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Blooming Mango Trees

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Wayne starts with ...
Here in Mackay we harvest our Mangoes early to mid December but over the past four years or so things have gone topsy turvy. The trees are flowering three months early but once the blooms start setting, new growth comes through and the flowers drop. The tree then starts its cycle again and we pick at the normal time, the problem is that we have a much reduced crop. My tree has dropped from several hundred fruit down to twenty or thirty fruit and we are getting a repeat performance again this year.
For some reason the trees are being tricked in to flowering early and I suspect it has to do with the weather. All sorts of solutions have been offered such as spraying the blooms to help them set but, to my way of thinking this would be encouraging the tree in to an unnatural cycle for this area and would bring us back in to the Bowen/Burdekin season. What I have also noticed is that there are no bees, I haven't seen a bee around the trees for years.
So, is this part of the claimed climate change or something else.

Your thoughts
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Wayne
Mackay
9th July 2008 11:19am
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John says...
Mild winters, leading to early flowering?
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John20
Perth
11th July 2008 4:06pm
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Correy says...
My Glen Mango Tree has started flowering much earlier then normal. It has flowers all over it now in Brisbane.

What do you think about cutting the flowers off right now so that it will flower a bit later on when it is the right time of year?

Also I have noticed that the bees are back. It seemed like they disappeared for a while but we have swarms of bees doing the hard yards pollinating even now.
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Correy
Woolloongabba, QLD
11th July 2008 5:51pm
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Wayne says...
I don't know about cutting the flowers off Correy, mine drop off. Has your tree started sending new growth with the flowering, my flowers are starting to drop now leaving the tree covered in new growth. Good news about the bees.
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Wayne
Mackay
13th July 2008 9:21am
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Steph says...
Our mango tree always grows lots of flowers but then just drops off. They don't bear fruit.

Does anyone have any suggestion on how to get it going better?
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Steph1
Perth
26th September 2008 1:29pm
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Anonymous says...
Cut flowers off if they are exposed for a time at less than 10 deg C > Cold causes sterility . The tree will bloom again (mostly)
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27th September 2008 9:51am
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Wayne says...
The tree has just started flowering for the third time, still no fruit. It is showing some sign of Anthracnose disease so I sprayed what I could with Mangozeb which didn't make any difference.

If it doesn't fruit this time it's going to get the chop.
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Wayne
 
27th September 2008 12:20pm
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Anonymous says...
Hi ,if Mangozeb did not work try mancozeb.
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27th September 2008 2:53pm
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MikeB says...
Hi all, great forum. I am having or I should say my neighbours are having the same problems with the fruit setting and then another flush of flowers. I got rid of mine due to house extensions etc. It is indeed caused by a sudden cold snap which stresses the trees. I live in an old, now sub divided, mango plantation at Rasmussen which is still surrounded by mango trees. We have a lot of bees but this years mango winds didn't arrive which normally blows most of the flowers off the trees and are going to have a bumper season by the look of it.

I helped trim the next doors trees down to stumps about a metre off the ground and they came back into production in 2 years so don't be scared to give them a pretty rough haircut.
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MikeB
Townsville
28th September 2008 2:24pm
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Tim says...
can anyone tell me where i can get some of the Mangozeb that is spoken about?
we are having some of the same sort of difficulties with some of our trees and i have heard that this is the stuff to use. many people on the island used to have mango trees but no mangos and i have just found out that this is what some who were gettin gfruit were using. only problem is they don't want to let on where they got it.

thanks
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Tim6
Norfolk Island
25th January 2009 11:57am
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Wayne says...
That sounds unkind of them Tim, anybody that sells fertilizer and sprays would stock it as well as most hardware stores.

By not knowing if or who you might deal with here it's hard to say, but, if you have no luck I would be happy to post some over to you
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Wayne
Mackay
26th January 2009 7:00am
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SlickMick says...
Tim, you could also try Bordeaux spray which is a copper type fungicide. If you cant get hold of that the replacement to it is Yates "Fungus Fighter". Both should get rid of anthracnose and black spot.

Have a look at this link so that you have a good idea of the spraying schedule if you are going to get on top of things. http://www.dpi.nsw.gov.au/__data/assets/pdf_file/0009/120114/blight-disease-mango.pdf
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Slicko
 
26th January 2009 7:52am
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Wayne says...
Good research there Mick
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Wayne
Mackay
26th January 2009 7:06pm
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kjh says...
Does not Bordeaux cause defoliation (leaves fall off)??
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sydney
27th January 2009 7:59am
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SlickMick says...
You are correct, it can do this and the recommendations are now for cupric hydroxide or copper oxychloride instead of bordeaux. I should have checked before that post. It seems that the problem with defoliation may appear when associated with the use of some fertilizer applications eg zinc. There are a couple of papers from the NT government that deal with fungal diseases in mango ie http://www.nt.gov.au/d/Content/File/p/Fruit/301.pdf and http://www.nt.gov.au/d/Content/File/p/Plant_Pest/709.pdf

Both these articles deal with various fungal diseases and their treatment in mangoes.

