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Topics - pagnr

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Some years ago I was in a local Vietnamese grocery and noticed they had a Pummelo in the small Buddhist Shrine in the shop.
I was in a rush, and also didn't want to be disrespectful about the offering in the shrine, so didn't ask about the Pummelo.
About a week later, I was back in the shop, and asked the Lady owner if they sold Pummelos ?
There was a language barrier, as the word Pummelo is not Vietnamese, and also I thought the word for it was Nam, because one of the Vietnamese types is Nam Roi.
Anyway, it went back and forth for a while, me making fruit sizes with my hand for Lime, Orange, Grapefruit, which made sense to both of us, but crashed at Nam.
The Lady was helpful, and suggested I come back after school when her son was working and he could translate.
I tried the hand gestures and Citrus types again.
Finally it clicked for her, and she said '' Ah, you mean Buoi "
Then it clicked for me too, and I remembered that was the Vietnamese word for Pummelo.
We were both happy with the breakthrough, and the Lady said the Pummelo fruit should be back in on Tuesday or Wednesday.
I still wanted to be sure about when to come back in,
so I asked " When will you get the Buoi in the shop" ?
The Lady quickly replied,
"He comes back after three thirty, after school"

I am still working on my pronunciation of Buoi.
Only last week I was walking in my neighbourhood, and noticed an elderly lady in her garden with six 2 metre pummelo trees along her fence.
We chatted, and I asked about the Buoi trees, to which she quickly corrected my pronunciation to one she was happier with.
She said the trees were Pink types grown from seed.
I had seen them often while driving, but never noticed any fruit yet.


2
Giant Corpse Flower blooming in Adelaide Botanic Gardens. Part of a conservation project to help recovery of this now endangered species.
https://www.botanicgardens.sa.gov.au/whats-on/corpse-flower-bloom
https://www.abc.net.au/news/2023-01-09/sa-corpse-flower-in-bloom-at-adelaide-botanic-gardens/101837008

3
This came up on my FB feed.
https://www.facebook.com/DiscoverBalranald/photos/a.636444586504444/2478538108961740/
I have heard that the Yanga Homestead still has a historic Pummelo tree.
Some years ago I met an elderly Lady from a similar Sheep Farming Station in that area. She said as a child they had Citrons and Pummelos ( Shaddocks ) growing on the farm for use as candied peel for fruit cakes and preserves etc as the area was very remote and had to be fairly self sufficient.
Another historic Pummelo was known from Murray Downs Station near Swan Hill Vic. Possibly came to the area with Chinese Vegetable Gardeners who also worked on remote stations.

Yanga is at Balranald NSW, not far from the Lake Mungo area, one of Australia's most significant Archeological sites.
https://en.wikipedia.org/wiki/Lake_Mungo

4
Pineapples are well suited to dry conditions and have evolved to flower annually, often in response to a stressor such as low temperatures or drought however this year it seems the unseasonal warm weather (about 4 degrees warmer than usual) combined with double the average monthly rainfall has triggered a mass natural flowering event, predominantly, but not exclusively, in the SEQ area.

Natural flowering is as its name indicates a ‘usual’ annual natural flowering. On any one year it accounts for approximately 10% of a crop. This year growers are reporting between 60% and 80% of their crop has flowered.

When a natural flowering occurs, as it has in this case, plants are 5-6 months immature which results in small sized, unsaleable fruit.

excerpt from here
https://www.growcom.com.au/2022/11/15/natural-flowering-not-so-natural-for-growers/?utm_source=rss&utm_medium=rss&utm_campaign=natural-flowering-not-so-natural-for-growers

5
Researchers from The University of Queensland have identified two desirable traits in macadamia trees
to make orchards more productive and profitable.

