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Topics - Mango Stein

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According to
"Most Japanese pear varieties are dwarfed about 50% on P. communis rootstock"
and "[Nijisseiki/20th Century] should not be grown on P. Communis rootstock because it is badly dwarfed."

My question is whether there is a Nashi that is minimally affected by P. communis roostock. I want to graft onto a Josephine de Malines espalier. If that works, then the next year I guess I could do Nijisseiki on top of that, because the interstem should no longer dwarf it.
My last contingency would be to use a Chinese White Pear like Ya Li for an interstem, but they are bland from the description I've read.

Has anyone done this experiment? Regular pears normally sink, whereas apples float.

Tropical Fruit Discussion / New species: Pouteria tennisballi
« on: April 01, 2018, 05:05:34 AM »
Recently discovered in the Amazon region of Brazil.
Grows on clay or lawn.
Can be used dehydrated or deuced.
I will be able to Fedex seeds in future.

Looking at quantity of 15-20. Need them sent to Europe. Obviously a longshot in subzero temps (and that's fahrenheit too) but will be fun experiment.

The suckering is so annoying with this species. But I've noticed there are a lot of cultivars that people have bred in Europe and North America now.

Tropical Fruit Discussion / Best tree for shallow soil?
« on: September 12, 2017, 01:34:16 AM »
We're talking 6 inches before hard rock. Though I can build a mound of perhaps a foot. Total 18 inches.
My options are:
- avocado (grown from seed)
- biriba (dwarfed on A. montana rootstock)
- asimina triloba

Tropical Fruit Buy, Sell & Trade / Seeds available: Plinia spp.
« on: June 15, 2017, 02:17:15 AM »

Sorry don't know variety names.
The durian was a commercial variety from Malaysia and the jakfruit came from Darwin, Northern Territory, Australia, very little rag.
All seeds $3
PM for postage.
Durian and jakfruit seeds are recalcitrant so people may want to look at express post.

Hi all.
Would like to graft over a Pyrus calleryana (Chinese Pear) with species like Amelanchier alnifolia, Crataegus schraderiana/azarolus or Sorbus aucuparia/domestica.
Which of these will work?
Is there an interstem that could potentially make all these grafts compatible with Pyrus rootstock?


Minimum order of 8 seeds. Price is $2 per seed. Postage and handling is $10.

Seeking a cultivar of Imbe called 'Cile'. Plenty of them present in California.

I also want seedless lychee but quarantine forbids any scions are sent to me, so I'll have to grow from seed.

Thank you for understanding.

Tropical Fruit Buy, Sell & Trade / Selling seeds: Self-fertile cherimoya
« on: January 28, 2017, 07:37:56 PM »
Very high-yielding, no hand-pollination required. Classic cherimoya flavor. 'Forbidden Fruits' variety.

$2 per seed, minimum order 10 seeds. No charge for delivery.

Australians pay as though $AUS, everyone else $US.

Tropical Fruit Discussion / Eugenia phylogeny/taxonomy
« on: September 04, 2016, 03:06:26 AM »
A paper was done on this in 2014 by Fiorella Fernanda Mazine, Vinicius Castro Souza, Marcos Sobral, Félix Forest & Eve Lucas in KEW BULLETIN (2014) 69: 9497
DOI 10.1007/S12225-014-9497-X
A preliminary phylogenetic analysis of Eugenia (Myrtaceae: Myrteae),with a focus on Neotropical species.

I've put the phylogenetic trees below. They don't include some major species like candolleana, luschnathania and selloi. Probably the most interesting finding is that uniflora and pitanga are in the same clade as brasiliensis.

Unable to find any data on roughly how many chill hours this species needs for proper flowering and fruiting.

Tropical Fruit Discussion / Is this myrtle rust?
« on: May 26, 2016, 04:54:31 AM »

Small number of affected leaves on feijoa and pitomba.


Who is growing the large fruited form and can supply seeds in the near future?

