Scale insects forum threads by gardenersworld.com

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Rhododendron bugs

not worked and she hasnt a clue what it is or how to get rid of it. Any ideas? Many thanks They're scale insect. They suck sap and excrete sugar, and this drips onto the top of the leaves and mould grows on it, hence the black leaves. Spray with Provado by wethergirl

12/05/2012 15:37:39

by Alina W

My houseplants have scale - please help!!!

Provado ultimate bug killer as there will be no chance of it affecting bees. Systemics are taken up by the plant and go into the sap which the scale insects feed on. It is the only guaranteed way to completely clear a bad infestation. thank you Bob, how by Ligularia

09/05/2013 22:32:03

by BobTheGardener

Lemon tree

as you may have scale insect. They are small flat round shapes. If you have them you need to remove them, gently rubbing with your fingers should do it for a minor case. I'm not sure if there is a chemical solution available Have you had a lot of rain by John Reynolds

09/08/2012 21:46:47

by John Reynolds

Eunonymous needs a doctor quick!

back - sections of the leaves are now without colour and look like die back at least. This is one of my favourite plants in the garden, so I am desperate to nurse it back to health. Any help gratefully received. The culprit could be scale insects by keennovicecam

22/04/2012 17:20:17

by keennovicecam

citrus plants

of the specialised food! Also i have not got the dreaded scale insect problem that i have suffered in the past! Obviously this is still under trial but thought it worth sharing this tip! Very interesting. Citrus usually need a relatively high nitrogen component, much by diana daniels

09/10/2012 16:29:44

by Italophile

crispy black edges to some of my plants' new leaves

mould I've ever seen. It was fine last year, bit of scale insect but not a major problem. This year, looks like it's been down the pit! So I chopped the tops off yesterday, left the three main stems with two sprouting leaf nodes each. So now by freshairfanatic

176

12/06/2012 20:48:34

by Auntiemand

What is it?

, or some sort of scale insect. Nothing to do with chickens though. Thanks for quick reply. I noticed this on my standard bay the other day - it wiped off easily and I washed the trunk down. No sign of anything else happening to it at the moment but I by Charliep

172

04/07/2012 19:19:35

by mark talbot

Black Soot

it on my rhodo, azalea or pieris before, but have had it on my camellia. Sooty mould develops on the surface of leaves when sap, or honeydew, drips down onto the surface from sap-sucking insects above. Scale insect is the usual culprit. Sheddy, take a look by sheddy

242

19/04/2012 15:44:09

by Adam Pasco

My bay tree's leaves have gone yellow. What can I do to rectify this.

it got ants? Bay's suffer from attacks by scale insects, which if heavily infested suck the life out of its host, check its trunk /stems for these little critters !! Oh, edit isn't working again !! Forgot to say, it may need a feed if you haven by Pat Bedlington

188

03/06/2012 17:43:39

by marshmello

What is on this apple tree?

stiff brush, I'm afraid. There is a list of sprays available here. Very similar sort of thing is Oyster scale. Just as hard to get rid of too. The white is a waxy substance which protects the insect from the outside. Water based sprays cannot get through by pipsqueak2

125

11/06/2012 12:50:11

by Berghill

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