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 Post subject: Henon colour change?
PostPosted: Mon Apr 22, 2019 11:22 pm 
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Joined: Mon Oct 31, 2016 7:19 am
Posts: 55
Location: Canada BC Creston Z7a
While inspecting all my bamboo today I discovered that some canes of my Henon had turned black just like my black bamboo. Is this Typical for Henon or could this just be winter damage?


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 Post subject: Re: Henon colour change?
PostPosted: Thu Apr 25, 2019 5:59 am 
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Joined: Sat May 26, 2012 10:09 am
Posts: 248
Location: Austria
Nigra henonis should not be turning black.
I think your suspicion with with cold damage is likely.

What is the black pattern like?
Maybe you have a mix-up and it is boryana, which can turn quite black.


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 Post subject: Re: Henon colour change?
PostPosted: Fri Apr 26, 2019 4:38 am 
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Joined: Mon Oct 31, 2016 7:19 am
Posts: 55
Location: Canada BC Creston Z7a
I'll see if I can post a picture tomorrow. It's definitely Nigra Henon unless the nursery I bought it from was wrong but I find that unlikely.

I'm starting to think that it's just damage from the winter but I'll post a picture regardless.


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 Post subject: Re: Henon colour change?
PostPosted: Fri Apr 26, 2019 9:54 pm 
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Joined: Mon Oct 31, 2016 7:19 am
Posts: 55
Location: Canada BC Creston Z7a
Here's a picture of the bamboo.

http://imgur.com/gallery/SR986mf


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 Post subject: Re: Henon colour change?
PostPosted: Fri Apr 26, 2019 11:03 pm 
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Joined: Thu Mar 28, 2019 3:48 am
Posts: 15
Location: Port Angeles , Clallam county, Washington
new here but my culms turned purple/black after freeze and winds (Fraser outflow lol) . they are apparently P Aurea. Yours have more of a spotty color. You did have a hard winter in the Okanogan?


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 Post subject: Re: Henon colour change?
PostPosted: Sat Apr 27, 2019 5:48 am 
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Joined: Mon Oct 31, 2016 7:19 am
Posts: 55
Location: Canada BC Creston Z7a
Whoa that's pretty interesting looking. I wonder if it will affect the health of the canes

Not actually Okanagan, but close. I'm in the Kootenays. We were having a wonderfully mild winter up until a really nasty winter vortex came through, burned my boo's pretty badly, the worst of which being Dulcis which basically got killed to the ground


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 Post subject: Re: Henon colour change?
PostPosted: Sat Apr 27, 2019 7:21 am 
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Joined: Sat May 26, 2012 10:09 am
Posts: 248
Location: Austria
thebambooguy wrote:
Here's a picture of the bamboo.

http://imgur.com/gallery/SR986mf


I'm a bit sceptical that you indeed have henon.
Frost damage can look really similar to the pattern nigra has but the black coloration on your bamboo seems a bit too consistent to me.

Your plant is still relatively small - how long have you had it for? New growth on Nigra punctata takes a few years to turn black.
By the way if it is nigra punctata rhizomes will also turn black over time, so it may be a way for you to identify it sooner as I really doubt that black spotting from frost damage would occur on rhizomes covered with soil.

All the best,

Nicholas


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 Post subject: Re: Henon colour change?
PostPosted: Sat Apr 27, 2019 4:12 pm 
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Joined: Mon Oct 31, 2016 7:19 am
Posts: 55
Location: Canada BC Creston Z7a
I hope it's just frost damage, I'd be pretty disappointed if it wasn't Henon as I already have two other nigra.

I've had this plant for probably 3-4 years? But this is the first time I haven't had to dig up and relocate all my bamboo because I found a permanent home for them. Those canes are from last year. I've also noticed they are a lot more straight than my other nigra which is a hall mark of Henon no?

Is it possible to identify from the new shoots that come up?


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 Post subject: Re: Henon colour change?
PostPosted: Sun Apr 28, 2019 5:46 am 
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Joined: Thu Mar 28, 2019 3:48 am
Posts: 15
Location: Port Angeles , Clallam county, Washington
Oh right, Creston. You have a lot of hard freezes up that way for sure, guessing below zero F. I was reading about a fungus that looked similar to your spotting and colors. It said the fungus was not harmful. Good luck, my P Aurea are struggling, just had a huge wind event that stripped a ton of leaves. I hope new shoots continue, I have 3.


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 Post subject: Re: Henon colour change?
PostPosted: Mon Apr 29, 2019 9:19 pm 
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Joined: Thu Apr 21, 2005 11:26 pm
Posts: 812
Location: plus 700ft in the Santa Cruz Mtns, 8 miles from the Pacific 35 miles S. of San Jose
Photo of my Nigra Bory. Are you sure your Nigra Henon isn't really Bory?


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 Post subject: Re: Henon colour change?
PostPosted: Tue Apr 30, 2019 5:42 pm 
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Joined: Sat Jan 03, 2009 4:13 pm
Posts: 2886
Location: St. Louis area Location Details
And you just made me miss my Ph. glauca 'Yunzhu'. :(

_________________
Alan.
My blog: It's not work, it's gardening!


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 Post subject: Re: Henon colour change?
PostPosted: Tue Apr 30, 2019 7:17 pm 
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Joined: Thu Apr 21, 2005 11:26 pm
Posts: 812
Location: plus 700ft in the Santa Cruz Mtns, 8 miles from the Pacific 35 miles S. of San Jose
My P.g.y. flowered 9 years ago (see photo). It still shoots new culms and flowers every year but never develops seeds.


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