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Topic: yellow powder. (Read 1264 times)
Good Gourd 2
Half Acre
Posts: 187
My minature allotment.
yellow powder.
«
on:
April 03, 2011, 17:45:26 »
Help, I noticed today that my apple tree (dwarf) blackcurrants and lilac bush all have this yellow powder on the branches, what is it please. Have looked up pests etc in my books and cannot find it.
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saddad
Hectare
Posts: 17,898
Derby, Derbyshire (Strange, but true!)
Re: yellow powder.
«
Reply #1 on:
April 03, 2011, 17:48:37 »
:o Sorry no idea... unless someone has been applying flowers of Sulphur in a strong wind!! :-X
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dtw
Hectare
Posts: 1,186
What grows, You decide!
Re: yellow powder.
«
Reply #2 on:
April 03, 2011, 18:20:26 »
Could it be pollen or lichen?
How yellow is it? bright or darker?
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Good Gourd 2
Half Acre
Posts: 187
My minature allotment.
Re: yellow powder.
«
Reply #3 on:
April 03, 2011, 19:06:38 »
Its greeny yellow, and it has the appearance of lichen but brighter. Sorry I am not a lot of help.
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aquilegia
Hectare
Posts: 3,590
hello!
Re: yellow powder.
«
Reply #4 on:
April 04, 2011, 07:36:02 »
I've seen lichen in at least two different colours - one is a pale greyish-greeny blue, the other is more yellowy green and quite bright.
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gone to pot :D
saddad
Hectare
Posts: 17,898
Derby, Derbyshire (Strange, but true!)
Re: yellow powder.
«
Reply #5 on:
April 04, 2011, 07:45:06 »
Having had a look at some of our older trees on site I'm fairly certain it's just a lichen as Aquilegia says.. :)
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Digeroo
Hectare
Posts: 9,578
Cotswolds - Gravel - Alkaline
Re: yellow powder.
«
Reply #6 on:
April 04, 2011, 07:58:55 »
Lichen comes in all sorts of colours, we have yellow, orange, black, white, grey on our house and trees. It rather indicates that you have some good clean air.
There's lots about lichens on
http://www.britishlichens.co.uk/
have a look at the squamous ones.
I love them but some people around here have had it scraped off their houses.
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