Known as jabuticaba-coroada-da-restinga.

On E-Jardim website says grows 2-3m but photo is of much bigger tree.

I'm not sure whether plants can do epigenetics but it seems possible that there is a correlation. I'm talking the odd small jaboticaba seed when the rest of the seeds from the same plant were normal size.

Anyone have the Ka-pow Chilean Guava from Sutton’s Seeds in UK that was supposed to have larger fruit? Or some other good selection of Chilean Guava?

Plinia aureana
Plinia 'Grimal' / Peluga...
Myrciaria cuspidata
Cambui tinga
Myrciaria Glazioviana var. cabeludão
Plinia rivularis

Tropical Fruit Discussion / Eugenia zeyheri (edit: capensis)
« on: February 29, 2016, 03:27:57 PM »
So little information available on Eugenia zeyheri. Who is growing it? Shrub is only 1m tall and has edible black berries. Called 'Eastern Cape Myrtle' and meant to be from South America, but it's not on Helton's website and the name sounds like it could be from South Africa's eastern cape.

I figure that someone might have come across a chance seedling that is dwarfed (2m or 6'7" max). In spite of what the general description is, guayabillas get to be 5m according to some forum members.

New World (North and South America): E.g. cherimoya, rollinia, jaboticaba, sapodilla, mamey sapote, canistel, green sapote, passiflora, pawpaw, guava, grumichama, cherry rio grande, pitomba, rainforest plum, pitanga, pitangatuba/pitangola/starcherry, abiu, annona, araza/araca boi, papaya, babaco, black sapote, white sapote, pineapple, strawberry, achacha, chupa-chupa, bunchosia/peanut butter tree, panama berry/jamaica cherry, acerola, opuntia/prickly pears, pitaya/dragonfruit, feijoa, American persimmon, inga/ice cream bean, star apple, monstera, ugni, tamarillo and muscadine.

Old World (Asia, Europe, Africa): Pretty much everything else, e.g. banana, mango, apple, peach, plum, cherry, grape, fig, pomegranate, mulberry, lychee, longan, rambutan, pulasan, lansium spp., carambola/starfruit, watermelon, durian, breadfruit, jakfruit, chempadek, marang, mangosteen, citrus, kiwifruit, jujube, olive, date, Japanese persimmon, pear, apricot, quince, muskmelon, loquat, salak and santol.

*Oceania and Antarctica are not included in either (sorry fans of finger lime, Davidson's Plum and midyim). Some genuses are asymmetrically common to both worlds, like coconuts, rubus, blueberry, ribes, mulberry, haskap/honeysuckle.

RarePalmSeeds are selling seeds of a cultivar of Cabelluda that they say has "particularly large fruits". I'm hoping this translates to greater pulp ratio.

I think I read somewhere that the germination rate is low from this German company. Photo on FruitLovers catalogue looks like it has such a big seed and so little pulp.


I'd be fascinated to know the findings of this Chinese study of lychees.

You have to be a member of the International Society for Horticultural Science or else articles cost $23 which I think is a rort...

Authors:     W.Q. She, X.H. Liu
Keywords:     Litchi chinensis, leaf cell tissue ratio, cold tolerance
DOI:     10.17660/ActaHortic.2010.863.39
The leaf cell structure and several physiological characteristics of 14 litchi (Litchi chinensis) cultivars were analyzed in this paper. The result showed that the cultivar with large leaf cell tissue ratio had strong cold resistance, reversely the cold resistance of cultivar with low leaf cell tissue ration was weak, therefore leaf cell tissue ratio may be taken as an index to detect cold tolerance of litchi; the contents of free proline, soluble sugar, and soluble protein, and the activity of superoxide dismutase (SOD) that were positively correlated with the leaf cell tissue ratio, can reflect differences in cold tolerance among various litchi cultivars, therefore, they could effectively be used as methods to determine the cold resistance of cultivars.

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