Cultivation > Cultivation Problems

Rhodo pest

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ian mcenery:
This is a leaf from R Montroseanum which every year seems to suffer with some pest eating new leaves. There are plenty of other Rhodos in the garden but this gets the most attention. Any ideas and any suggestions on a cure

Ian Y:
Ian the chew pattern suggests a catapiller of some type to me. It is probably active at night so sitting up with a torch may be the only way.

ian mcenery:
Thanks Ian I will try that . Let's hope it stops raining so I can go out tonight

Lesley Cox:
The leaves look just a little bit chloritic as well Ian, maybe too alkaline a soil? You could add some peat or perhaps flowers of sulphur or similar to green them up. What's that stuff we used to be able to get - began with s I think - that we could water on to acidify the soil?

ian mcenery:
You are right  Lesley but I have checked the soil previosly and it was about 6.5 so not alkaline. I have been playing with the soil as I believe there was once a gravel path and this would have been an alkaline (Breedon ) gravel which seems to have affected more than one plant on this side of the garden. Have added the usual sequestrine and some others and although not yet normal it is getting better

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