Help for homemade insecticide

Discussion in 'HortForum' started by ericpg, May 28, 2010.

  1. ericpg

    ericpg Member

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    North Burnaby
    I used this homemade recipe as an insecticide:
    2 tablespoons of canola oil
    1 tablespoon of Murphy’s Original Concentrated Oil Soap (diluted with a heavy cleaning ratio of 120ml: 4L of water)
    1 tablespoon of baking soda
    and 2 garlic cloves mixed in 1 gallon of water.
    I used it a few times on sawfly larvae and aphids that were found on rose bushes. However, I felt that it wasn’t working, so I checked it after spraying it. More than 30 minutes later, the recipe still seemed to not work on the bugs, so I was wondering if anyone has successfully used this recipe or knows if I incorrectly mixed something(should I dilute Murphy's oil soap ?).
    Any help would be appreciated! Thanks!

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