Originally Posted By: graybeardtmm3
Originally Posted By: Hal
Could find no sources that show rotenone is found in any walnuts. But juglone is especially concentrated in black walnuts and also found in other walnuts and some hickories. Juglone is also toxic to fish and horses.


rotenone is not in the walnuts, its in the husk around the nut.


It is not rotenone. Hal was correct.


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BrentD, (Professor - just for Stan)

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