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1. Plants are known to release chemicals into the environment by several means which, depending upon edaphic and climatic factors, may influence the growth of neighbouring species.

2. This phenomenon could be exploited for the development of eco-friendly (nonchemical) weed management through the use of
a. allelopathic cover crops,
b. allelochemicals as natural herbicides,
c. allelopathic crops cultivars.

3. From olden days, certain cultivated crops or individual plants such as buckwheat, black mustard, sunflower, black walnut, cereal crops such as sorghum, wheat barley, oats and rye have been widely reported to suppress weed species.

File Courtesy: 
Weed Management in Rice, DRR Training Manual
Related Terms: EISWeed Management
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