Zombie scales

Clicio

Chumono
Messages
980
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Location
São Paulo, Brazil
USDA Zone
11a
One of my trees had a bad case of scale infestation this season. I have treated it with insecticide in the summer and with Neem Oil in the autumn.
The tree is healthy now, lots of new buds, but the branches are still full of them, dead I suppose; when scratching they fall and look dry, but are they? I mean, do they stick to the wood even when dead?
If so, how can one clean the tree without doing more damage than good?

20190514_150227.jpg
 

River's Edge

Masterpiece
Messages
2,563
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5,770
Location
Vancouver Island, British Columbia
USDA Zone
8b
One of my trees had a bad case of scale infestation this season. I have treated it with insecticide in the summer and with Neem Oil in the autumn.
The tree is healthy now, lots of new buds, but the branches are still full of them, dead I suppose; when scratching they fall and look dry, but are they? I mean, do they stick to the wood even when dead?
If so, how can one clean the tree without doing more damage than good?

View attachment 242263
They do stick to the tree even after expiring, i use a pair of tweezers to remove.
 
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