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#1
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Wisteria scale is here
Only reading a couple of months back that this imported pest has just
arrived in the UK and guess what, our wisteria has it. Noticed whilst giving it a summer tidy up, lots of large dark brown scales. I'll have to look up what has to be done, I think from memory it's a reportable pest. :-( -- Regards Bob Hobden W.of London. UK |
#2
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Wisteria scale is here
"Bob Hobden" wrote in message ... Only reading a couple of months back that this imported pest has just arrived in the UK and guess what, our wisteria has it. Noticed whilst giving it a summer tidy up, lots of large dark brown scales. I'll have to look up what has to be done, I think from memory it's a reportable pest. :-( -- Regards Bob Hobden W.of London. UK How an earth has it managed to get itself established on yours so quickly? I didn't think they had a flying stage in their life cycle. -- Charlie, Gardening in Cornwall Holders of National Collections of Clematis viticella and Lapageria rosea cvs http://www.roselandhouse.co.uk |
#3
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Wisteria scale is here
"Charlie Pridham" wrote "Bob Hobden" wrote Only reading a couple of months back that this imported pest has just arrived in the UK and guess what, our wisteria has it. Noticed whilst giving it a summer tidy up, lots of large dark brown scales. I'll have to look up what has to be done, I think from memory it's a reportable pest. :-( How an earth has it managed to get itself established on yours so quickly? I didn't think they had a flying stage in their life cycle. Luck I guess, you are correct, they don't have a flying stage, but get transferred by contact, birds, ants etc. I'll take a branch down to RHS Wisley for a positive ID as there are a couple of other scale that attack wisteria, however these are large, round, hemispherical and very dark. Much bigger and a different shape and colour to the normal ones we get on the citrus and camellias. If it is, I'm trying to imagine spraying the whole front of the house with a systemic insecticide. -- Regards Bob Hobden W.of London. UK |
#4
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Wisteria scale is here
On 01/08/2010 16:59, Bob Hobden wrote:
"Charlie Pridham" wrote "Bob Hobden" wrote Only reading a couple of months back that this imported pest has just arrived in the UK and guess what, our wisteria has it. Noticed whilst giving it a summer tidy up, lots of large dark brown scales. I'll have to look up what has to be done, I think from memory it's a reportable pest. :-( How an earth has it managed to get itself established on yours so quickly? I didn't think they had a flying stage in their life cycle. Luck I guess, you are correct, they don't have a flying stage, but get transferred by contact, birds, ants etc. I'll take a branch down to RHS Wisley for a positive ID as there are a couple of other scale that attack wisteria, however these are large, round, hemispherical and very dark. Much bigger and a different shape and colour to the normal ones we get on the citrus and camellias. If it is, I'm trying to imagine spraying the whole front of the house with a systemic insecticide. Surely a systemic insecticide will, as it suggests, spread into the plant's sap system on its own? I had always thought so. It's contact insecticides that need more thorough application. I hope this is right, for your sake; it makes your job a lot easier :~). -- Spider from high ground in SE London gardening on clay |
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