Allelopathic effect of some aromatic plants on weed seeds
2016
Singh, Mool Chand | Pandey, Anjula | Priyadarshi, Madhu B. | Dubey, S.C.
Although weed control in modern agriculture primarily relies on use of chemical herbicides, their excessive use causes serious problems as weed resistance (Mamas et al. 2003), environmental pollution and adverse effects on human and animal health. All this leads to the increasing importance of non-chemical and environmental friendly alternatives in weed management, such as allelopathy. Allelopathy is defined as any direct or indirect harmful or beneficial effect of one plant, fungus or microorganism on the other ones through production of allelochemicals that escape into the environment (Rice 1984). The use of allelopathically active crops against weeds can be utilized in different ways i.e. surface mulch, incorporation into the soil, crop rotation, cover crops, intercropping, smothering or water extracts as natural herbicides (Reigosa et al. 2001 and Singh et al. 2003).
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