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Messages - sapote

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1
Get some seeds and they will grow quite fast in summer. Need protection in winter for small trees. We have a tree in Santa Ana with trunk over 1 foot OD, from seed of course.

2
Tropical Fruit Discussion / Re: Mango grafting success
« on: March 09, 2018, 02:25:50 PM »
Congratulations and good luck, Harry. I think you have a good chance the grafts might survive because they are young seedling root stocks. If they are fruiting trees then the grafts might fail during this flowering period. For those side veneer grafts, do you have the top shoots of the rootstock cut off so the growth concentrates to the scions?

3
Tropical Fruit Discussion / Re: Any drawback to Maha chanok?
« on: March 07, 2018, 09:15:47 PM »
Drawbacks? Yes.  It does not taste as good as a number of the new Zill varieties.

100% in agreement, we know taste is subjective. if someone likes mild mango this would be great for them. I like super sweet or super complex or both. Mild mangoes are not for me or my wife.

I don't care for mild mangoes also, but I say Maha is an excellent tasting fruit at its peak. The fruits from the grafted tree bought from FL, 3' tall, is mild. But the fruits I grafted from FL tree to a big 10' from seed tree was out of this world. I had to sit down biting and licking into the paper thin seed and not fall down from heaven. Timing is crucial -- I picked it when the fruit was still firm but had strong smell. Glenn is a mild fruit in my scale.
My tree have many flowers every year since first planted, so maybe SoCal and FL have total different effect on flowering behavior. I don't know how Maha taste like in tropic region like FL and Hawaii but it is a keeper in SoCal yards.

4
On the last video, the poor guy tried hard to chop the not-so-big branches down and it bounced like a string. He made little progress. Then the hand saw with two guys on both ends. I was worried the pointed saw poked a hole to the guy stomach or cut his hands. One guy with 4 hands is ok but not two guys on a saw like this. The grafting knife is the biggest I ever seen. Who needs a professional grafting knife after seeing this?

The region was in the raining season I think – very wet ground, and so no bag needed over the scions. They seemed to use melted bee wax to cover the plastic gaps around the scions. I don’t understand why he wasting times cleaning or smoothing around the old bark before peeling if off. The result looks good to me.

5
Tropical Fruit Discussion / Re: Idiot-proof grafting tool?
« on: December 21, 2017, 08:17:00 PM »
I've never grafting anything before in my life, but this looks interesting:


https://coziza.com/products/coziza-grafting-tool


$29. Is it worth a try? I still need to try grafting my passionfruit vine this coming spring . . . .

The tool looks like it cut the branch/scion sideway which would bruise the things. You want clean lengthwise cuts. Just like sharpening pencil, you will do better than these tools. 

6
Tropical Fruit Discussion / Re: mango disease?
« on: December 21, 2017, 08:11:20 PM »
In the circles I don't see fungus affected decay at all, just dried flower. You can tell the flower/fruitlet stems look fine. Nothing to worry but just wait for the tree to be stronger, mature and will hold fruits.

7
Tropical Fruit Discussion / Re: Cutting or Air layering on Sapodilla advice
« on: December 21, 2017, 08:04:31 PM »
My father did air layering and it worked every time.

8
No problem, but I just confused because you responded with quote to my post, which has zero part of what you discussed about condensation :) A case of bad signal crossing?

9
"It's not going to get in if you wrapped it properly starting from the bottom up and past the top of the rootstock about an inch. "

Well, my veneer graft was for re-work a larger mango, so the top of the root stock is too tall to cover, and I don't think the uncovered rootstock is the problem, but the scion. As the scion sent out new growth, Walter Zill said to uncover it and I agreed with him. So after the top of the scion is uncovered to let the new growth exposed, how do you prevent water get into the two side-channels?

I'm talking about condensation that builds up from within the parafilm, it is perspiration from the plant tissue, not water getting inside from rain or watering.

I was discussing about rain water get inside with Mark,  and not about condensation, so I don't understand why the need to defend it?

10
I know the answer: build a small roof flashing above the scion to divert the water away :)

11
"It's not going to get in if you wrapped it properly starting from the bottom up and past the top of the rootstock about an inch. "

Well, my veneer graft was for re-work a larger mango, so the top of the root stock is too tall to cover, and I don't think the uncovered rootstock is the problem, but the scion. As the scion sent out new growth, Walter Zill said to uncover it and I agreed with him. So after the top of the scion is uncovered to let the new growth exposed, how do you prevent water get into the two side-channels?

12
"For preventing the water from getting in just cover the hole scions with parafilm"

I did, but I uncovered the top of the scion after it sent out new growth. Then, how do you stop rain going in and pool in there?

