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Raspberry Beetle
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- Lemon Half
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Raspberry Beetle
Any suggestions how to combat this pest, which I get every year, mainly on summer fruiting raspberries? The karimone water traps seem to be very expensive, while all the insecticides say 28 days before harvest minimum, yet for raspberries, spray at the first fruit turning pink, which is a lot less than 28 days. I am really stuck on this one.
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- Lemon Quarter
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Re: Raspberry Beetle
Nimrod103 wrote:...while all the insecticides say 28 days before harvest minimum...
Apparently not all of them...
It's only...RHS wrote:Pyrethrum (considered organic e.g. Bug Clear Gun for Fruit & Veg, Ecofective Bug Killer (also contains fatty acids)) may give some control of raspberry beetle. A minimum one day interval is required between spraying and picking the fruit...
...A better level of control may be achieved with the synthetic pyrethroid insecticides deltamethrin (e.g. Sprayday Greenfly Killer), which has a seven-day harvest interval...
https://www.rhs.org.uk/advice/profile?PID=522...lambda-cyhalothrin (e.g. Westland Resolva Bug Killer) which has a 28 day harvest interval...
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