
As defined by Whittaker (1970), a non-nutritional chemical produced by an individual of one species that affects the growth, health, behaviour, or population biology of another species.
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allelochemics, allelochemic 1. Chemical interactions between species, involving release of active chemical substances; such as, scents, pheromones, and toxins.2. A secondary substance produced by an organism that has the effect of modifying the growth, behavior or population dynamics of other species, often having an inhibitory or regulatory effect...
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