13


Actually side veneer grafting is the easiest and most effective way to match up the cambium on greatly unmatched girths.  Just make the width of the cut on each about the same width.  Sure helps having someone hold the scion in place while you wrap.

Very true on unmatched girths. As I did this few weeks ago using Walter Zills method, I was thinking this is a perfect graft for small scions and larger rootstock. But the method should have same merit on small root stocks too. The only thing I don't like about side veneer is it is impossible to seal off the water from entering the wrapped up union, as compare to a perfectly sealed Cleft graft. I ended up cut some small holes at the bottom of the my poorman "parafilm" wrap in case water got in from the opened top.

14
It makes sense now. Thanks.

15
Tropical Fruit Discussion / Re: Jackfruit weird leaves shape
« on: November 02, 2017, 03:06:34 PM »
One of my young jackfruit seedlings has quite strange leaves, resembling the ones of marang or breadfruit.
The plant looks otherwise healthy.
Should i worry?




Just like Fig fruit tree leaves, variable in shape.

16
" the most and basically only commercial kind of mango graft here is side veneer....."

I thought it makes more sense to do Cleft graft (vertical cut down center of root stock) on seedling since the rootstock trunk is small. How can you do side veneer on a pencil size root stock?

17
"In bark grafting, you peel also the bark to reveal the wood that is covered by invisible cambium layer and you stick you scion to the wood."

I understand what you meant now, but the bark has nothing to do in the alignment (of the cambium). Bark Grafting is just a name.

18
"I believe Zafra was referring to normal grafting where the cambium of the edges must match (at least on one side) when this Zill's graft is basically a bark graft."

A bark graft? What made you think the bark and its alignment is important in this graft? For me I see it as a cambium to cambium alignment, just as any other grafting methods.

19
"with no edge alignment anywhere"

Why do you think we need edge alignment?  Only the Pep Boys people doing edge alignment with toe-in :) The edges only have the bark and who care.

20
"No not a dead scion, dead in the middle as in dead-center as in aligned to the center, not an edge, of the root stock cut. :)"

Oh man!! Lucky we are not real medical doctors :) with language barrier.

21
I didn't take pic when working on this 2 weeks ago, because I was not so sure if it worked, and I need to hurry because the patient was bleeding and too many patients on the bed, and didn't want to be late for a scheduled tennis match Sunday morning!!!

22
I followed Walter Zill method top work my sister Home Depot mango tree 2 weeks ago. Yesterday I checked and  had around 6 grafts and 100% took!!! I didn’t have store bought parafilm and just used strips cut from plastic bag. I covered the whole scion as he did, and then uncovered the top grow after 2 weeks. Not as hard as I had thought, even at end of October.
...
sapote, next time please show/explain how you cut the rootstock. Walter Zill did not do a regular straight cut because the inside wood is untouched and just popped out and therefore leaving the cambium also untouched. This explains why this kind of graft works. The trick is in the cutting.

Yes, the secret is the cut depth. I made first cut not deep to cambium, which gave me more insight for controlling the depth of next cut. Sink the knife at the top of the cut until hit the wood then back up about 1mm for 1st cut. For 2nd cut, sink the knife until touches the wood, then tilt the sharp edge up to pry the thin bark so the thin bark slips (or pop) off the cambium, and this is the correct depth to pull the knife down to bottom of the long cut, no more no less. Done.
Along the length of the long cut if the knife got in to the wood a little bit, no worry because there is plenty of good cambium contact remain for the scion. Don’t have to be 100% cambium interface to survive. If some sections not deep to cambium then easily  just “touch up” again to slip the thin bark off to expose cambium.

23
Wow! And unless my eyes deceive me, those scions are dead in the middle with no edge alignment anywhere. I'm hoping some more experts might weigh in on WHY this works... :o

Which pic shows a dead scion at the middle? No edge alignment? Scion's middle cambium right on top of rootstock's middle cambium I say.

24
I followed Walter Zill method top work my sister Home Depot mango tree 2 weeks ago. Yesterday I checked and  had around 6 grafts and 100% took!!! I didn’t have store bought parafilm and just used strips cut from plastic bag. I covered the whole scion as he did, and then uncovered the top grow after 2 weeks. Not as hard as I had thought, even at end of October.











25
Tropical Fruit Discussion / Re: Mosquito fruits??
« on: October 19, 2017, 08:14:29 PM »
"It helps, but there are still plenty of mosquitoes around."

Exactly!! The trouble is not everyone doing this. Most people rely on the government to take care this kind of epidermic. But really, if the governments around the world spend little money -- as compare to other methods -- to equip each household with a fish tank. Oh man, less mosquitoes and more science kids in the next generation.

"Oh Lord, won't you buy me a Fish Tank? (No Porsche and no Mosquitoes)"

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