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Messages - HIfarm

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Tropical Fruit Discussion / Bellucia sp. pollination
« on: October 16, 2018, 09:23:37 PM »
If any of you have ordered Bellucia grossularioides from Jim West (or other Bellucia sp for that matter), it appears that they are self-incompatible so at least a couple need to be planted.  I will enter the link to the paper in the library section.

Tropical Fruit Discussion / Re: How good does Carambola taste?
« on: October 15, 2018, 12:10:04 PM »
As others have mentioned, most do not consider this a top tier fruit (I would certainly put it under the 3 fruits you mention).  There are better varieties as some have mentioned but some are pretty bad.  To me, most seem to have a vegetal component but in the better varieties, there is enough fruity flavor & sweetness to offset this and make them more interesting.  Not a bad fruit to clear your palate after breakfast, for example, but not many people would be saying "oh boy, starfruit!" when they see one.

Another strike against this fruit is that it can be harmful to those with impaired kidney function so, if you have any kidney issues best to eat this sparingly, if at all.


Tropical Fruit Discussion / Re: First Fruiting of Cola Nut (Cola acuminata)
« on: September 22, 2018, 01:53:17 AM »

Tried eating the Cola acuminata arils for first time. Not only palatable but kind of sweet. Have fresh seeds available now, if anyone is interesed PM me.

Thanks for the report.  Is there any flavor profile that they remind you of?  I had heard comparisons to peas & carrots for the arils of monkey colas.

Tropical Fruit Discussion / Corynocarpus cribbianus
« on: September 18, 2018, 03:50:36 PM »
Anyone know anything about this fruit?  It evidently occurs in Aus, PNG, & the Solomon Islands.  Since rare fruiters like Mike T do not seem to have mentioned this (couldn't find in google search), I am assuming it is not worth attention.


Whatís the taste like?  I tried to read about it online but thereís not much information. Iím definitely interested in seeds.

Info is definitely hard to find on line.  I found the following, which isn't very helpful, on line (I have put a link to the doc in the library section):
Eugenia casearioides (HBK.) DC. Prodr. 3: 275. 1828. Myrtus
casearioides HBK. Nov. Gen. & Sp. 6: 145 [folio ed. 115]. 1823. Type
locality, "in monte Cocollar Cumanensium," i.e. on the Orinoco.
Distinctive chiefly in having the branchlets rather long-pubescent
with spreading hairs up to 0.5-0.7 mm. long. The pedicels are
short and the flowers glomerate, i.e. the axis of the raceme is very
short. The species is known chiefly from northern Venezuela, and
from one locality in Colombia (Norte de Santander).

Tropical Fruit Discussion / Re: Registration of New Variety of Mango
« on: August 27, 2018, 03:52:42 PM »
I find myself really scratching my head over this string.  The original poster (N321), never mentioned patenting.  Maybe I misunderstood, but I did not get the impression he wanted to get rich off of this hypothetical mango, just wondered if there was a mechanism where it could be named at some central clearing house to avoid confusion with other mangoes.  Any sexually produced seed-grown plant is an individual clone and could conceivably be named and propagated (not saying this is always a good idea).  The notable thing about registration is that it ties a name to a seedling from a specific grower or hybridizer.  Otherwise, several people can give very different clones the same name and cause considerable confusion among growers.  A central registrar avoids this and sometimes doesn't even allow names that sound very similar to existing cultivars.

Tropical Fruit Discussion / Re: Registration of New Variety of Mango
« on: August 27, 2018, 01:59:20 AM »
Registrations & patents are two very different things.  I am sure that the US Patent office is not registering fruit tree cultivars.  Registering a cultivar with the appropriate organization generally does not grant you any type of protection like a patent does.  It only registers the clonal name, the parents (if known), and the person who bred (or perhaps found?) the cultivar.  I am not sure if there is an actual registrar of mango cultivars.  Various organizations do it for various plants.  For example, the Royal Horticultural Society in the UK is the registrar for orchids as well as some other ornamental plants.

If you are interested in pursuing it, the RHS mentions the International Society for Horticultural Science here:
that might be a good starting point to find out if there is a mango registrar somewhere.


I hope your stream has finally gone away, Oscar.

Its been raining all day here since morning.  Thankfully, it is not so heavy to form a stream here today.  For the prior three days, for much of the time, I have had a stream running about 15' from my house (about 3' from my lanai), making a small pond in the backyard before it flows off into the small pali in back of my house.

