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bonsaiTALK Master Craftsman
Join Date: Feb-2005
Location: Austin, Texas
Posts: 794
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I haven't tried any foliar tonics though I have heard good things about using minute doses of acetylsalicylic acid and seaweed extract.
The acetylsalicylic acid mimics salicin and acts as a signal for the plant to boost it's immune response (SAR). I've also heard that seaweed extract can assist with cold tolerance.
Cheers,
Jim
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