Allelopathy - When One Plant Stops a Neighboring Plant from Growing
By Marie Iannotti, About.com Guide
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Allelopathy In Plants: What Plants Suppress Other Plants
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By Nikki Phipps
(Author of The Bulb-o-licious Garden) ...
allelopathy (adj. allelopathic)
The inhibition of growth of one plant species by another due to the release of chemical substances.
GardenWeb Glossary of Botanical Terms
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allelopathy search for term- n. (Gr. allelon, one another; pathos, suffering) the influence or effect of one living plant upon another; ...
Allelopathy- The influence of plants, other than microorganisms, upon each other, arising from the products of their metabolism.
Allopatric- Occurring in different areas or in isolation. (Cf Sympatric).
allelopathy. The ability of a plant species to produce substances that are toxic to certain other plants.
allowable depletion. The proportion of available water that can be used before irrigation is needed.
ALLELOPATHY - The release of chemicals by certain plants that will prevent the growing of other plants nearby. Walnut trees are very well known to do this.
allelopathy The excretion by some plants of compounds from their leaves and/or roots that inhibit the growth of other plants.
How allelopathy works
Though scores of plants are known to produce allelochemicals--Ailanthus (ailanthone), sorghum (sorgoline)--black walnut (Juglans nigra) is the poster plant for allelopathy.
A spectacular example of this is allelopathy, a kind of chemical warfare that can exist between plants, and can cause non-infectious diseases.
The only aspect of "enemy plant" lore that has merit is "allelopathy," whereby one plant releases toxins that inhibit the development of another plant growing nearby.
One problem with dry land eucalypts is a phenomenon known as allelopathy, they give off a toxin from their leaves, roots and bark that prevents any other plants, including their own seedlings, from growing.
"Allelopathy," by Teresa Boes, American Nurseryman, January 15, 1986, p. 67.
"Plant against Plant," Elen M. Silva, Extension Technician, Dept. O Horticulture, in Virginia Gardener Newsletter, Vol. 8, No. 4 ...
Chip and sawdust mulches from some woods, such as walnut and cedar, produce phytotoxic (plant-killing) chemicals and should be avoided. This toxicity phenomenon is called allelopathy.
 See also: Plant, Growing, Water, Natural, Soil
  
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