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For Kay - biological controls
I asked Ray about the residues from sprays affecting greenhouses and
their plastic contents. He says he knows that e.g. Vapona does this and lingers for quite some time. And the thing that kills off vine weevil in compost but also the predators, is Suscon green. It might be worth checking it's not in anything you use if you want to go on using bio controls. http://www.chemindustry.com/chemicals/069774.html -- Sacha www.hillhousenursery.com Shrubs & perennials. Tender & exotics. South Devon |
#2
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For Kay - biological controls
Sacha writes
I asked Ray about the residues from sprays affecting greenhouses and their plastic contents. He says he knows that e.g. Vapona does this and lingers for quite some time. And the thing that kills off vine weevil in compost but also the predators, is Suscon green. It might be worth checking it's not in anything you use if you want to go on using bio controls. http://www.chemindustry.com/chemicals/069774.html Thanks. I think it's probably more likely to be the temperature thing - there's certainly a correlation (even though correlation is not the same as causation) -- Kay |
#3
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For Kay - biological controls
On 2009-10-04 20:39:36 +0100, K said:
Sacha writes I asked Ray about the residues from sprays affecting greenhouses and their plastic contents. He says he knows that e.g. Vapona does this and lingers for quite some time. And the thing that kills off vine weevil in compost but also the predators, is Suscon green. It might be worth checking it's not in anything you use if you want to go on using bio controls. http://www.chemindustry.com/chemicals/069774.html Thanks. I think it's probably more likely to be the temperature thing - there's certainly a correlation (even though correlation is not the same as causation) Well you will certainly know your own greenhouse best so with all the loose ends tied up, I am sure you'll be right. ;-) -- Sacha |
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