Horse Chestnut Scale??
I have found these 'deposits' on the trunk and branches of my Acer Palmatum today. I don't know how long this has gone unnoticed as the plant has very think dense foliage. I only noticed today as I had to manouvre myself underneath to paint the fence.
I think I have managed to identify as Horse Chestnut Scale. Has my detection been correct?
According to RHS I should have sprayed in July, so what action should I take now at this time of the year and what would be the recommended product.
If I am wrong - any other suggestions and treatment please.
I nicked the trunk with the hoe earlier in the year - would this have lead to this happening.
I would hate to lose this plant as I have had it for around 13 years. Thanks for all you help in advance.
- 13 Sep, 2011