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Messages - jcaldeira

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501
Tropical Fruit Discussion / Re: Would these make decent fruit bags?
« on: April 22, 2013, 06:57:12 PM »
Drainage would be good with cloth bags, but soil water would evaporate more quickly than in plastic bags, resulting in less soil moisture.  Also, plastic bags are constructed with pleats that allow them to lay upright, whereas the cloth bags in the link do not.  They would rot quickly in some environments.  Rather expensive too.

EDIT:   Ha!  I thought you meant planting bags, not bags to cover fruit!  I get it now.  -John

502
Tropical Fruit Discussion / Re: FGM: Fairchild Fest photos 4/20
« on: April 21, 2013, 01:41:45 AM »
Great photos.  You are fortunate to be near a resource such as that.  Thanks for sharing.

503
Tropical Fruit Discussion / Re: Mamey sapote from seed or by grafting?
« on: April 17, 2013, 11:32:59 AM »
I can't  answer your question from personal experience, but this web page has some good information on varieties and propagation methods:

http://www.hort.purdue.edu/newcrop/morton/sapote_ars.html

504
Oscar, you're right that it's not much shade right now.  I could put coconut fronds on top if I needed more shade immediately.

I'll update in a few months when the vines are all over the top.

John

505
I use wood lattice and vines to shade one of my shadehouses.  After a cyclone tore up the shadecloth, I rebuilt one of my two shadehouses with the lattice.  The vines have not yet covered the top, but passionfruit, black pepper, granadilla and cucumber are starting to climb now.

The lattice is not as good as shadecloth at breaking up big raindrops during big storms, and it provides less shade that the cloth (until the vines grow overhead).  I'm using it mostly to harden-off plants before planting.





506
Tropical Fruit Discussion / Re: Best Fruits for a School Yard
« on: April 06, 2013, 11:30:35 PM »
Thanks for all the suggestions.  I'll be buying seeds for some of the kiddie fruits suggested that I don't already have.  I know this will be a big success at the school.

John

507
Tropical Fruit Discussion / Re: Best Fruits for a School Yard
« on: April 06, 2013, 04:04:33 AM »
Are the kids going to get hurt climbing the trees? This is why fruit trees are now not planted here in municipal spaces or schoolyards. Fear of lawsuits......even from the kid getting ill from eating the fruit

Not a problem in Fiji.  These kids grow up climbing trees.

508
Tropical Fruit Discussion / Best Fruits for a School Yard
« on: April 06, 2013, 01:05:08 AM »
A U.S. Peace Corps volunteer friend here in Fiji wants to plant fruiting trees and vines in a school yard so the students can eat more healthier fruits instead of the salty, fried snacks and sugary drinks that are sold nearby.  He asked me for recommendations on which fruit to grow, and I'd appreciate your suggestions.  The climate is lowland tropical with wet and semi-dry seasons.

My first thinking is to concentrate on fruits that have a good dessert and/or thirst-quenching quality.  If they can be eaten out of hand it would be a big plus.   A short number of years to fruiting and minimal care required would also be a plus.   Sugar Apple and Mango come to mind. Guava and Purple Passionfruit too.  Soursop and Jackfruit would be good, even though a tool is normally to open them.    What is your thinking?

John

509
Tropical Fruit Discussion / Re: sugar cane
« on: March 27, 2013, 12:59:55 AM »
Almost all the cane sold in farmers' markets is soft cane, suitable for eating out of hand.  The two most common varieties have a purple or varigated colored bark.  Yellow/green cane is usually for commercial sugar production. 

I recommend buying the cane at a farmers' market, trying some and planting the rest if you like it.

510
Tropical Fruit Discussion / Re: Epicotyl Grafting...Update.
« on: March 09, 2013, 05:56:54 PM »
If the rootstock is approximately the same diameter as the scion you'll be grafting, then it's a great time to graft. 

If your seedling is not yet thick enough for the scion, and still in a pot or bag, I recommend planting in its permanent location now and graft in the field when it's ready.  Avocados left in the bag too long seem to grow slowly in the field, presumeably due to absence of a good taproot and/or exhausted nutrition from the seed.

John
hmm,  havent seen or heard of issues with graft take percentages here by using rootstocks that are in pots.  Everybody I know does it with rootstocks still in pots.  I have seen the take percentage  go down a little as the rootstock get older...

Bsbullie, I haven't heard of issues with graft take percentages using rootstocks that are in pots either.   My point is that avocados left in bags too long will grow very slowly in the field, compared to the same age seedlings planted early in the field.  So if the diameter of the seedling isn't big enough to graft when young, best to get it in the ground and graft later.  The same is probably true with any fruit tree with a strong taproot.

Last year I planted approximately 40 avocado grafts.   One-third of these were in bags for 6 months because I couldn't get scion wood.  These gew much slower than the grafts put in the ground when very young.

I prefer to graft mangos in the field too, because the polyembryonic mango rootstock shoots are too thin to  graft until they are 6-9 months old.

