Sorption and desorption behavior of herbicide clomazone in soils from Brazil

Pereira, Gustavo Antônio Mendes; Rodrigues, Dayana Alves; Fonseca, Letícia Assis Barony Valadares; Passos, Ana Beatriz Rocha de Jesus; Silva, Marcos Raphael Freitas da; Silva, Daniel Valadão; Silva, Antônio Alberto da

doi:10.14393/bj-v34n6a2018-39492

Cited by 5 publications

(3 citation statements)

References 8 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…This is coherent with several published studies that also report more sorption of clomazone and other non-ionic pesticides as soil organic matter content increases (e.g. Benoit et al 43 , Li et al 44 and Pereira et al 45 ). However, these results are in contrast with those of Gómez et al 37 who found that soil pH was the major contributor to BS sorption in the same rice soils as those used in this study.…”

Section: Studies Of the Sorption And Desorptionsupporting

confidence: 92%

How the environmental fate of clomazone in rice fields is influenced by amendment with olive‐mill waste under different regimes of irrigation and tillage

Fernández

Gómez

Albarrán

et al. 2019

Pest Management Science

View full text Add to dashboard Cite

BACKGROUND Irrigation and tillage systems alone or in combination with organic amendments can strongly influence soil properties, which in turn may also modify the environmental fate of any pesticides applied. This study was aimed at determining how amendment with composted olive‐mill waste (W) influenced leaching, sorption, and persistence of the herbicide clomazone in rice field soils under different tillage and irrigation management practices. The field trial conducted covered 3 years in succession, with six treatments: irrigation by sprinkler and conventional tillage without (ST) or with W application (80 Mg ha−1) (STW), irrigation by sprinkler but no tillage (SNT), irrigation by sprinkler but no tillage with W application (SNTW), and continuous flooding irrigation and tillage without (FT) and with W application (FTW). RESULTS Application of W significantly increased the adsorption of clomazone to soil in the first and third years. In the first year, the persistence of clomazone under aerobic (t1/2 = 33.1–36.3 days) and anaerobic incubation conditions (t1/2 = 3.43–10.8 days) decreased after W application to t1/2 values in the ranges 18.1–29.7 and 3.06–5.44 days, respectively. However, in the third year, although clomazone persistence increased significantly in SNT and ST when W was applied under both incubation conditions, it decreased significantly in FT management under anaerobic incubation conditions. The addition of W led to less leaching of clomazone, particularly for the FT case where the herbicide leaching losses were 2.8 and 2.6 times lower in the first and third years after W addition, respectively. CONCLUSIONS Using W as an organic amendment could be regarded as an invaluable strategy to reduce water contamination by clomazone in rice production, especially under traditional tillage and flooding management. © 2019 Society of Chemical Industry

show abstract

Section: Studies Of the Sorption And Desorptionsupporting

confidence: 92%

How the environmental fate of clomazone in rice fields is influenced by amendment with olive‐mill waste under different regimes of irrigation and tillage

Fernández

Gómez

Albarrán

et al. 2019

Pest Management Science

View full text Add to dashboard Cite

show abstract

“…In the case of oxyfluorfen, in recent years, several producers have reported that this product has presented a loss of efficiency, however without scientific proof so far. The physicochemical characteristics of the molecules are important to understand its behavior in the soil, especially its persistence in the control of weeds (Pereira et al, 2018).…”

Section: Methodsmentioning

confidence: 99%

Association of Indaziflam and Oxyfluorfen in Coffee Pre- Transplantation

Pucci

Fukada²,

Pereira³

et al. 2019

C.Sci.

Self Cite

View full text Add to dashboard Cite

Weed management in the pre-transplantation of coffee plants is an essential condition for the future success of the crop. Currently, the producer has few options to perform chemical management at this stage. Therefore, one of the solutions that is being used is the tank mixing of products proven efficient with new products on the market, such as indaziflam. The objective of this study is to know the selectivity of indaziflam, associated or not with oxyfluorfen, in coffee pre-planting and its effectiveness in weed control. Thus, the following treatments were tested in the field: indaziflam (25 g ha-1 a.i.), indaziflam (50 g ha-1 a.i.), oxyfluorfen (960 g ha-1 a.i.), indaziflam (25 g ha-1 a.i.) + oxyfluorfen (960 g ha-1 a.i.), indaziflam (50 g ha-1 a.i.) + oxyfluorfen (960 g ha-1 a.i.), plus a weeded and a non-weeded control. All treatments caused low intoxication in the seedlings, but without impairing the development and orphological variables of the plants. The treatments were efficient in controlling the species Bidens pilosa L., Commelina benghalensis L., Urochloa decumbens, Emilia fosbergii and Melampodium perfoliatum until 68 days after application. At 104 days, it was observed that there was a reduction in the efficiency of the products. It is concluded that the associated use of indaziflam and oxyfluorfen does not cause intoxications capable of interfering with the development of coffee plants. The association of these herbicides or their isolated applications is efficient in the control of weeds in the pre-transplantation of coffee plants, and the choice of the best management strategy is dependent on the weed community present in each area.

show abstract

“…It has been known that soils with high content of clay and organic matter adsorb herbicide molecules more and tend to mitigate effects of phytotoxicity in crops (Monquero et al, 2008). In addition, soil humidity significantly influences the behavior of these herbicides in weed control (Pereira et al, 2018).…”

Section: /7mentioning

confidence: 99%

Selectivity of pre-emergent herbicides in bird’s-foot trefoil crops

Agostinetto

Silva

Zandoná

et al. 2020

Agraria

View full text Add to dashboard Cite

Competition with weeds and lack of selective herbicides registered for bird's-foot trefoil crops affect their development and limit productivity. Therefore, this study aimed at evaluating selectivity of pre-emergent herbicides in bird's-foot trefoil crops. Experiments were carried out in a greenhouse and on a field where the following herbicides were evaluated and compared with the control: imazethapyr, diclosulam, flumetsulam, metribuzin, s-metolachlor, sulfentrazone, clomazone and isoxaflutole. Regarding variables under evaluation, phytotoxicity (PHYTO), plant stature, dry mass of the aerial part (DMAP) and dry mass of roots (DMR) were evaluated in the greenhouse, while plant population, PHYTO and DMAP were assessed on the field. The criterion to determine selectivity were: PHYTO below 15% and not reducing the plant population nor morphological variables, by comparison with the control. The variables were negatively affected by the herbicides clomazone, metribuzin, isoxaflutole, diclosulam, s-metolachlor, in which the crop population was reduced in 98, 92, 83, 63, 48 and 22%, respectively. Following the criteria, only the herbicide sulfentrazone as a pre-emergente is selective to bird's-foot trefoil crop (cultivar 'São Gabriel').

show abstract

Sorption and desorption behavior of herbicide clomazone in soils from Brazil

Cited by 5 publications

References 8 publications

How the environmental fate of clomazone in rice fields is influenced by amendment with olive‐mill waste under different regimes of irrigation and tillage

How the environmental fate of clomazone in rice fields is influenced by amendment with olive‐mill waste under different regimes of irrigation and tillage

Association of Indaziflam and Oxyfluorfen in Coffee Pre- Transplantation

Selectivity of pre-emergent herbicides in bird’s-foot trefoil crops

Contact Info

Product

Resources

About