The first trait involves reducing the height of mature trees from an average of 15 metres down to around five, said Dr Alam.
The second trait reduces the time before new plantings produce nuts from five to three years.

https://www.uq.edu.au/news/article/2022/10/tree-traits-boost-macadamia-production

On a similar note
This nursery in Australia sells a Dwarf Macadamia. Reviews say the nuts are also fairly small.
https://www.daleysfruit.com.au/buy/dwarf-macadamia-tree.htm

7
Temperate Fruit Discussion / Non dormant late fig grafting possible ?
« on: October 12, 2022, 08:54:20 PM »


Is it successful to graft figs later in the season, after they have leafed out ?
I have some not so great fruited seedling trees here, and just tracked down a nice variety to work them over ( its spring in Australia )
Thinking of removing the leaves of the scion piece and using that to graft with in late spring early summer ?
Or Chip budding thinner branches etc.

Anyone tried or heard if this might work ?

8
Indigenous Australians used the swollen taproot of Boab seedlings as a vegetable.
In recent years this has become more widely recognised, and commercially grown.

https://www.abc.net.au/tv/pohskitchen/stories/s3345483.htm
Baby boab roots are the tap root of the tree when it’s just a seedling. The roots grow like a carrot, and the texture of the tuber is similar to water chestnuts.
They are crisp and white, with a sweet delicate flavour. They are best served raw, or lightly cooked, and can be used in salads, stir-fry and soups, or julienned for dips.
Boab leaves are also edible; they have a nutty flavour and can be used in salads, soups and stir-fries, or as a garnish. Poh used them in her boab pickle.


http://www.ausbushfoods.com/bushfoodsonline/news/Boab.htm

9
A couple of seed sellers have some really interesting large types of Lab Lab / Hyacinth beans, i.e. very large flat green beans ( some green types, some purple types ).
Just wondering how these might be used ? Maybe like snow peas ?
Any good suggestions ?
https://seedsofplenty.com.au/wp-content/uploads/2020/07/CLIMBING-BEAN-Lablab-2.jpg

https://en.wikipedia.org/wiki/Lablab

10
I recently read about this. Interesting because both are Fungicides with low off target problems, i.e. some of the "safer" fungicides to use.
Also various copper mixtures are residual, in the sense they stay on branches and leaves for a while.
I have encouraged this by adding milk powder to C Oxo and painting on trunks, or using a sticky version like Flo Bordeaux.
Also wondering how much these on plant residues could be affected by a later Phos Acid application, and for what period ?

Another warning was using Phos Acid fungicides on highly stressed trees.
Info came from here
https://www.daf.qld.gov.au/__data/assets/pdf_file/0020/72263/factsheet-citrus-and-wet-weather.pdf

Young and/or stressed trees are very sensitive to phosphorous acid-induced phytotoxicity (e.g. leaf spotting and defoliation). Experience has found rates exceeding 1.9g/L active ingredient to induce phytotoxicity in container grown citrus and stressed field trees. 1.3g/L active has been safely used for container grown citrus. This corresponds to a rate of 2.2mL/L for formulations of 600g/L phosphorous acid.
The best approach for stressed trees is to apply the lowest of the label rates, judging the need to reapply by inspecting root health after 2 to 4 weeks. Alternatively, the effectiveness of applications can be determined by analysis of phosphite levels in the roots (greater than 30ppm are required) – analytical companies such as SGS provide this service.

Phosphorous acid and copper fungicides
Phosphorous acid application in the presence of copper fungicide residues increases Cu ion release, increasing the risk of copper phytotoxicity – particularly if the pH of the phosphorous acid is not adjusted to >7.2. Risk depends on copper type (in order of decreasing risk): hydroxide > oxychloride> oxide.
Check thoroughly with the phosphorous acid manufacturer before attempting to tank mix with other chemical. As a general rule, phosphorous acid should not be tank mixed with any other fungicides.

11
Tropical Fruit Discussion / Contacting Member
« on: August 20, 2022, 07:29:13 PM »
I was contacted by a member by PM.
It was a one off looking for Citrus seed.
The member is not too active, few posts, not checking PMs.
Ended up I got some seed, but can't get a PM reply from them.
Any Ideas how to contact via email ??