John

511
Tropical Fruit Discussion / Re: Epicotyl Grafting...Update.
« on: March 09, 2013, 04:53:14 AM »
If the rootstock is approximately the same diameter as the scion you'll be grafting, then it's a great time to graft. 

If your seedling is not yet thick enough for the scion, and still in a pot or bag, I recommend planting in its permanent location now and graft in the field when it's ready.  Avocados left in the bag too long seem to grow slowly in the field, presumeably due to absence of a good taproot and/or exhausted nutrition from the seed.

John

512
Tropical Fruit Discussion / Re: Purple Star Apple (Caimito)
« on: February 03, 2013, 12:50:56 AM »
Very nice.  First bloom?  How old is your star apple tree?

513
Tropical Fruit Discussion / Re: What to grow in tropical wet/dry climate?
« on: February 02, 2013, 04:35:19 PM »
Thanks for all the suggestions.    I'll research which seeds are available for delivery during the March timeframe.  Others will have to wait.   

Does anyone know a source of durian seeds (or fruit) in the U.S.?

John
PS:  What I called 'Custard Apple' on my list is really sugar apple  in U.S. terminology.  Is 'Rainforest Plum' teh same as 'Davidson's Plum'?

514
Tropical Fruit Discussion / Re: Forum advantages
« on: February 02, 2013, 01:05:34 AM »
I really enjoy this forum ;)

Me too.  You are very fortunate to be able to meet other fruit growing enthusiasts face-to-face.  Ditto to those members who have access to local talks on tropical fruit growing.

I look forward to the day someone from this forum writes me that they are visiting Fiji.   
Thanks for sharing,

John

515
Tropical Fruit Discussion / What to grow in tropical wet/dry climate?
« on: February 01, 2013, 10:56:26 PM »
I need help deciding the most appropriate fruit to grow on my hobby farm. I want to focus on fruits that would be well-adapted to my climate and also be tasty.  The 'top fruits' poll on this forum was helpful, but I'd appreciate more suggestions. 

First, a little about the growing environment:
The farm is tropical (18 degrees south) and in an intermediate rainfall area (wet season and dry season).   Droughts in the dry season rarely last more than a month.  Soil is mostly clay/loam, hilly but with some bottom land with a shallow water table.  It is low elevation (seaside) but prevailing winds come from inland at this location so no significant salt  in the air or soil.

     

The fruit growing is mainly for my own enjoyment.  However, it is also possible that some day the land might be subdivided for residential so I've planted a lot of citrus, mango and avocado, since those are staples here and I know I can sell the fruit.  I think it's too tropical for lychee and cherimoya.

In a few weeks, I will be visiting the U.S. and want to bring fruit seeds back to Fiji.  I'll be searching the Asian and Hispanic markets around Dallas, Texas, and also plan to mail order seeds.  Unfortunately, I can't bring green wood back to Fiji due to biosecurity concerns.   I have almost everything available here in Fiji.

I've only had the farm for a year and half, so not much is fruiting.   Here's what's on the farm now:

Abiu  6
African Pride (Custard apple) 1
Avocado (Local) 44
Banana – Big  18
Banana – Lady's Finger  1
Black Sapote 1
Brazilian Cherry 2
Breadfruit 3
Bullocks Heart (American Custard apple) 2
Cashew  3
Cinnamon  6
Citrus – Cleopatra Mandarin   12
Citrus – Cutter Valencia  2
Citrus – Dancy Tangerine  2
Citrus – Grapefruit Ruby Red 6
Citrus – Harvey Lemon  2
Citrus – Kumquat (round) 1
Citrus – Late Valencia 24
Citrus – Lee Mandarin  2
Citrus – Meyer Lemon  50
Citrus – Seedless Lime  37
Citrus – Lisbon Lemon  2
Citrus – Miniola Tangelo  11
Citrus – Olinda Valencia  12
Citrus – Orlando Tangelo  2
Citrus – Page Mandarin  2
Citrus – Rough Lemon  5
Citrus – Satsuma Mandarin  9
Citrus – Fiji/Unknown Mandarin  23
Citrus – Washington Navel  18
Citrus – West Indian Lime  2
Cocoa 8
Coconut – Dwarf 10
Coconut – Tall  50
Coffee 5
Curry Tree  3
Custard Apple (US Sugar Apple) 9
Davidson Plum  2
Dawa (Fijian Longan)  2
Dragon Fruit (White interior)  2
Fig  2
Ginger 2
Granadilla  4
Guava (3 types)  6
Ivi  2
Jackfruit  3
Jacoticaba  4
Jamun – white 1
Jamun – back 2
Kavika (Rose apple) 6
Langsat  1
Lemon Grass  2
Lychee  3
Macadamia  2
Mamey Sapote  1
Mango (2 varieites) 80
Mangosteen  7
Miracle Fruit 1
Mulberry  4
Neem 2
Noni  3
Nutmeg 4
Papaya (Hawaiian & local)  19
Passionfruit (yellow and purple) 19
Pepper, black 4
Pineapple (2 varieities) 30
Plantain 4
Pomegranate  2
Rambutan  4
Sandalwood  4
Sapodilla  4
Soursop  8
Star Apple  4
Starfruit (Carambola)  5
Sugar Cane (purple) 2
Tamarind  2
Tarawau  2
Tavola   2
Turmeric 2
Vanilla    2
Vutu     3
Wi  2
Yaqona (Kava) 2

What else would be good to grow?

