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Talkback: Whitefly

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Lice, whitefly and the like can be treated easily with nettles - simply cut fresh ( not dried - has to sting ) nettles and chop, leave in water for 24 hours and apply using a spray bottle ( make sure to use a fine sieve so it won't clog ).
After about five days the water will turn into a fertiliser but won't be scarying the pests away.
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  • poodiecatpoodiecat Posts: 3
    PS: Apologies, forgot to mention the container should not be metal.
  • small-black-catsmall-black-cat Posts: 2
    Useless. I was trying to find out more about a non-chemical treatment for whitefly and link to someone else, but all the webpage did was say 'Done' when I couldn't read it. Really sometimes these things are so difficult.
  • poodiecatpoodiecat Posts: 3
    How true, more research for alternatives should be done by the publishers.
  • Spud.TSpud.T Posts: 1
    I've heard that placing pots of growing mint in the greenhouse will deter whitefly. Is this true?

    Spud.T
  • emtykenemtyken Posts: 1
    I have tried boiled rhubarb leaves and added soft soap to the strained liquid. It works for black fly also.
  • ILOVEBEESILOVEBEES Posts: 5
    Before using thiacloprid, imidacloprid, acetamocloprid or any other neonicotinoid pesticide, I recommed visiting the Buglife website, to read their report summarising independent research on neonicotinoids. They kill bees & other non-target insects - eg. butterflies etc. Miniscule amounts impair the ability of insect to function resulting inevitably in death. Also, seek out the fact sheets from the US environment agency -you may get a shock! We used to manage without them & can now.
  • Baileys BothersBaileys Bothers Posts: 1
    Hello



    I've just noticed that there are small whiteflies on my parsnips and some of the leaves are curling. The solution above refers to soap based solution - should I just dilute washing up liquid with water and spray? If yes, what's the ratio? I'll also try the nettle solution.

    Thanks
  • waterbuttswaterbutts Posts: 1,214

    No No, not detergent. Detergent will burn the leaves of plants. Use soap that comes in a bar. Or those soap flakes you can buy for washing woollen things by hand. Just mix it as if you were washing your hands in soapy water. But don't spray it onto leaves infull sun. Again, it will burn them.

  • The potty gardenerThe potty gardener Posts: 1,448

    image

  • dahliaslavedahliaslave Posts: 17
    I've got it on my broccoli but it doesn't harm it, just means you have to wash the leaves carefully and rub it off, if you eat the leaves too. It also seems to be living in my compost bin, every time I open the lid a swarm of white fly fly up. Or is it something else? We're organic so I could try a soap spray but should I do something about the bin? Advice please.
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