Residual Activity of 2,4-D Amine on Soybean Plant Development

Oliveira, Elisa Pereira de; Kusano, Daniel Makoto; Pacheco, A. R.; Nardelli, Evandro Michel Valero; Rui, Ricardo Fernando da; Silva, Matheus Gustavo da; Teodoro, Paulo Eduardo; Silva, Carlos Antônio da

doi:10.3923/ja.2015.247.250

Cited by 4 publications

(3 citation statements)

References 9 publications

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“…Khan et al [25] Reported that the shoot and root length of Triticum aestivum and Phalaris minor raised from seeds treated with different concentrations of 2,4 -D, decreased with the increase of 2,4-D concentration. Also, the application of 2,4-D near soybean sowing caused a decrease in shoots and root length [26]. Abelmoschus esculentus treated with 2,4-D at five rates (1-5 ppm) showed a reduction in shoot height and root length decreased after five days of treatment [27].…”

Section: Discussionmentioning

confidence: 99%

Influence of 2,4-dichloro Phenoxy Acetic Acid on Seeds Germination and Early Growth of Mesquite (Prosopis juliflora Swarz) DC Seedlings

Suliman

Elhewairis²,

Elamin³

2023

ARJA

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This study was conducted to evaluate the effect of 2,4-dichloro phenoxy acidic acid (2,4-D) on seed germination and the early growth of mesquite (Prosopis juliflora) seedlings. The three sizes of mesquite at the flowering stage (small, medium, and large) were treated with 2,4-D at different rates (0, 6×103, 12×103, 18×103 and 24×103 mg a.i. / L) dissolved in two solvents (diesel or water), the application method basal bark treatment was used in the two different seasons. The results showed that: the three factors (2,4-D rates, tree sizes, and solvent types) significantly decreased germination percentage with the increase of 2,4-D rate dissolved in diesel with all sizes of trees, while the emergence percentage, radical length, and shoot height were significantly decreased as 2,4-D rate increase dissolved in diesel or water. In the winter season, the root length of seedlings raised from seeds collected from the three tree sizes treated with 2,4-D dissolved in water was significantly decreased as a 2,4-D rate increased, while in the rainy season, the root length was affected with 2,4-D dissolved in diesel. In addition, the effect of 2,4-D rates and solvent types was evaluated for all parameters, the results found that: 2,4-D dissolved in diesel significantly decreased germination percent than the corresponding rates dissolved in water. Emergence percentage and shoot height and radical length were significantly decreased with 2,4-D dissolved in diesel or water compared to their control. In the winter season, the root length is affected by 2,4-D dissolved in water, while in the rainy season affected by 2,4-D dissolved in diesel.

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Section: Discussionmentioning

confidence: 99%

Influence of 2,4-dichloro Phenoxy Acetic Acid on Seeds Germination and Early Growth of Mesquite (Prosopis juliflora Swarz) DC Seedlings

Suliman

Elhewairis²,

Elamin³

2023

ARJA

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“…Soybean is not resistant to 2,4-D and can cause crop injury and subsequent yield decline (Johnson et al 2012;de Oliveira et al 2015). Therefore, 2,4-D has the potential to cause unacceptable crop injury when the crop is seeded too soon after PRE application of this product.…”

Section: Soybean Biomass and Seed Yieldmentioning

confidence: 99%

Herbicide programs for control of glyphosate-resistant canola (Brassica napus) in glyphosate-resistant soybean

et al. 2020

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Glyphosate-resistant (GR) canola is a widely grown crop across western Canada and has quickly become a prolific volunteer weed. Glyphosate-resistant soybean is rapidly gaining acreage in western Canada. Thus, there is a need to evaluate herbicide options to manage volunteer GR canola in GR soybean crops. We conducted an experiment to evaluate the efficacy of various PRE and POST herbicides applied sequentially to volunteer GR canola and to evaluate soybean injury caused by these herbicides. Trials were conducted across Saskatchewan and Manitoba in 2014 and 2015. All treatments provided a range of suppression (>70%) to control (>80%) of volunteer canola. All treatments with the exception of the glyphosate-treated control reduced aboveground canola biomass by an average of 96%. As well, canola seed contamination was reduced from 36% to less than 5% when a PRE and POST herbicide were both used. Moreover, all combinations of herbicides used had excellent crop safety (<10%). All PRE and POST herbicide combinations provided better control of volunteer canola compared with the glyphosate-only control, but tribenuron followed by bentazon and tribenuron followed by imazamox plus bentazon provided solutions that were low cost, currently available (registered in western Canada), and had the potential to minimize development of herbicide resistance in other weeds.

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“…The soil persistence of 2,4-D and dicamba is influenced by several edaphoclimatic characteristics, which alter the rate of herbicide dissipation. Likewise, several reports from greenhouse studies document that is safe soybean planting 3 to 10 days before 2,4-D application (Silva et al 2011, Oliveira et al 2015, Peres-Oliveira et al 2016. There are no reporting in the literature of greenhouse studies about intervals of dicamba application and crop planting, only a study evaluating the effect of simulated rainfall and rates of dicamba applied seven days before soybean planting on the herbicide dissipation (Silva et al 2020).…”

Section: Introductionmentioning

confidence: 99%

Soybean response to preplant application of auxin herbicides at different soil textures

Silva,

Cuchi,

Novello

et al. 2024

CLCS

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Glyphosate-resistant or tolerant broadleaves are often controlled using auxin herbicides before soybean planting. However, a safe interval is essential prior soybean planting, depending on soil properties. In the literature, there is little information about auxin herbicides on the behavior of auxin herbicide at different soil texture. Two soil residual bioassays were conducted in a greenhouse to evaluate response to soybean to preplant applications of 2,4-D and dicamba at different soil textures. Herbicides were applied 28, 21, 14, 7, 3 and 0 days before soybean planting (DBP) and the soil texture consisted 15, 35 and 60 % clay. The residual activity was determined through the injury, plant height and dry weight of soybean at 28 DBP. Soil residues from 2,4-D was less deleterious to soybean than dicamba. The herbicides injury is reduced in clayey soil. Shorter intervals of herbicide application increased the injury and reduce height and dry weight of soybean. Soil texture not influence on height and dry weight from 2,4-D. Dicamba caused high injuries in medium soil compared to clayey and sandy soil, and clayey soil revealed cause lower effect on height and dry weight of soybean. The 2,4-D application in clayey soil reduces the interval to soybean planting, but soil texture not influence on initial soybean development. The 2,4-D application in clayey soil reduces soybean injury, but soil texture not influence on initial soybean development. Up to the 28-days interval, there are no indications of soil texture effect on the herbicide dissipation security for soybean planting.

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Residual Activity of 2,4-D Amine on Soybean Plant Development

Cited by 4 publications

References 9 publications

Influence of 2,4-dichloro Phenoxy Acetic Acid on Seeds Germination and Early Growth of Mesquite (Prosopis juliflora Swarz) DC Seedlings

Influence of 2,4-dichloro Phenoxy Acetic Acid on Seeds Germination and Early Growth of Mesquite (Prosopis juliflora Swarz) DC Seedlings

Herbicide programs for control of glyphosate-resistant canola (Brassica napus) in glyphosate-resistant soybean

Soybean response to preplant application of auxin herbicides at different soil textures

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