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Effects of extracts of weeds on germination and initial growth of rice (Oryza sativa L. cv. BR-IRGA 409)



Effects of extracts of weeds on germination and initial growth of rice (Oryza sativa L. cv. BR-IRGA 409)



Lavoura Arrozeira 40(375): 22-23



Effects of 0, 0.3, 0.6 and 1 g residues from aqueous extracts of Cyperus sp. and Echinochloa sp. roots and shoots on germination and seedling development of rice were studied in laboratory tests. <more or =>95% germination of rice seeds was obtained in all cases except with 0.6 g residues of Echinochloa shoots and 1.0 g residues of Cyperus roots. Extracts from both weed species reduced rice radicle and coleoptile growth.

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Accession: 001580739

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