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Allelopathic properties of rice straw

Inderjit and Shalini Kaushik

Centre for Environmental Management of Degraded Ecosystems (CEMDE), School of Environmental Studies, University of Delhi, Delhi 110007, India. E-mail:


Phalaris minor, a winter annual non-native weed of Mediterranean origin, has been well established in wheat (Triticum aestivum L.) fields. It adversely affects wheat growth and yield of P. minor. Unharvested stalks and straw of rice (Oryza sativa L.) left in the field generally interfere with the growth of the next season crop. We hypothesize that allelopathic potential of rice straw might suppress P. minor growth. The role of allelopathy in suppressing P. minor growth and its implication in agroecosystem are discussed.

Media summary

Allelopathic potential of rice straw might suppress the growth of P. minor.

Key Words

Rice allelopathy, Phalaris minor, weed suppression

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