Response of Soybean to Halosulfuron Herbicide

Nandula, Vijay K.; Poston, Daniel H.; Reddy, K. N.; Whiting, K.

doi:10.1155/2009/754510

Cited by 12 publications

(10 citation statements)

References 11 publications

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“…For percent visual injury and plant height reduction, regression analysis determined the relationship of each variable to dicamba rate and is best described by a three-parameter sigmoidal equation (Nandula et al 2009). The regression equation for each variable was computed using Sigma Plot (Sigma Plot, version 12.5; Systat Software Inc., San Jose, CA). …”

Section: Methodsmentioning

confidence: 99%

“…For soybean mature height and yield, we observed a significant dicamba rate–by–growth stage interaction. Regression analysis determined the relationship of each variable to dicamba rate and is best described as a nonlinear exponential decay model (Nandula et al 2009; White and Boyd 2016). Regression equations for each variable were computed using Sigma Plot. …”

Section: Methodsmentioning

confidence: 99%

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Injury Criteria Associated with Soybean Exposure to Dicamba

Foster

Griffin

2018

Weed Technol

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Research conducted in the field identified 14 injury criteria associated with dicamba (Clarity® diglycolamine salt) applied at 0.6 to 280 g ae ha–1(1/1,000 to 1/2 of 560 g ha–1use rate) to indeterminate soybean at V3/V4 or R1/R2. For each criterion, injury was rated using a scale of 0=no injury, 1=slight, 2=slight to moderate, 3=moderate, 4=moderate to severe, and 5=severe. Greatest crop injury 15 d after treatment (DAT) was observed for dicamba rates of 0.6 to 4.4 g ha–1for upper canopy pale leaf margins (3.8 to 4.2) at V3/V4 and for terminal leaf cupping (4.1 to 5.0) at R1/R2, and for rates of 0.6 to 8.8 g ha–1for upper canopy leaf cupping (3.8 to 4.8) and upper canopy leaf surface crinkling (3.4 to 4.4) at V3/V4. Injury 15 DAT was equivalent to the nontreated control for dicamba rates as high as 4.4 g ha–1for lower stem base swelling at V3/V4 and for upper canopy leaf rollover/inversion and terminal leaf necrosis at R1/R2; for rates as high as 8.8 g ha–1for leaf petiole base swelling and stem epinasty at R1/R2, and lower stem base lesions/cracking (V3/V4 and R1/R2 average); and for rates as high as 17.5 g ha–1for lower leaf soil contact at V3/V4 and leaf petiole droop at R1/R2. The response to increasing dicamba rate observed for the injury criteria was in contrast to the steady increase in visual injury and plant height reduction rated as 0 to 100%. The moderate to severe upper canopy leaf cupping, pale leaf margins, and leaf surface crinkling, and terminal leaf cupping 15 DAT with dicamba at 0.6 to 4.4 g ha–1corresponded to soybean yield loss of 1% to 9% for application at V3/V4 and 2% to 17% at R1/R2.

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Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Injury Criteria Associated with Soybean Exposure to Dicamba

Foster

Griffin

2018

Weed Technol

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“…Outro ponto a ser ressaltado é que o herbicida halosulfuron (69 g ha -1 i.a.) apresentou-se tolerante para soja STS  (Nandula et al, 2009). Portanto, devido a sua eficácia no controle de muitas plantas daninhas e sua seletividade para cultivares STS  , pode vir a ser empregado em associação com glyphosate no manejo de plantas daninhas em soja RR  /STS  .…”

Section: Resultsunclassified

Eficácia de herbicidas isolados e em associações no controle em pós‑emergência de plantas daninhas

