[NAFEX] Allelopathic Sunflowers?
Doreen Howard
gardendiva at charter.net
Thu May 19 21:08:10 EDT 2005
Dylan Ford wrote:
If my memory serves (which is ever less likely), it is a substance
> in sunflower seed hulls that suppress the growth of some plants. Or so
> I've
> heard.
Yes, the hulls are allelopathic, but the plant roots also secrete a hormone
that is allelopathic, especially for weeds. That's a good thing. But, my
concern is that if I grow sunflowers in ground I will ultimately use for
more dwarf fruit trees, will I create problems for the trees.
Doreen
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