Rained all night long here. Have a stream coursing through length of my whole orchard. Short pause in rain right now at 11AM. No sign of clear sky or sun here.

Despite being teased with a small glimpse of the sun for about 1 1/2 hrs, the rains have been back the past couple of hours.  So far, only light to moderate but still not good with all the rain we have had (I'm guessing around 40").

The rain finally stopped here sometime early morning, I hope it is really over now.  Seems quiet this am but still completely socked in with clouds.  Our PV system has made virtually no power the last few days -- I hope the sun pops out at some point today.

Good luck to those on neighbor islands, it sounds like parts of Maui have probably gotten hammered too, hopefully the rest of the state will be spared anything too bad.


Good for you, Oscar!  Hopefully, the worst is over for you.  We have been getting clobbered in Hilo & Hamakua -- must be easily over 20" rain now & no signs of stopping yet.  I haven't been out of the house for maybe 30 hrs now -- I am afraid to see what my road looks like (old cane road) after this -- when I was coming home yesterday afternoon, many water diversions on the road had already been breached and there was a lot of heavy rain after that.  Wind has been very low here as well.


Tropical Fruit Discussion / Re: Mango graft problem
« on: August 23, 2018, 02:53:33 PM »
Ok, I guess I was not providing enough detail.  I have been using "rootstock" as terminology to differentiate the host plant from the scion.  All of the grafts from this recent round of grafting has been on smaller branches (probably 3/8 - 3/4" diameter).  These were all relatively young branches.  The goal was a cocktail mango tree, not decapitating a tree for conversion to a new cultivar.  There was still lots of leaves present for energy (both below the graft and on adjacent, ungrafted branches) as well as lots of stored energy as these are fruiting sized mango trees with significant mass.

There was only a couple of grafts from the previous time attempted with large diameter wood (I know success rate is lower in this scenario but I was just trying to mention that the success rate was not strictly related to scion size matching the "rootstock" in my attempts).  I know of people in the area who have successfully topworked other tropicals, in some cases, where the "rootstock" was 6-8" diameter, maybe more.  But these were not mangoes.

It seemed to me to be a bad sign that the lower buds were developing into competing shoots but it seems to indicate to me that this is showing the tree is in a (very) active growth phase, which is what I assume you would want.  I'm not sure why the scions did not kick into gear & start sprouting.  Next time around, I will probably concentrate on the "grave/coffin" graft method.  This will also allow me to leave leaves above the graft, perhaps that will be more helpful.

Oh well, back to soggy hurricane Lane.  I've got a break in the torrential rain for a moment so internet was back up again (down most of yesterday).


Tropical Fruit Discussion / Re: Mango graft problem
« on: August 22, 2018, 04:03:45 PM »
Thanks for all the helpful tips, guys.  I used "rootstock" here to differentiate from the scionwood, the rootstocks are actually young trees generally in the 5-7'+ range (both seedling & grafted trees).  The only graft that took this year was one where the scion & the rootstock matched fairly closely in size but last time I grafted, the successful graft was one where I decapitated a seedling rootstock & the rootstock was ~10x greater diameter than the scion.  So, in all cases, the rootstock had plenty of energy for the scions.

I always remove competing buds breaking below the graft, at least until it is painfully obvious that the graft has not taken.

Thanks again for the help!

Tropical Fruit Discussion / Re: Mango graft problem
« on: August 21, 2018, 04:18:18 PM »
Thanks, guys.  This is for scions I have purchased from the mainland (trying to introduce new varieties here) so I am not sure about the prep before harvest.  At least a couple scions looked like they had been trimmed of leaves in advance since small buds were swelling.  The trees never really go into any sort of dormant state here, just slow a bit in the winter.  When I grafted the batch this year, I had a ton of dormant buds quickly developing and pushing vigorously below the graft so the rootstocks were definitely doing their jobs.

Virtually every graft develops condensation under the buddy tape, this is why I was a bit concerned about this.  I am not sure about this year, but last year I am pretty sure that I had at least of couple of scions that started to swell buds but then were overtaken by the sooty mold and failed.  So, copper soap sounds like a better option than dilute bleach or peroxide to sterilize the scion?

The paper tube to shield the graft from sun is probably a good idea, I will give that a shot next time I try. 

