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nafex - Re: [NAFEX] Allelopathic Sunflowers?

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  • From: "Doreen Howard" <gardendiva@charter.net>
  • To: "North American Fruit Explorers" <nafex@lists.ibiblio.org>
  • Subject: Re: [NAFEX] Allelopathic Sunflowers?
  • Date: Thu, 19 May 2005 20:08:10 -0500

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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