Rose leaves rot - home made fungicide

Discussion in 'HortForum' started by ericpg, Mar 24, 2010.

  1. ericpg

    ericpg Member

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    North Burnaby
    Following a website, I made a fungicide for my roses using:
    1 tsp. baking soda
    2 tsp. canola oil
    1 tsp. hand liquid soap(Softsoap Aloe Vera)
    water solutable fertilizer 20-20-20 1.5ml
    and some pepper, mix into 1 L of water.

    Then I sprayed the solution by RL FLO-Master 1/2G sprayer(air pressure spray).

    After having applied it to my roses, some of the leaves' edges became grayish. (Water would gather in the area - rot?) I am just wondering, is this problem caused by the soap or fertilizer?

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