I am still wondering if a perforated plastic baggy might work better than buddy tape here...


When you peel the bark off, what's left on the branch is all cambium. No need to line up the scion.

Ok, thanks.  The pic looked to me like the cambium had been removed with the bark layer from the rootstock.

Tropical Fruit Discussion / Mango graft problem
« on: August 21, 2018, 02:49:21 PM »
I have tried to graft some mangoes the last couple of years & have had very poor success.  I have been using cleft grafts & used to get very good results on temperate fruits, ornamentals, conifers, etc but I have not done well with mangoes.  I have been using rubber bands to secure the grafts and buddy tape to cover the scion & area near the graft.  It is possible that my eyesight is just gone down hill enough that I no longer line up the cambiums well enough but I don't think so. 

One thing I have noticed is that the scions tend to look like they are developing sooty mold (or something that resembles it).  Unfortunately, I neglected to take any pics.  It is not present on any of my trees or anything nearby but this is the Hilo area & fungus & other microbes are everywhere.  We do have a humid environment here but I am guessing that I still need something to insure that the graft area does not dry out initially.  I have not tried hydrogen peroxide or dilute bleach to sterilize the scions -- maybe that would be worthwhile.   Anyone encounter anything like this?  Any ideas?  I was thinking about trying to use a loose fitting plastic bag with a few small holes in it taped to protect the graft area from drying.


Did one alampur baneshan on Kent root stock this morning and took some photos. I cut a box on the bark  a little larger than the scion width and length. To pop out the bark and not bruise the periphery bark, I cut a centerline then pried out the bark by wedging the knife into the centerline and tilt it.

Your method looks pretty interesting.  However, I am having a hard time seeing where the cambiums meet up (looks like a pretty imprecise fit).  Do you just try to line up the cambium layers at the bottom & one side of the scion with corresponding cambium layers on the rootstock? 

I'll have to give your method a try.  I used to get a very high hit rate with cleft grafts on temperate fruit trees, ornamentals, & conifers but have had horrible luck with a cleft on mangoes.  This might be worth a try.


Tropical Fruit Discussion / Re: Cerrado Cashew (Anacardium humile)
« on: August 06, 2018, 07:41:55 PM »
I bought some of these from Luc a few years back.  I was hesitant to try them because of the "cerrado curse" but Luc mentioned that they grew well for him in the PV area.  My germination was ok but not great (probably too moist).  I think I had a half dozen or so seedlings before I went away on a vacation.  I think the person looking after them probably over watered.  I was down to two when I returned and lost one of those shortly thereafter.

I put one in the ground with a lot of cinder (lava rock) around the root zone & planted it on a bank where one side had been excavated away to level space for my greenhouse.  My thinking was that it should be better drained to give it a decent chance in our wet Hilo climate.  It was doing ok for over a year (but growing very slowly) but this spring was very wet & I lost it then.  The pera-do-campo (Eugenia klotzchiana, same root zone treatment) I had planted next to it have all made it through the wet spring, fingers crossed.

I recall someone else had posted about these at the time, you may want to search the forum for more info.


Tropical Fruit Discussion / Re: Olosapo ( Coupeia Polyandra)
« on: August 06, 2018, 03:17:27 PM »
Are they easy to germinate ? How long do they take ?

I got seeds a few years back, from Luc I think.  I did nothing special with the seeds & I believe germination was close to 100%.  I don't recall how long they took to germinate but it was not an extremely long time like with some seeds.


Tropical Fruit Online Library / Re: Book for beginner
« on: July 17, 2018, 07:13:06 PM »
There are a couple of older books that are available free online that are a good starting point for you. 

Here is a link to the newer one, by Morton:

This is a link to an older one by Popenoe, but still very useful:

These are good books as intro to tropical fruits, the Morton book will probably be more useful for citrus.  You will find a ton of useful links & pdfs in this library section as you venture into more uncommon fruits.


Tropical Fruit Discussion / Re: Bruno is a good Canistel
« on: July 09, 2018, 12:50:12 PM »
Hey Mike, you had shared seeds from a moist canistel a few years back.  I don't know if you would recall now if those were from Bruno or another moist one?  I've got a couple from you planted out that were a little slow starting but finally seem to be starting to grow.  I've still got a few years before fruiting but I hope that they will elevate my opinion of canistel -- I haven't encountered any moist ones here yet.


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