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Differential influence of shoot extracts of winter cover crops on seed germination of corn, soybean and indicator plants

Artigos

Autor: Mirian Fracasso Fabiani, Leonardo Bianco de Carvalho, and Pedro Luis da Costa Aguiar Alves
Data: Outubro de 2017
Palavras-chave: Allelopathic potential, Avena sativa, Lolium multiflorum, Triticum aestivum, Summer crops, Major crops..

Resumo:

The objective was to test the response of summer crops (Zea mays and Glycine max) and indicator plants to exposure to extracts of winter cover crops (Avena sativa, Lolium multiflorum and Triticum aestivum) regarding on seed germination. Bioassays were carried out to test six shoot extract concentrations, by using germitest paper maintained in controlled conditions. Zea mays, Glycine max, Lactuca sativa and Phalaris canariensis showed differential response to exposure to shoot extracts of Avena sativa, Lolium multiflorum and Triticum aestivum regarding on seed germination. Shoot extracts of Avena sativa and Lolium multiflorum increased seed germination while shoot extract of Triticum aestivum reduced seed germination of Zea mays. Shoot extracts of Avena sativa, Lolium multiflorum and Triticum aestivum reduced seed germination of Glycine max, Lactuca sativa and Phalaris canariensis.

Cite: Fabiani, M. F., Carvalho, L. D., & Alves, P. D. C. (2017). Differential influence of shoot extracts of winter cover crops on seed germination of corn, soybean and indicator plants.