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Response of imidazolinone-resistant and -susceptible weedy rice populations to imazethapyr and increased atmospheric CO2 Planta Daninha
B. Piveta,Leonard; Roma-Burgos,Nilda; Noldin,José A.; P. Refatti,João; Oliveira,Claudia; Avila,Luis A..
Abstract Background: Weedy rice (Oryza sativa L.) is the main weed of rice crop. The high genetic variability of weedy rice contributes to the high phenotypic diversity between biotypes and different responses to environmental stress. Objective: The present study aimed to evaluate the response of imidazolinone-susceptible and -resistant weedy rice populations to increased atmospheric [CO2]. Methods: The experiment was arranged in a complete randomized design with six replications. The treatments included two [CO2] concentration (700 and 400 μmol mol-1) and three treatments: resistant genotype (IMI-resistant) treated with imazethapyr; resistant genotype without imazethapyr, and a susceptible genotype without imazethapyr. Results: The IMI-resistant...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Climate change; Ecology; Weed biology.
Ano: 2020 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83582020000100328
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