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Messages - Finca La Isla

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The living fence post tree can be a good idea. Itís easy to keep low and manage light shade. We do that as well as growing on concrete fence posts. Both have their advantages. Iím not interested in a larger tree as I want the dragon fruit to reach about 2m and then hang off the post and produce flowers and fruits within reach.

I donít like the color or seed for brasilensis either.

The top foto certainly looks like a garcinia.
We have another fruit here that looks similar to that that maybe is in the same genus. Posoqueria latifolia
The thing is that there are so many wild fruits that are of marginal value that only people who work locally in botany are likely to know the name.

I think that the fruit would be interesting chopped into a salad. It is sweet without the fiber of sugarcane. I think it started to produce after about 3 years. It could probably produce in a large pot.

Parrots and Oropendula, a type of oriole that comes in large groups.

Tropical Fruit Discussion / Re: Recommendations: Pruning tools
« on: August 05, 2022, 08:25:50 PM »
There are two ways to sharpen the Felco. You can disassemble it and sharpen the blade on a nice stone. The way that I do it is to use a steel sharpener sold by Corona. You pass the steel about 5 times on the beveled side then turn the blade over and get the flat side two times. Works really well.
I have 4  Felco hand pruners. Itís a great tool and I keep one in my car. But my two all purpose, everyday hand pruners are Japanese. Japanese know cutting tools. But I use the Felco too. What I havenít found any comparable quality to is the Silky saw. I havenít found any other pruning saw that I would pick up to use.
For loppers we use the US made Vaca.

We use both gas and battery chain saws. What worries me about the pole mounted chain saw is that occasionally the saw gets stuck in a branch and you have to work it out one way or another which is not such a challenge. But what if you canít reach it which is why youíre using the pole in the first place.

We have two kinds of guajilote, the candle and the cucumber. They grow easily. The one that makes the cucumber shaped fruit has been in production for 2-3 years and the fruits are a pleasant novelty. The other is still too small to produce.
It sounds like you are doing well with it although your climate is very different to mine. We get an average of 150Ē of well distributed rainfall here per year.

Tropical Fruit Discussion / Re: Not enough Durian Discussion
« on: August 02, 2022, 09:44:46 AM »
The idea of companion trees is interesting. There are a couple of important crops grown seriously in CR that obviously do better with companion trees. Coffee is generally grown with erithyrna. Cacao is grown with lots of different shade trees. Originally they just used forest trees but now itís common to see inga and other nitrogen fixers. In southern mexico the common name for gliricida is madre cacao.
But both cacao and coffee benefit from some shade through their whole lives where it seems that durian is a canopy tree or even emergent forest tree that, once mature, craves direct sun.
So in my groves the very young durian trees are dominated by the gliricidia within a short time the durian will dominate the site. Perhaps within 3-5 years the original gliricidia will have disappeared. But there are others around and there is lots of native forest on my farm in corridors. The forest supports the living soil but also brings the risk of large trees falling into the cultivated area. If they fall cleanly then itís a gift. If not, itís a costly trade off. But the trees grow well.

Tropical Fruit Discussion / Re: Calcium carbonate use for tropicals
« on: August 02, 2022, 09:26:57 AM »
I think south Florida is the exception. It seems that most tropical soils are very acidic and, depending on the specie, it is common to add C. My soil has a ph of 6.1 and I still add calcium in the case of avocados and durian, for instance.
I do consultations in other regions and I commonly find ph of 4.5-5.5. In this case the quantity of tropical trees that would do better with calcium applications is much greater. Thereís a lot of calcium applied in CR.

We still have lots of mangosteen here in Costa Rica.  But for Florida, I think you would do better with achachariu, Luc's, and lots of other mangosteen relatives than with g. hombriana, seashore.  I donít think thatís a commercial fruit anywhere.

Tropical Fruit Discussion / Re: Not enough Durian Discussion
« on: July 24, 2022, 09:47:57 AM »
Hereís a champedek being partially shaded by gliricidia.  The page wouldnít load another photo I have of a young durian with a post on either side more effectively shading the delicate tree.  These living posts are used very commonly for fences in CR. They are very useful and many farms make good use of them. I also use them to shade cacao. In southern Mexico theyíre called madre cacao.

In our area we are getting some very good quality fruit of of durian trees that are only 8 years old. Weíve had the fruits in Asia, even from 100 year old trees. Personally, I think there is some degree of hype about old trees. The thing about a place like Penang is that there is such a durian culture and SO many different select durians. We canít do that any time soon but I donít believe you canít get very good durian off of young trees. I would like to see a blind taste test!

Tropical Fruit Discussion / Re: Not enough Durian Discussion
« on: July 22, 2022, 05:34:59 PM »
Cassowary, we plant both grafted and seedling durian trees. The thing about the seedling trees is that not all those trees will produce good quality fruit. About 35 years ago hundreds of seedling durian trees were distributed by an NGO to farmers in my county. Some of those old trees produce decent fruit but a large portion have inferior quality.
I realize that planting seedlings is the only way to get better material and so we plant lots of them. But for somebody that is only going to plant a couple I recommend grafted in most cases and, in general, a mix of seedlings and grafted.

I have not seen any root rot here in durian. We see it in avocado frequently. I noticed that in Malaysia they use a commercial compost that doesnít have any manure since they figure that can lead to root rot. Our farm is organic so we rely on manure for nitrogen. We apply microorganisms every 2 weeks unless it is dry.

We stake the planting sites of new durian trees with glyrcydium posts that are actually kind of close, say, 50-60cm from the tree. These nitrogen fixers quickly make a shade that we adjust by pruning and use as a chop and drop.

