Algal allelopathy |
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Authors: | Inderjit K M M Dakshini |
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Institution: | 1. Department of Botany, University of Delhi, 110007, Delhi, India
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Abstract: | The comprehensive review on allelopathy (Rice, 1979, 1984) has been largely responsible for the evolution of allelopathy as
an independent branch of chemical/ physiological ecology. The allelopathic research during the last four decades drew attention
to different facets of the interactions among the constituents of habitat, calling for an understanding of the role of allelopathy
under different habitat conditions. In view of this, we have reviewed the existing information on allelopathic interactions
in aquatic habitats with special reference to algal allelopathy. This review has been mainly confined, therefore, to different
aspects of algal allelopathy such as allelopathic interactions in algae, algal toxins, bioassays, and implications of algal
allelopathy.
In spite of the large number of reviews on allelopathy (see section III), no independent review appears on algal allelopathy.
Although there were reports of toxins from cyanobacteria and other algae, no appreciable attempt was made to implicate algal
toxins in allelopathy under field conditions. Knowledge of chemistry and biology of allelochemical can help in their potential
use in controlling plant diseases and weeds. Therefore, it is urgent to study algal toxins for their involvement in ecological
phenomena such as succession, for their uses as herbicides, weedicides, and pesticides, for their uses in solving some of
the problems of algal ecology, and for their involvement in applied aspects. |
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