (while leaving the spine) then add 2Ē of top dressing (my pot is only 1/2 full).

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Tropical Fruit Discussion / Re: Compost Fertilizer?
« on: December 03, 2023, 09:44:34 PM »
I use composed food scraps for all my containerized plants. Iím not sure if it would work for seedlings. I am relying on the microbes/insects and fungi to break down my solid and liquid feeds and I donít think a little pot would work. Also you need to be careful about concentration and ph of your liquid feeds with seedlings. For stuff in the ground I donít think u have to wait about any of these things. You can go get your composts analyzed to find out whatís in them to see if anything is missing.

This next part gets a bit weird and if you donít like things that smell bad I would stop reading. Iíve got a pretty good system now, but I have made many error in the past that resulted in purtrid smells and fly infestations that have almost got me kicked out of the house.

For my big plants in containers I have 3 feeding options which use in different settings. Old leaves and coffee grounds are vermicomposted and the liquid run off is then used as a general feed or combined with a bokashi leachate (itís basically gross kombucha) if I need a feed that is richer (acute flushing or fruiting) or needs a lower ph (soapberry family). For the bokashi I basically ferment fruit waste for potassium and meat scraps for nitrogen. I have separate bins in my house for each of these, and then shred them up and have them break down over time in buckets.

11
K,have u seen dragon fruit rot? I assume thereís no saving once it happens. Btw  how many fruit do you get off a 25 gallon? I got 6 last year off a 5 gallon pot.

12
Hey everyone, I have yellow dragon fruit doing well in a container but itís hard to ďpot upĒ due to the fact that I have a support post bolted to the plastic pot. Do you think I can add a heavy top dress to the pot instead of potting up? I wasnít sure if root rot is an issue with all the adventitious roots they put out. Does anyone have experience with this?

13
Tropical Fruit Discussion / Re: Kwai Mai Pink Lychee in canada
« on: December 03, 2023, 03:08:59 PM »
Perhaps itís just me but I find lychees difficult to grow in containers, even if the temperature is not an issue. In my limited experience I think rambutan may be healthiest soapberry to grow in containers (but can not go below 10c). If you want some exotic fruit thatís cold tolerant and easier to fruit in a container Iíd go with a grafted loquat. I think they can handle -10c, although I never let mine get that cold. Tropic of Canada has grafted cultivars and will deliver them to your house.

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Tropical Fruit Discussion / Re: Help: black scale on jaboticaba
« on: November 27, 2023, 11:51:51 AM »
If these are outdoor then all you usually have to do is stop the ants from farming them with a barrier like tanglefoot at the base of tree (not ideal to put the tanglefoot right on the tree due to asthetics). Provided that you have a healthy ecosystem then wasps, ladybugs, lacewings and parasitic wasps will take care of them. Try to encourage local predatory bugs by planting native flowers and avoiding systemic insecticides.

All my scales and meat bugs get stripped of my infested plants if I take them out in the spring.

15
K, Iíve tried a couple of different things to fix the clogging. The hose end sprayer I have now does have a little filter on the intake, but itís surface area isnít enough. I tried prefiltering and that was too slow. Recently with my leachate containers I have a spigot about 2 inches from the bottom and I try not to disturb it so the solids settle to the bottom. That seems to work pretty well right now.

16
Carolyn, I usually just have a cold water line for watering. The water can get really cold in January (40F), but by then I am not having to water much and then would be just using the water from my dehumidifiers. The Venturi would be for the summer, Iíve realized over time that my containerized plants are both unwatered and underfed during the summer months. I think for optimum growth they need daily fertigation.

This fall Iíve been fertigating weekly with a cheap hose end sprayer whose maximum concentration is still more dilute than I like (tap water 110ppm, with the fertigation 200ppm max). But the growth has been remarkable even with it this dilute.

In the past I only used solid organics as a top dressing twice a year. A alfalfa/verimcompost in January (the alfalfa I supposed to break down over a year), and then a mix of composed fruit peels and vermicompost (potassium rich) in may. I was treating them like in growing plants cause there isnít much info on containerized culture. All the composting people say the liquid byproducts of compost/vermicompost/bolashi should be thrown away.

The big issue with the solid organics was the fruit flies and fungus gnats, it was crazy. There are basically no flies anymore with the dilute fertigation cause all the chemical energy has been sucked out from the decomposition. The secondary benefit is that the plants are even more happy with the regular dilute feed. I think I should have been thinking about things as a hydroponic setup.

I get about 20 gallons a week of deionized water from a dessicant and compressor dehumidifier. The water is warm and usually plentiful enough when the tap water is just above freezing. Electricity is relatively cheap here (vast hydroelectric reserves).

I will let everyone know how it works out.

17
I actually just found a website that sells a bunch of different Venturi style injectors. They even have pressure and flow charts on their website. Assuming my hose is 50psi and by flow is about 12gallon/minute the rkv175 would give me a dilution of about 15:1. Itís only 40bucks so Iíll probably give it a try.

Has anyone used these before from this company?




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Tropical Fruit Discussion / Re: Are there dwarf loquats
« on: November 22, 2023, 08:35:13 AM »
Andrew, I grew loquat seedlings for 6 years in a 20 gallon pot before it finally flowered. I bought 2 1 gallon cultivars and grew them in a 2 gallon pot for 1 year before they flowered (forced flowering in spring) and them potted them up to a 10 gallon. This is the plant now 18 months after purchase.


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Hey all, so Iíve been fertigating (water and dilute fertillizer) my containerized plants with home made organic liquid fertillizer from a worm farm and bokashi composter. Itís working well and everything is super healthy. Iíve been trying to track down a hose end sprayer that had a dilution factor of 10. Does anyone have any suggestions.

20
Tropical Fruit Discussion / Re: First time trying cherapu
« on: November 11, 2023, 09:08:53 AM »
Mike, very interesting. What happens with the seeds in the female only plants? Also (best guess) how frequently will they be self fruitful?

21
I had my sugar apple grow fast and fruit (only 2-3 per year) within 2 years but it as looked progressively worse for the past 3.

22
Not sure if itís just me (all plants in containers) but after a couple of years my sugar apple has started to look terrible. If you are going to be able to protect them in the winter why not a soursop, they grow like crazy.

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Tropical Fruit Discussion / Re: For the love of concrete!!
« on: November 08, 2023, 06:48:55 PM »
Nate, I just thinks itís a cool concept, but you are right not suitable as building material as of yet. We need more people doing research in advanced materials for greenhouse design so that everyone can grow tropical fruit.

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Tropical Fruit Discussion / Re: For the love of concrete!!
« on: November 08, 2023, 04:45:23 PM »
Another neat idea is to use phase change materials (pcmís). Water barrels work like this, if the water were to freeze they release a huge amount of energy (100x what you can get from a concrete floor) they also use special salt solutions and waxes. You can really nerd out on this stuff, but you start to sound kinda weirdÖ and eventually people donít want to talk to you anymore, so then you just talk to your plants. Iíll shut up now.

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Tropical Fruit Discussion / Re: Soursop fruiting in container?
« on: November 07, 2023, 07:02:48 PM »
14 years!!! Iíve had mine for 5. 2Ē trunk diameter. It flowered a bunch last 2 years, no fruit set despite me obsessively collecting pollen. Perhaps I should use this for kindling like my jackfruit?

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