2008
DOI: 10.1590/s0103-84782008000600041 View full text |Buy / Rent full text
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Abstract: Herbicidas do grupo das imidazolinonas, como imazethapyr e imazapic, podem persistir no solo e afetar culturas não-tolerantes cultivadas em sucessão. O objetivo do trabalho foi avaliar o efeito residual da mistura formulada de imazethapyr+imazapic sobre azevém semeado e conduzido sob condições de casa de vegetação. Para isso, inicialmente foi conduzido um experimento em campo, em que aplicou-se sobre a cultivar tolerante de arroz ("IRGA 422 CL") diferentes doses da mistura formulada de imazethapyr+imazapic, re… Show more

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“…These results are similar to those reported by Pinto et al (2009a), who found that imazethapyr + imazapic, applied at a 1.0 L ha -1 in post-emergence irrigated rice, remains active in the soil to significantly reduce the plant's aboveground dry height, its biological yield and the germination potential of ryegrass seed sown in rotation, after a year of CL rice cultivation. In contrast, Grohs et al (2008) showed no carryover effect on ryegrass emergence, and shoot dry weight. This divergence between authors is probably due to the soil physic-chemical characteristics as well as moisture conditions when ryegrass was planted.…”
Section: Resultsmentioning