Hope this clarifies things
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Slicko
 
27th January 2009 8:57am
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robert says...
My tree, a dwarf Bowen, is approx 5 yo and about 40cm diam at a spot 60cm above the ground and has born fruit well the past 2/3 years.
The trunk disease?, if that is what it is, in the photo, has only become evident in the past few months. can anyone identify it and suggest a treatment.
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robert6
calamvale
23rd February 2010 1:58pm
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Wayne says...
Most trees tend to go that way with age Robert, I wouldn't be greatly concerned. I just leave mine be.
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Wayne
Mackay QLD
23rd February 2010 3:59pm
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robert says...
Thanks Wayne. I will stop worrying and look forward to a bumper next season. New leaf growth is outstanding.
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robert7
calamvale
1st March 2010 11:26am
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BJ says...
Hi,
My baby mango has developed this new growth that doesn't look anything like its other new leaves. It is a flower or a disease?
And should I do anything about it? (The plant otherwise appears healthy)
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BJ11
WA
2nd June 2010 6:52pm
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M Nash says...
Begining of a flower, How "Baby" is it?
If a sapling, the fruit , If any will drop. Let it go and see what it does. Be prepaird to remove baby fruit as at this stage I would be thinking more about the frame work of the tree.
Ie, If that is the main leader and your in a suburban block, Id take that flower out to encourage side branching into a wine glass shape. But that is just me
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MNash1
Terranora Northern NSW
2nd June 2010 7:21pm
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BJ says...
Thankyou so much M Nash!
I was worried it was sick. The tree is very 'baby' (i.e. I've only had it 6 months and it is about 1.5m tall, only a main leader at this stage). I think I'll follow your advice and encourage some side branching!
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BJ11
WA
2nd June 2010 7:29pm
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M Nash says...
Before you do that, Just remember that what you do now to that wip, Will change the way the tree grows in the future.
If you cut it, You can rotate the side branches, Letting one fruit for a few years while allowing a new one come out in the direction you want.Take off the old branch and let the new one take on the job.
They get Huge so This is what I would do to keep it under 5m and a fruit factory. unless I wanted the tree for shade or as a statley feature.
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MNash1
Terranora Northern NSW
2nd June 2010 7:40pm
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BJ says...
Thanks M Nash,
I think I'll follow your advice - I do want to keep it small so rotating the branches makes a lot of sense.
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BJ11
WA
3rd June 2010 9:15am
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Rose says...
Chemtrails - look it up on you tutbe.

Weather modification technology is being used over you ever single day. It has changed the seasons. People of the earth (gardeners) see the signs.

I hope this helps
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Rose7
New Zealand
3rd May 2011 7:55pm
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amanda says...
Hmnnn...not sure about that one Rose. Apparently it's a conspiracy theory about Bin Laden being dead also...
You might be thinking of "cloud seeding" perhaps.
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amanda19
Gerladton. Mid West WA
3rd May 2011 11:07pm
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randey says...
maybe that the chemtrails are bin ladens ashes. just joking guys. now if they were to spread a good top soil it wouldn`t be too bad.
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randey
perth
7th May 2011 1:31pm
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mojo says...
I brought a dozen Mango tree's towards the end of summer this year from Tass1 and the other guy at the bottom of the Tonkin hwy in Perth, all grafted, some dwarf some normal, and most have started to flower and it's only June.
Night time temp is around 5 and day time is around 18, i have 12 older tree's that have not flowered so i guess the younger one's must be confused and why nearly all of them? one or two getting confused i can understand but not most of them.
Anyone else in the Geraldton area getting flowers on their mangoes?
I suppose the best thing to do is cut them off as i believe it is way to early for flowering and the tree's are far to small to support fruit....very strange.
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mojo
Northampton WA
24th June 2014 1:31pm
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Brain says...
Its the warmer than normal winter. One of my kp and r2e2 is starting to flower in bris.

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Brain
Brisbane
24th June 2014 7:05pm
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Markmelb says...
My Palmer i planted last spring is budding to flower in Melbourne too - will take them off once identified in another month or so - My Lamb Hass Avo is covered in flower buds for its first flowering soon.
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Markmelb
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24th June 2014 7:59pm
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Sydney Tropics1 says...
Hi,

It’s almost the end of March here in Sydney and autumn kicked in. I’ve got three young mango trees (early gold, king Thai & r2e2) that are shooting mixed bloom of leaves and flowers.

Is this normal for autumn? I initially thought it’ll be vegetative growth but after a few days flowers emerged. Will this mean I’m getting an autumn and spring flowering?

Thanks
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Sydney Tropics1
ARNCLIFFE,2205,NSW
25th March 2018 1:19am
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Fruitylicious1 says...
It's not unusual for mango trees to flower unseasonably. Mango's can be induced to bloom due to weather conditions. Warm climate interspersed with periods of rain assisted by fertilization will induced flushes of growth followed by sudden cooling of temperature for a few days will signal the mango tree to bloom regardless of the season. Most mango growers snip off the resulting out of season blossoms to channel the plants resources for more growth and later to flower at the right season.

