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Irrigation with Water Contaminated by Sugarcane Pesticides and Vinasse Can Inhibit Seed Germination and Crops Initial Growth by Allan Pretti Ogura; Raquel Aparecida Moreira; Laís Conceição Menezes da Silva; Giovana Spinelli Negro; Juliane Silberschmidt Freitas; Thandy Junio da Silva Pinto; Laís Fernanda de Palma Lopes; Maria Paula Cardoso Yoshii; Bianca Veloso Goulart; Cassiana Carolina Montagner; Evaldo Luiz Gaeta Espíndola is a Environmental Science article available to read on EtoBox.

What is Irrigation with Water Contaminated by Sugarcane Pesticides and Vinasse Can Inhibit Seed Germination and Crops Initial Growth about?

Sugarcane crops are dependent on chemicals for maintaining plantations. Therefore, environmental consequences concern adjacent areas that can be affected by contaminants in common use, including pesticides and vinasse (i.e., a by-product from the ethanol industry). This study aimed to evaluate phytotoxicity through two plant bioassays with water from mesocosms contaminated with the herbicide 2,4-D (447.0 μg L -1 ), the insecticide fipronil (63.5 μg L -1 ), and sugarcane vinasse (1.3%). First, the germination test (4 d) with Eruca sativa L. assessed water samples collected three times after the contamination (2 h, 14 d, and 30 d), considering germination, shoot, and root growth. The results from this bioassay indicated higher phytotoxicity for 2,4-D as it fully inhibited the shoot and root growth even in low concentrations (0.2 μg L -1 ). However, no significant effect was reported for fipronil and vinasse. Also, the 2,4-D effects drastically decreased due to an expressive concentration reduction (99.4% after 30 d in mixture with vinasse). Second, the irrigation test with Phaseolus vulgaris L. and Zea mays L. considered shoot and root growth and biomass under 21 days after plants em

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Author

Allan Pretti Ogura; Raquel Aparecida Moreira; Laís Conceição Menezes da Silva; Giovana Spinelli Negro; Juliane Silberschmidt Freitas; Thandy Junio da Silva Pinto; Laís Fernanda de Palma Lopes; Maria Paula Cardoso Yoshii; Bianca Veloso Goulart; Cassiana Carolina Montagner; Evaldo Luiz Gaeta Espíndola

Publisher

Springer Science and Business Media LLC

Published

2022

Language

EN

Field

Environmental Science (Physical Sciences)