12
'Shocking' DNA discovery traces most of the world's macadamias back to one Australian tree
https://www.abc.net.au/news/rural/2019-05-30/macadamia-research-nuts/11160786
the race is on to preserve wild macadamia trees to improve traits like disease resistance, size and climate adaptability.
https://www.abc.net.au/news/rural/2022-07-31/wild-macadamias-threatened-species-genetics-amamoor/101276254

13
Multi stem Avocado rootstock seedlings, Can I strike as cuttings ?
So I have a bunch of rootstock seedlings, mainly Zutano and Reed.
Quite a few are multi stemmed.
Still on the seed, pencil thick or less diameter, 6 months old.
Any thoughts on striking some as detached cuttings ?
Otherwise thought of trying to root them.
Maybe top the pots with sand, or a filled tube over the multi stems to induce roots.
Some version of the clonal Avocado method ?
Anyone heard of or tried this ??

14
Unlemon - a meandering tale of citrus’ is now showing at the Museum of Economic Botany, Adelaide Botanic Garden.
Plus some other locations.
For those not in Australia, here is a Youtube and FB tour.
https://www.youtube.com/watch?v=yZUp5nExhGg
https://www.facebook.com/151482575223468/posts/my-exhibition-unlemon-a-meandering-tale-of-citrus-is-now-showing-at-the-museum-o/1227177914320590/
I was impressed by the exhibition catalog too.

15
Architectural development of some citrus trees from seed planting to first blooming.
Interesting study, goes beyond node count theory to describe the flowering structures of a seedling as it matures to flowering.
Some interesting thoughts on the role of grafting to replicate the structures.
French
https://agris.fao.org/agris-search/search.do?recordID=FR2019103287
English PDF
https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=&cad=rja&uact=8&ved=2ahUKEwjF2OTHh6n4AhVW8DgGHXrvBxMQFnoECAkQAQ&url=https%3A%2F%2Frevues.cirad.fr%2Findex.php%2Ffruits%2Farticle%2Fdownload%2F35687%2F35932&usg=AOvVaw1hmy9HrCx9Mo-tW738RMyk

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Tropical Fruit Discussion / Any info on Joachim Avocado ?
« on: May 23, 2022, 04:44:45 PM »
Any info on Joachim Avocado ? When and where did it originate ?

17
Anyone growing fruiting Citrus amblycarpa ??
I'm wondering if the fruit flavour has any resemblance to Citrus hystrix juice, as according to some descriptions ?
There seem to be a few versions of it available, some say tiny sour mandarin.
Guessing some aren't the real one ??

18
Citrus General Discussion / Flamingo Red Pummelo..Seedless ??
« on: November 26, 2021, 05:56:39 AM »
"Flamingo" – Red Pomelo is a hybrid of the 'Chandler' pomelo with a hybrid of a Shamouti orange and a clementine.  This pomelo variety ripens in the period from October to December and unlike other varieties it maintains its red color when the temperature drops. The pomelo is sweet (14% sugar) and seedless and its special feature is the presence of lycopene.

Anyone know if these are completely seedless or just "seedless" ??  Just found some fruit for sale.

19
Citrus General Discussion / Is Shunkokan polyembryonic ???
« on: July 13, 2021, 06:22:54 PM »
Hi, just wondering if Shunkokan is polyembryonic, or otherwise reasonably true from seed ??

20
Tropical Fruit Discussion / Carmen Hass Avocado
« on: June 25, 2021, 07:31:22 PM »
I am trying to track down Carmen Hass Avocado fruit in Australia.
Anybody have any good pics or tips on telling the fruit of this Hass var from other Hass types.
Any info on seed shape, skin colour, flesh colour or texture compared to other Hass.
Hass are in season over here now.

21
Just wondering if anyone has ever seen fruit of either Biasong aka small flowered papeda and / or Samuyao aka small fruited papeda?
How do the fruit of either compare with Citrus hystrix/Makrut ? Are they fairly close or quite different? .

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