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Application of Post-Emergence ALS Inhibitor Herbicides Associated or Not to Glyphosate in RR/STS Soybean Planta Daninha
SILVA,A.F.M.; ALBRECHT,A.J.P.; ALBRECHT,L.P.; VICTORIA FILHO,R.; GIOVANELLI,B.F..
ABSTRACT The aim of this study was to evaluate the selectivity of ALS inhibitor herbicides, applied isolated and associated with glyphosate in post-emergence of soybean cultivar presenting the RR/STS technologies. The experimental design was a randomized block with four replications and ten treatments. The treatments consisted of the application of glyphosate and ALS inhibitors herbicides, isolated and associated with glyphosate. The application of treatments occurred in V4 stage of plant development. The evaluation of phytointoxication, SPAD index was conducted, as well as variables related to agronomic performance (height, number of pods per plant, yield and mass of a thousand seeds). Yet additional test with the same cultivar and treatment was conducted...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Sulfonylurea tolerant soybeans; Phytointoxication; Chemical management; Glycine max.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83582016000400765
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Susceptibility Among Populations of Crabgrass to Herbicides Inhibiting Photosystem II Planta Daninha
LUCIO,F.R.; BARROSO,A.A.M.; TOLEDO,R.E.B.; PITELLI,R.A.; VICTORIA FILHO,R..
ABSTRACT: Weed interference reduces the productive potential of crops. Among the control methods used, chemical ones occupy a major position. The repeated application of the same mechanism of action selects tolerant plants. Among the species that affect sugarcane, crabgrass is one of them. This study has aimed to know the tolerance of different populations of this species to herbicides inhibiting photosystem II. Three populations were collected, identified and submitted to the application of ametryn and diuron herbicides in ten different doses, and the experiment was conducted in a experimental design of complete randomized blocks with four repetitions in a factorial arrangement of 10 x 3 (10 doses x 3 populations), being one trial for each herbicide....
Tipo: Info:eu-repo/semantics/article Palavras-chave: Digitaria horizontalis; Ametryn; Diuron; Tolerance; Resistance.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83582018000100242
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Rates of Nicosulfuron Applied in Glyphosate-Tolerant and Sulfonylurea-Tolerant Soybean Planta Daninha
SILVA,A.F.M.; ALBRECHT,A.J.P.; SILVA,G.S.; KASHIVAQUI,E.S.F.; ALBRECHT,L.P.; VICTORIA FILHO,R..
ABSTRACT: STS cultivars tolerate up to four times higher rates of chlorimuron than those recommended for non-tolerant cultivars, without significant damage. However, few studies position the selectivity of nicosulfuron in STS cultivars. The aim of this study was to assess the selectivity of rates of the herbicide nicosulfuron applied in the post-emergence (V4) of RR/STS soybean. The experiments were conducted in the 2015/16 and 2016/17 seasons in Piracicaba, SP. In the 2016/17 season, the experiment was also conducted in Palotina, PR. Treatments consisted of six rates of the herbicide nicosulfuron (0, 50, 100, 150, 200, and 250 g a.i. ha-1). The experimental design was a randomized block design with four replications. The symptoms of injury were assessed...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Herbicide-tolerant crops; ALS inhibitors; Agronomic performance; Selectivity; Glycine max (L.) Merrill.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83582019000100209
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