The oldest needles on many pines turn brown at this time of year. Is
this what your tree is experiencing?

I wouldn't worry about some of the lower growth expanding, even though
it's late. If they don't harden before the cold gets them you will get
lower budding with mugo's on last years growth next spring.

Cheers

Kev Bailey
Vale Of Clwyd, North Wales

-----Original Message-----
From: Internet Bonsai Club ] On Behalf
Of Mark Hill
Sent: 26 March 2003 16:56
To:
Subject: [IBC] Mugo Pine

Randi

I've been waiting for some of our learned colleagues to answer your mugo
pine questions, but I guess an answer isn't forthcoming.

FYI ... I have two mugo's. One appears happy with normal growth patterns
and
the other (in a nursery pot/soil) is doing exactly what you've
described. I
guess all I can do is sympathize with you, and wait for spring !!

Mark Hill
Harrisburg PA
Zone 6a


-----Original Message-----
From: Internet Bonsai Club ] On Behalf
Of
randi sharp
Sent: Monday, September 29, 2003 9:55 PM
To:
Subject: [IBC] Mugo Pine

I have a mugo in a nursery pot and in nursery soil. I plan to move it to
a
training pot, and the appropriate soil, in the spring when the weather
conditions are more agreeable for working with mugo roots in my temp
zone.
Until two weeks ago the tree was doing fine. Within the last two weeks I
noticed that the older needles have started to turn brown. Also,
laterally
the tree is breaking bud and the buds are starting to open with needles
approx 1/18 to 1/8 inch in length. While the lateral buds are breaking,
the
terminal buds are tight and remain tighly closed as I would expect them
to
be at this time in the season. The crown remains very green, with no
noticable bud break or buds swelling. The crown also does not show and
tendency towards browning. Any thoughts as to what could cause the tree
to
brown and also break bud at this late date in the season?

Randi Sharp
Richmond, VA
Zone 7


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Kev

Thanks for your help with my mugo problem.

I can't speak for Randi, but mine thinks it's spring !!
New growth is sprouting all over, with the older needles turning brown.
Late last week pollen was floating everywhere!!

I plan on keeping this tree in an unheated garage during the winter so it
should go dormant.

Any other suggestions ??

Mark Hill
Harrisburg, PA
Zone 6a


-----Original Message-----
From: Internet Bonsai Club ] On Behalf Of
kevin bailey
Sent: Wednesday, October 01, 2003 2:45 PM
To:
Subject: [IBC] Mugo Pine

The oldest needles on many pines turn brown at this time of year. Is
this what your tree is experiencing?

I wouldn't worry about some of the lower growth expanding, even though
it's late. If they don't harden before the cold gets them you will get
lower budding with mugo's on last years growth next spring.

Cheers

Kev Bailey
Vale Of Clwyd, North Wales

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Thanks for the hopeful email Kevin. The more I've started looking into the various horticulture sites I'm becoming very concerned that what my tree is infected with Diplodia fungus. The tree was lush and green until mid-September then started with browning
needles and now the tips seems to be dying back but with back budding up and down the browning branches. I've read Copper is a good fungicide but from what I've read I'm afraid its a loosing battle. Odd thing is that the mugo's in bonsai soil seem unaffec
ted and very healthy. This one, in the nursery pot, is the only one that seems to be struggling....needless to say...also my favorite mugo ;-(

Randi Sharp
Richmond VA ....
kevin bailey wrote:
The oldest needles on many pines turn brown at this time of year. Is
this what your tree is experiencing?




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Odd thing is that the mugo's in bonsai soil seem unaffected and
very healthy. This one, in the nursery pot, is the only one that
seems to be struggling....needless to say...also my favorite mugo
;-(


I don't find "diplodia fungus' anywhere, but I'd bet that
drainage is the key. The bonsai soil drains, the nursery soil
doesn't and since the nursery soil would be a LOT more organic,
there's fertile ground (so to speak) for fungi to get started.

If the tree is truly going downhill, you might try an emergency
repot.

Jim Lewis - - Tallahassee, FL - The phrase
'sustainable growth' is an oxymoron. - Stephen Viederman

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Hi Randi- Messages to you are bouncing, so I'll quote my offlist reply onlist:

Lots of things can cause banding of needles, including ozone damage. Did you have an ozone danger period a few weeks ago?

Your tree could have a needle blight fungus (there are several others that cause similar symptoms), but it's a little late for symptoms to be showing up: banding usually appears in late spring. If it is a fungus, you shouldn't worry much; needle blight is
a very minor disease. You should remove dropped needles from the pot, and that will disrupt the life-cycle. Unless you have the bonsai near other pine trees that have the disease. In that case, ask Cooperative extension to recommend a protectant fungicide,
and to tell you exactly at what time in spring to spray. If that webpage you quoted is for your state, then you're fine, but if it isn't, you need to get recommendations for VA.

If it's not a needle blight fungus, it could be something more serious. like a root problem that's affecting transpiration. You shouldn't have a rootbound tree! For shame! Next spring repot and check the roots.

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