et al. 2018

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Resumo -É essencial a rotação de mecanismos de ação de herbicidas no manejo de plantas daninhas resistentes ao glyphosate, neste contexto o uso de herbicidas inibidores da enzima ALS em associação pode auxiliar no controle. O objetivo do trabalho foi avaliar a eficácia de sulfometuron, chlorimuron e outras sulfonilureias, isolados ou em associação com glyphosate, no controle de amendoim-bravo, corda-de-viola e picão-preto. Foram realizados três experimentos em casa-de-vegetação, em delineamento inteiramente casualizado, com quatro repetições. Os tratamentos corresponderam aos herbicidas aplicados em pós-emergência das plantas daninhas mais a testemunha (sem aplicação), quando estas estavam com duas folhas completamente desenvolvidas. Os resultados evidenciaram que sulfometuron (15 g ha -1 i.a.) + chlorimuron (20 g ha -1 i.a.) + glyphosate (960 g ha -1 e.a.), foi eficaz no controle de amendoim-bravo, e o tratamento halosulfuron (80 g ha -1 i.a.) + glyphosate (960 g ha -1 e.a.) propiciou controle de 76,25%. A aplicação de sulfometuron (15 g ha -1 i.a.) + chlorimuron (20 g ha -1 i.a.) + glyphosate (960 g ha -1 e.a.), foi eficaz no controle de corda-de-viola. Todos os tratamentos herbicidas foram eficazes no controle em pós-emergência de picão-preto. Palavras-chave: sulfonilureias, manejo químico, associação de herbicidas, Euphorbia heterophylla, Ipomoea purpurea, Bidens subalternans Abstract -It is essential the rotation of mechanisms of action in the management of glyphosate resistant weeds, in this context the use of ALS inhibitor herbicides in association can aid in the control. The aim of this work was to evaluate the efficacy of sulfometuron, chlorimuron and other sulfonylureas, isolated and in associations in the control of Wild Poinsettia, Morning Glory and Greater Beggarticks. Three greenhouse experiments were carried out in a completely randomized design with four replications. The treatments corresponded to the herbicides applied in post-emergence of the weed plus the control (without application), when these were with two completely developed leaves. The results showed that sulfometuron (15 g ha -1 a.i.) + chlorimuron (20 g ha -1 a.i.) + glyphosate (960 g ha -1 a.e.) was effective in the control of Wild Poinsettia, and halosulfuron treatment (80 g ha -1 a.i.) + glyphosate (960 g ha -1 a.e.) provided a control of 76.25%. The application of sulfometuron (15 g ha -1 a.i.) + chlorimuron (20 g ha -1 a.i.) + glyphosate (960 g ha -1 a.e.) was effective in the control of Morning Glory. All herbicides treatments were effective in the post-emergence control of Greater Beggarticks.

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“…The halosulfuron herbicide was shown to be effective in weed control and selective for STS soybeans (NANDULA et al, 2009). The application of this herbicide, isolated or in combination, is also reported as effective in controlling weeds, such as Armoracia rusticana (JOHANNING et al, 2016), Chenopodium album, Amaranthus retroflexus, and Ambrosia artemissifolia (LI et al, 2016).…”

Section: Discussionmentioning

confidence: 99%

Herbicide management in glyphosate and sulfonylurea-tolerant soybeans

et al. 2020

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There is little information on the efficacy and selectivity of sulfonylureas, isolated and in association with glyphosate, in glyphosate and sulfonylurea-tolerant soybeans. Thus, the present study aims to evaluate the efficacy of weed control and selectivity of sulfonylureas, isolated and in association with glyphosate, at post-emergence (V4) of RR2/STS soybean. The experiments were conducted in the in areas located in Piracicaba City, São Paulo State (SP), Brazil (experiment I) and Palotina City, Paraná State (PR), Brazil (experiment II). Treatments were composed of application of the herbicides sulfometuron, chlorimuron, halosulfuron, ethoxysulfuron and glyphosate, isolated and in association, in the BMX Garra RR2/STS cultivar. Experiment I was conducted focusing on the evaluation of the efficacy of weed control; whereas experiment II focused mainly on the evaluation of herbicide selectivity. The experimental design was the randomized complete block, with four replications. Crop injury, weed control, and variables related to agronomic performance were evaluated. Data were submitted to analysis of variance, and the means of the treatments were compared with the Tukey test. Sulfonylureas in association with glyphosate were effective in weed control and selective for the BMX Garra RR2/STS soybean cultivar. The sulfometuron + chlorimuron + glyphosate association presented phytotoxic potential for the BMX Garra RR2/STS cultivar.

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Response of Soybean to Halosulfuron Herbicide

Cited by 12 publications

References 11 publications

Injury Criteria Associated with Soybean Exposure to Dicamba

Injury Criteria Associated with Soybean Exposure to Dicamba

Eficácia de herbicidas isolados e em associações no controle em pós‑emergência de plantas daninhas

Herbicide management in glyphosate and sulfonylurea-tolerant soybeans

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