Yield and Physiological Response of Peanut to Glyphosate Drift

Lassiter, Bridget R.; Burke, Ian C.; Thomas, Walter E.; Pline-Srnić, Wendy A.; Jordan, David L.; Wilcut, John W.; Wilkerson, Gail G.

doi:10.1614/wt-07-045.1

Cited by 29 publications

(57 citation statements)

References 33 publications

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“…However, established common bermudagrass had a GR 50 of 990 g/ha of glufosinate (Webster et al 2004). Lassiter et al (2007) (Table 2); based on ttests, both values were equivalent to those parameter estimates at 30 DAP.…”

Section: Resultsmentioning

confidence: 88%

“…Previous research has evaluated the unintentional effects of glyphosate and dicamba on peanut yield. When glyphosate was applied to peanut plants at 28 days after planting (DAP), rates of 280 g/ha or higher caused significant yield reductions (Lassiter et al 2007). When applied between 75 to 105 DAP, glyphosate at 240, 320, and 470 g/ha reduced peanut yield by 12%, 24%, and 36%, respectively (Grey and Prostko 2010).…”

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confidence: 99%

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Glufosinate Application Timing and Rate Affect Peanut Yield

Prostko

Webster²,

Marshall

et al. 2013

Peanut Science

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Field studies were conducted at 13 locations across the US peanut belt during 2010-2012 to evaluate peanut response to postemergence applications of glufosinate. Glufosinate was applied at 0, 41, 82, 164, 328 and 656 g ai/ha 30, 60, and 90 days after planting (DAP). There was a significant interaction for peanut yield between application time and glufosinate rate; peanut yield data were regressed on rate of glufosinate and fit to a log-logistic dose response curve by application timing. At 30 DAP, peanut yield ranged from 16 to 92% of the non-treated control, with glufosinate at 266 g/ha causing an estimated 50% reduction in yield (Y 50 ). At 60 DAP, peanut yield ranged from 16 to 82% of the nontreated control, with Y 50 5 266 g/ha of glufosinate. Peanut yield when glufosinate was applied at 90 DAP ranged from 20 to 78% of the non-treated control; Y 50 5 187 g/ha of glufosinate, which was lower than that at 30 DAP and indicated greater peanut sensitivity. Peanut plants treated at 30 DAP had more time to recover from glufosinate injury at the lower rates and/or were in a less susceptible stage of growth relative to 90 DAP. These data provide peanut growers across the US with an estimate of potential yield losses associated with mis-application, off-target movement, or sprayer contamination of glufosinate.

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Section: Resultsmentioning

confidence: 88%

mentioning

confidence: 99%

Glufosinate Application Timing and Rate Affect Peanut Yield

Prostko

Webster²,

Marshall

et al. 2013

Peanut Science

Self Cite

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“…, 4 weeks after planting, resulted in yield loss greater than 50% and visual estimates of injury correlated with yield loss (Lassiter et al, 2007). Glufosinate also caused yield loss to peanut when applied less than a normal rate of 538 g ai ha…”

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confidence: 93%

“…Peanut is commonly grown in the proximity of cotton and soybean across the southeast (Lassiter et al, 2007;Prostko et al, 2011;Prostko et al, 2013). Herbicide resistance technology is used in most cotton and soybean cultivars for weed management solutions, and the increased use of glyphosate and glufosinate herbicides throughout the growing season increased the occurrence of accidental injury to sensitive crops like peanut (Grey and Prostko, 2010;Johnson et al, 2012a;Lassiter et al, 2007).…”

