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Re: Compost questions...


At 07:25 PM 11/8/97 -0500, you wrote:
>At 07:05 PM 11/8/97 -0500, you wrote:
>>Pat Lowe wrote:
>>>
>>> what is wrong with black walnut leaves?
>>>
>>        Jugalone (or something like that) is an alleopathic substance in Black
>>Walnut root, wood, and leaves. Kills a lot of stuff. You should ask your
>>extension agent about it. Since we don't get them down here I am not an
>>expert by any stretch.
>
>There may be something to this concerning black walnut leaves. I have quite
>a few here. I've always been fascinated that almost nothing grows beneath
>the walnut trees. The grass...weeds?...is rather sparse compared to under
>other trees. What does grow is severly stunted.
>
>I've always wondered about why.
>
>Can anyone offer an explanation or confirmaton of Bill's comments? I think I
>won't use any black walnut leaves in my compost just because I know very
>little grows under them. Something is causing the lack of growth.
>
>bernie///

Confirmation comes from _Rodale's All-New Encyclopedia of Organic
Gardening_, p. 356. (The toxin is spelled "juglone.") There are many other
sources. As far as an explanation goes, it may be to prevent competition
from other plants.

@->-`-,----------------------------------------------+
|  Cousin Ricky      USDA zone 11, Virgin Islands    |
|  rcallwo@uvi.edu   formerly zone 6, Massachusetts  |
+----------------------------------------------------+


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