Carryover of Imazethapyr and Imazapic to Nontolerant Rice

Enio Marchesan; Fernando M. dos Santos; Mara Grohs; Luis A. de Avila; Sérgio L. O. Machado; Scott A. Senseman; Paulo F. S. Massoni; Gerson M. S. Sartori

doi:10.1614/WT-08-153.1

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Enio Marchesan, Fernando M. dos Santos, Mara Grohs, Luis A. de Avila, Sérgio L. O. Machado, Scott A. Senseman, Paulo F. S. Massoni, Gerson M. S. Sartori

Abstract

The present work aimed to evaluate plant injury caused by residues in the soil of the formulated mixture of imazethapyr and imazapic to a nontolerant genotype of rice (IRGA 417) drilled at 371 and 705 d after herbicide application (DAA). Herbicide carryover reduced up to 55% of the grain yield of the IRGA 417 drilled at 371 DAA, and plant injury was still evident at 705 DAA but without grain yield reduction.

Nomenclature: Imazethapyr; imazapic; rice, Oryza sativa L. ‘IRGA 417’

Citation Download Citation

Enio Marchesan, Fernando M. dos Santos, Mara Grohs, Luis A. de Avila, Sérgio L. O. Machado, Scott A. Senseman, Paulo F. S. Massoni, and Gerson M. S. Sartori "Carryover of Imazethapyr and Imazapic to Nontolerant Rice," Weed Technology 24(1), 6-10, (1 January 2010). https://doi.org/10.1614/WT-08-153.1

Received: 20 October 2008; Accepted: 1 October 2009; Published: 1 January 2010

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