Aphids

This topic contains 6 replies, has 3 voices, and was last updated by  Issy1 2 months ago.

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    Topic
  • #51251

    Jacqui
    Keymaster

    Hi everyone

    I had an inquiry about aphids with spring coming on, affecting swan plants. Evidently the “warm, wet winter” didn’t put paid to the population.

    What I would do is to cut off every bit of plant that I could find covered in aphids and put them straight into a plastic bag and try not to let any of them escape. I would feed my plants well – NitrophosKa works well.

    I would also get in touch with Bioforce and buy Aphidius colemanii and release them near the swan plants.

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  • #51482

    Issy1
    Participant

    Thanks Jaqui, I had seen your earlier post so that is what I have done today. I have planted lots of seeds and have many new swan plants growing. Just transplanting them into bigger pots. Have lost count how many which is great.

    #51481

    Jacqui
    Keymaster

    Hi Isabel, I would suggest that you cut off every bit that’s got aphids on it and straight into a plastic bag and into the rubbish. Feed the plants well, and make sure they don’t dry out. Hope that will help you get on top of them.

    #51479

    Issy1
    Participant

    I have lost and am losing my mature swan plants to the pesky orange aphids here in Otago especially over the last two months. I squish, spray with garlic, squish, hose… and still the little orange blighters multiply again in a couple of days! Enjoy your time at the Ak Flower Show Jaqui. Lovely to have met you. Isabel, Palmerston

    #51409

    Jacqui
    Keymaster

    No, that’s not the “wrong” thing to do – but remember the adults have wings and due to their size you may not get them all. If you don’t get them all the numbers can build up very quickly, so it’s good to have quite a few ideas in store in case suddenly you have millions of aphids and all your plants are dying.

    #51404

    Monarch1
    Participant

    Thanks for the tips, Jacqui!I usually just rub them of, is that the wrong thing to do?

    #51265

    Jacqui
    Keymaster

    Very timely – Bioforce were on TV this morning, Rural Delivery.

    https://www.tvnz.co.nz/shows/rural-delivery/episodes/s2017-e27 – not sure how long this will be on TVNZ On Demand though.

    http://www.bioforce.co.nz/

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