2012
DOI: 10.1590/s0100-83582012000100012
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Crescimento de espécies bioindicadoras do residual do herbicida (imazethapyr+imazapic), semeadas em rotação com arroz Clearfield®

Abstract: RESUMO -Neste trabalho, determinou-se o efeito residual do herbicida Only ® (imazethapyr+imazapic) sobre plantas de milho, pepino, rabanete e tomate, semeadas em solo no qual o herbicida foi aplicado há 1.100 dias. O estudo foi realizado em casa de vegetação, com o delineamento experimental de casualização por bloco, com quatro repetições por tratamento. Os tratamentos avaliados foram o residual do herbicida Only ® aplicado sob as plantas de arroz CL na safra 2006/2007, nas doses de 0, 100, 150 e 200 g ha -1 d… Show more

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Cited by 11 publications
(4 citation statements)
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“…For plant height, only rates residue were significant, which provided a reduction of about 12% over the zero rate. For corn, this reduction can be up to 62% when the application of imazethapyr+imazapic herbicides occurs 360 days before planting (Pinto et al 2009a) and 35% in application 1100 days before planting (Sousa et al 2012).…”
Section: Experiments With Soil Moisture Above 70% Of Field Capacity Inmentioning
confidence: 99%
“…For plant height, only rates residue were significant, which provided a reduction of about 12% over the zero rate. For corn, this reduction can be up to 62% when the application of imazethapyr+imazapic herbicides occurs 360 days before planting (Pinto et al 2009a) and 35% in application 1100 days before planting (Sousa et al 2012).…”
Section: Experiments With Soil Moisture Above 70% Of Field Capacity Inmentioning
confidence: 99%
“…The use of rice genotypes resistant to imidazolinone herbicides (Clearfield ® System) provides an efficient alternative for the selective control of weedy rice and other species associated with rice cultivation (MARCHESAN et al, 2011;SOUSA;BACARIN;PINTO, 2012;MENEZES et al, 2013).…”
Section: Introductionmentioning
confidence: 99%
“…Due to its high residual activity, having a half-life of over 120 days in the soil, imazapic can cause phytotoxicity in sensitive crops sown in succession (Sousa et al, 2012;Kemmerich et al, 2015). The imazethapyr-imazapic mixture at the 200 g ha -1 dose, under greenhouse conditions, caused reductions in the shoot dry weight of 78, 95, 98 and 100%, respectively, for maize, cucumber, radish and tomato plants at 1,100 days after application (DAA) in an Albaqualf (Planossolo Háplico Eutrófico solódico, according to Embrapa) with 16% of clay (Sousa et al, 2012).…”
Section: Introductionmentioning
confidence: 99%