Q & A

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  • August 20, 2016 at 8:09 am #207853
    MELANIE
    Guest

    I was reading that BT works to kill vine borers. Is that true? If so which one do I purchase? Thank you

    August 20, 2016 at 5:30 pm #207893
    Eric Vinje
    Keymaster

    Hi Melanie –

    Bacillus thuringiensis var. kurstaki or Bt-k will work on Squash Vine Borers but it must be injected or sprayed into the stem holes. In fact, studies have shown that Bt — an organic insecticide — was just as effective as chemical treatments. Here’s a link that should help:

    https://www.planetnatural.com/product/monterey-bt-kurstaki-bt-k/

    Keep in mind that Bt is not approved by the EPA for vine borer control and will not show up on the product label.

    Good luck!

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