Thanks,  John

516
Tropical Fruit Discussion / Re: Companion Fruit Trees?
« on: January 31, 2013, 10:17:31 PM »
I find sapodilla to be very wind resistant. I have some planted on my windbreak.

I meant soursop. 

John

517
Tropical Fruit Discussion / Re: Companion Fruit Trees?
« on: January 31, 2013, 03:12:20 PM »
I use companion planting mostly to provide shade and wind protection.  Under coconut and native trees, I have cocoa, coffee, vanilla and a few other shade-loving plants.  Trees such as jackfruit that are more wind-resistant are planted upwind to provide protection to sapodilla, star apple, starfruit and others that suffer from strong tradewinds.

John

518
I know it can take several weeks or months for a graft that has sucessfully healed to push new growth.  What are some actually proven methods to accelerate bud push in healed grafts?  I currently increase sunlight, cut back rootstock (when not clefted), and introduce a small amount of 20-20-20  (six to eight weeks after initial proceedure).. I have seen results from using those, but I am wondering if its just a placebo effect??

Any one have any suggestions?

To accelerate growth in grafts, I try to have both the rootstock and scion in a "growth mode" BEFORE grafting.  It seems many species alternate betwen periods of dormancy and growth flushes.  My most successful grafts (mostly citrus and avocado; cleft grafts) in terms of speed of acceptance, healing and growth, are achieved after I've fertilized the seedling rootstocks and graft 3-7 days after a good rain.  The rain after a slight drought tends to promote growth in both the scion trees and rootstocks, and then also in the grafted plant.

John

519
Tropical Fruit Discussion / Re: Best Tropical Fruit Books
« on: January 13, 2013, 06:14:44 PM »
I'd appreciate your recommendations for books describing the cultivation of tropical fruits, especially books on mango, citrus and avocado. I'll be putting together an Amazon book order soon.  :)

Julia Morton's 'Fruits of Warm Climates' and Paull's  'Tropical Fruits (Crop Production Science in Horticulture)' volumes 1 & 2 are books I'm seriously considering, so  comments on these books would especially be appreciated.

So far, my favorite general books are 'Florida's Best Fruiting Plants' by Boning, and 'Specialty Crops for Pacific Islands' by Elevitch.  Also like 'Citrus Growing in Florida' by Davies and Jackson.

520
Tropical Fruit Discussion / Re: When to water & when not
« on: January 06, 2013, 11:56:53 PM »
I have found the factsheet and the linked modules on the following website to be valuable in understanding when to water (and how to improve soils):

http://soilwater.com.au/bettersoils/fact_sheets/fs_8.htm

John

522
. . . , Thais are not at all into experimenting with South American or other exotic fruits. They don't even have a rare fruit group??? They could easily be growing excellent fruits like mamey sapote, jaboticaba, grumichama, white sapote, achachairu, etc, but you don't ever see them around here. . . .

The Thais are not alone.  I haven't found any mamey sapote, jaboticaba, grumichama, white sapote, achachairu, etc., here in Fiji either.  I'm changing some of that, but planting material is hard to acquire legally.  I would really like to get some durian growing, but I hear the seeds don't keep long.

Related to the original post, I have some cherimoya seedlings that I plan to plant on a friends farm in the interior at 800 meters elevation.  It's get's sweat-suit or jacket chilly there; maybe 55F night low and 75F day in the winter).  I'm doing the same with lychee, and hoping for the best.

John

523
Tropical Fruit Discussion / Re: Black sugarcane
« on: December 23, 2012, 12:52:51 AM »
I picked up some of that fiji black sugar cane yesterday as a large clump from a friend. Its great stuff, should grow pretty well where i am.

I'm curious to learn what internode lengths you get on your cane.  During the last dry season I didn't water and most of my cane has shorter internode lengths than the parent stock I planted.  I'm only speculating that it was the lack of water that caused the short internode lengths.  Next season I'm planning to water some of it to see if that helps the length.

John

524
Tropical Fruit Discussion / Re: Canarian 12.2012 update
« on: December 21, 2012, 01:39:23 AM »
Felipe,

Very nice fruit farm! 

Where do you get most of your planting material?

John

525
Tropical Fruit Discussion / Re: 9 lb sour sop?
« on: December 19, 2012, 12:15:18 AM »
I regularly see soursops the size of the one in the Ebay ad.  Nothing special. 

John

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