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confidence: 99%

The Effect of Dicamba on Peanut When Applied during Vegetative Growth Stages

Blanchett¹,

Grey

Prostko³

et al. 2015

Peanut Science

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The development of dicamba-resistant cotton and soybean cultivars has created great concern about the potential off-target movement of dicamba onto sensitive species, including broadleaf crops. Peanut is often grown in close proximity to cotton and soybean. Therefore, field studies were conducted during 2012 and 2013 at Plains, Ty Ty, and Attapulgus, GA to evaluate peanut response to rates of dicamba (35, 70, 140, 280, and 560 g ae ha 21 ) applied at preemergence (PRE), 10, 20, or 30 d after planting (DAP) corresponding to PRE, V2, V3, and V5 peanut growth stages, respectively. Nontreated controls were included for comparison. As dicamba rate increased, both peanut injury and peanut yield loss increased. Peanut response to dicamba was fit to log-logistic regression models for injury and linear regression models for yield loss. Peanut injury increased with rate of dicamba, but was variable among the locations. A general trend was that peanut plants became more sensitive to dicamba injury as plants approached reproductive stage, as evidenced through a declining linear relationship between I 50 values (i.e. rate of dicamba that elicits a 50% crop response) and timing of application. PRE applications of dicamba had I 50 values that ranged from 125 to 323 g ha 21 of dicamba, while I 50 values were 44 to 48 g ha 21 of dicamba at the V5 peanut growth stage. There was a linear relationship between peanut yield and dicamba rate, with 560 g ha 21 causing maximum yield losses ranging from 0 to 86% when applied PRE, 24 to 82% when applied at V2 growth stage, 30 to 95% when applied at V3 growth stage, and 45 to 88% when applied at V5 growth stage. Across all treatments and locations, there was also a negative linear relationship between peanut yield and peanut crop injury, with a decline of 8.5% yield for every 10% increase in crop injury. Growers and their consultants/extension agents can use this peanut injury data to predict potential peanut yield loss from sprayer contamination or off-target movement of dicamba.

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“…Diversos estudos têm evidenciado os efeitos negativos da deriva de glyphosate em: eucalipto (Tuffi Santos et al, 2005), algodoeiro (Yamashita & Guimarães, 2006), soja (Ellis & Griffin, 2002), milho (Magalhães et al, 2001), arroz irrigado (Ferreira et al, 2006), varjão (Parkia multijuga) , citros (Gravena et al, 2009), amendoim (Lassiter et al, 2007), tomate (Figueredo et al, 2007;Santos et al, 2007), coqueiro (Procópio et al, 2009) e pêssego (Tuffi Santos et al, 2006). Nesses trabalhos foram constatadas mudanças morfológicas e anatô-micas nas folhas, causando diminuição na absorção de nutrientes e favorecendo a incidência de doenças, além de, em muitos casos, provocar menor crescimento e produtividade das culturas.…”

Section: Introductionunclassified

Crescimento de cultivares de café arábica submetidos a doses do glyphosate

et al. 2010

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-This study evaluated the effects of glyphosate on the growth of three arabica coffee cultivars. A factorial (3 x 5) was arranged in a randomized block design with four replications, with treatments consisting of three coffee varieties: Catucaí Amarelo (2 SL), Oeiras (MG-6851) and Topázio (MG-1190) and five glyphosate doses (0, 57.6, 115.2, 230.4 and 460.8 g ha -1). The herbicide was applied when the coffee plants reached 21 pairs of leaves, before reaching their upper third ones. At 45 and 120 days after glyphosate application (DAA), increase in leaf area, stem diameter, number of leaves and plagiotropic branches was evaluated, being initially measured on the day the herbicide was applied, and plant intoxication rate at 10, 45 and 120 DAA. Dry matter of leaves, roots and stem, and root length and density were measured at 120 DAA. Symptoms of coffee plant intoxication caused by glyphosate were similar in different cultivars, being characterized by chlorosis and leaf narrowing. Increase in the number of leaves, plagiotropic branches and stem diameter, regardless of the cultivar, was not affected by glyphosate. Cultivar Topázio was the most sensitive to glyphosate, in terms of accumulation of leaf area, root dry matter and root density.

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Yield and Physiological Response of Peanut to Glyphosate Drift

Cited by 29 publications

References 33 publications

Glufosinate Application Timing and Rate Affect Peanut Yield

Glufosinate Application Timing and Rate Affect Peanut Yield

The Effect of Dicamba on Peanut When Applied during Vegetative Growth Stages

Crescimento de cultivares de café arábica submetidos a doses do glyphosate

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