Tropical Fruit Discussion / Re: Not enough Durian Discussion
« on: July 17, 2022, 07:31:37 PM »
Imagine paying to have a crew knock all the flowers off for 20 years and thenÖ the tree gets hit by lightning!
I can imagine those durian farmers in Bulik Palau having a good laugh about that.
Probably the first durians planted on Penang weíre planted on the flat land where it was easiest. Thereís plenty to see there though thereís more rice than durian on the flat for sure.
Thereís lots of reasons for planting durian on a slope.
They tolerate it well.
There may be less risk of root fungi which is a problem with durian.
The fallen fruits can be collected at a fence line below the trees, out of the impact zone!

Tropical Fruit Discussion / Re: Mango alongside Durian
« on: July 16, 2022, 06:38:40 PM »
Future, like Hawaii, Costa Rica has Šreas good enough for mangoes. CR is a commercial exporter of mostly Tommy.  Seasonally, Haden and lots of other, newer selections from Florida and locally are available.
But durians donít grow well in those areas.
I donít know that much about Thailand but I donít think Malaysia has anywhere to grow mangoes as good as the CR central and northern pacific areas. I think theyíre still too humid for Garyís preference but youíll have to ask him.
Iím Hawaii itís a much shorter distance between the wet and dry zones. One difference is that Iím only 9 degrees N instead of more than 20N

Tropical Fruit Discussion / Re: Mango alongside Durian
« on: July 15, 2022, 08:26:42 PM »
I should add that at Gary Zillsí farm near Orotina he has mangoes and durian together. Itís a stretch for the durian. The problem is that in that area there are very strong, dry winds in the dry season. Durian hates that. 50km south of there is just as hot and dry but no wind so if you can water you can almost duplicate what we have at our place. But the wind will dry the foliage out no matter the watering.
Jakfruit windbreaks, first class irrigation sort of makes it and there can be some production of durian.
But those guys are real good growers, you see others fail with less of a challenge.

Tropical Fruit Discussion / Re: Mango alongside Durian
« on: July 15, 2022, 08:19:04 PM »
Future, when I have spent time with Gary at his place in CR our mutual interests are pouterias, artocarpus, garcinias, and the more rare fruits that I grow and that Gary is really interested in. He had a mango project in Guanacaste and grows different mangoes around his two properties near Orotina. When in season he shares lots of different mangoes that to me are wonderful but he is demanding and critical. Itís fascinating his stories about mangoes but the individual varieties are many and we donít attempt to grow them so Iím not the person to really answer your question.

Tropical Fruit Discussion / Re: Mango alongside Durian
« on: July 14, 2022, 10:09:22 PM »
Hi Future
There should be durian in august here in the CaribeSur.
On the Pacific coast:
Gary Zill has produced some great mangoes in CR but I think he is frustrated that it is not better than it is.
Mango season starts around February corresponding to the dry season.  By May/June it is starting to rain and you get anthracnosis on the fruits.

Tropical Fruit Discussion / Re: Mango alongside Durian
« on: July 14, 2022, 09:24:52 AM »
I saw loaded mango trees and durian trees on the east coast of Costa Rica. I also saw mango trees growing right next to the beach, in pretty much beach sand. Never knew they would grow in salty sand like that. Pretty interesting.
I imagine that the loaded mango trees you saw near the beach on the Caribbean coast of Costa Rica weíre common mango. When I said that m. indica didnít grow well in our area I was referring to select mango varieties that only occasionally produce here. Small, stringy, good tasting mangoes will produce nicely in the same area as good durians.
Durians can be successful fairly close to the beach.

Tropical Fruit Discussion / Re: Mango alongside Durian
« on: July 13, 2022, 09:22:28 PM »
My area in CR is not dry enough for reliable m. indica production but we can get two harvests of durian per year like in some parts of Malaysia, not Penang though.
However, in the southern Pacific of CR there can be a good enough dry season for mangoes and durian can work as well.

Tropical Fruit Discussion / Re: Lucuma vs Canistel morphology.
« on: July 10, 2022, 09:47:09 PM »
I really donít see how this settles anything to do with lucuma and canistel.

Tropical Fruit Discussion / Re: Lucuma vs Canistel morphology.
« on: July 09, 2022, 09:10:46 PM »
The presentation of these fruit trees can really vary depending on conditions. You are much drier than my farm. Sometimes I go to another area if CR and itís hard to recognize the same clon!

Tropical Fruit Discussion / Re: Lucuma vs Canistel morphology.
« on: July 09, 2022, 12:46:54 PM »
This interests me as well. There is a Ďlowland lucumaí offered around here but I wonder a lot about this. I havenít seen any credible article on it and there is so much variation within canistel that, how do we know whatís what?

Tropical Fruit Discussion / Re: What happened to my chempedak?
« on: July 09, 2022, 12:42:50 PM »
Yes, most champedek seedlings fail but the photo shows a tree that has successfully passed that stage. What happens is, that for some reason, the seedling champedek does not transition well from being supported by the seed to being supported by its own root system. But as another post noted this happens early, weíll before the tree reaches the size in the photo. That attrition looks different than this with subsequent leaves being smaller with poor color.
As I have seen in Malaysia, champedek is grafted onto jakfruit. I actually prefer champejak as the seed is larger.

Tropical Fruit Discussion / Re: What happened to my chempedak?
« on: July 08, 2022, 11:31:49 AM »
Hard to say.  Seems that your tree got past an initial growth stage that can be dicey for seedling champedek.  The leaf color is very good.
If it was me I would remove some of that foliage and we apply EM type microorganism culture to the foliage and as a drench.
Iíve never seen 14c here but nothing so unusual about 20-21c.

Tropical Fruit Discussion / Re: Is this a jackfruit tree?
« on: July 05, 2022, 02:25:52 PM »
If itís a strangler fig then it wouldnít be growing out of soil.

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