Happy gardening :-)
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Fruitylicious1
TAMWORTH,2340,NSW
26th March 2018 6:45am
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Original Post was last edited: 26th March 2018 6:46am
mojo says...
I agree with Fruitylicious1 as the weather can trigger strange behavior with mango's as a couple of mine did it last year,flowering three times with fluctuating warm and cold temps before the weather warmed up and stayed warm but that was at the beginning of the season not at the end,you need new vegetative growth now ready for next year's flowering if the tree is big enough to support it.The included pictures were taken about two weeks ago after i gave all my trees a big trim up top and in the middle as they were getting too tall and dense and i pruned all the tips from the top down to the bottom to make them bush out and the first new growth is over and they are starting a second one. Your tree's look very young and healthy and if they are grafted(as every grafted tree i brought just wanted to flower all the time)and the best thing to do is cut them off and hopefully trigger some new growth of the tree and you really don't want fruit on a small tree as it bends the branches out of shape trying to support the weight of the fruit which probably wont survive on such a young tree and while it is flowering it tends to inhibit new leaf growth as all the plants energy go's into producing fruit so you could end up with no fruit and no new growth on the tree(been there done that)i learned the hard way.

Good Luck
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mojo
NORTHAMPTON,6535,WA
27th March 2018 2:51am
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Sydney Tropics1 says...
Thank you Mojo and Fruitylicious1.

Yeah weather must have triggered it.

I’ve cut the flowers and encouraging my mango tree to produce more vegetative growth.

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Sydney Tropics1
ARNCLIFFE,2205,NSW
1st April 2018 2:27am
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Michael Dang 18 says...
My mango is flowering since Autumn and now in winter. I can't find a definitive answer anywhere on the web to indicate if I should leave it or cut it off.What happens if I leave the bloom and what happens if I cut the bloom off.Please help .I'm in South Western Sydney.
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Michael Dang 18
Wakeley
4th June 2018 9:34am
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Fruitylicious1 says...
Hi Michael

If you leave the blossoms this winter they will drop off. If you snip the flowers off now the tree might re-bloom later on and hopefully at the right time when the temperature starts to warm up. Your choice.

Happy gardening :-)
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Fruitylicious1
TAMWORTH,2340,NSW
4th June 2018 8:00pm
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Original Post was last edited: 4th June 2018 8:01pm
Michael Dang 18 says...
Interesting.I have two trees blooming so will leave one blooming and the other one I will cut. Let's see what will happen in Spring time.
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Michael Dang 18
Wakeley
6th June 2018 7:47am
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Jez says...
My Kwan mango has gone crazy last couple years. No leaf or new branch growth whatsoever, just flowers only. I pluck them and sometimes cut them off with one growth of leaves but flower shoots keep on coming. Even growing directly out of the trunk and branch wood. Weird.
Someone told me a year or so ago it was due to too much fertiliser so I haven’t given it any since, but same behaviour.
Weather has been odd so will put it down to that but my Kensington has been going through correct flowering-fruiting-leaf growth cycle.
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Jez
Perth
13th June 2018 5:38pm
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Markmelb says...
I found they settle down after a year or so usually. You want to take off a few leaves below to an outward bud as scions were from a mature flowering mango when grafted - when trunk is about 6 to 7cm you can let it hold a few fruit. When its that size you can manipulate flowering to when it warms up by removing pannicles or doing a light prune at end of winter.
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Markmelb
MOUNT WAVERLEY,3149,VIC
14th June 2018 9:14am
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Mango Mike says...
Jez.... Don't cut the flowers off... If you do.. is whats happening now ..new flowers arrive.... Let the flowers either die off or set fruit... When the fruit is say pea size then remove... tree will then push growth......Mike
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Mango Mike
KARRABIN,4306,QLD
14th June 2018 4:56pm
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Jez says...
Thanks guys. The last flowering I did let it fruit so hopefully that will be the end of it. I was previously told it was continually flowering due to too much nitrogen so don’t fertilise (even though I though N was associated with leaf growth ??) Today I bough a Maha Chanook to add to the collection and was told no, don’t cut back on N if you want leaf/branch growth. So will be changing fertilising situation. Can’t wait to get this Kwan back to where it was, the fruit was great.
Now I have four types, Maha C, Nam Doc Mai, K Pride and Kwan.
Pic is 1.5m Kwan at the moment, not looking too flash. Starting to blossom again at start of winter so hopefully with additional N it will be back to normal this spring.
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Jez
Perth
15th June 2018 1:35pm
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Jez says...
Another thing, this is a pic of my pathetic Alphonse. I’m not happy with the ‘branches’ as they are long and weak and seem to have been kept in shady place. If I snip them all off about 1-2cm down (one cut of the trunk), new branches should develop right? Not happy with the angle of the graft as I prefer straight as possible but I can live that. Maybe I can wrap in wire to straighten it. Sorry to kind of hijack thread, active one at the moment so thought I ask here instead of new one.
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Jez
Perth
16th June 2018 3:01pm
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Mango Mike says...
The Alphonse trees tend to be a spreading canopy like yours.... I would put a post in the ground to support & after fruiting then look at trying to get upright growth at the branches by pruning off any sideways growth...Mike
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Mango Mike
KARRABIN,4306,QLD
18th June 2018 8:15am
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