Use of Adjuvants to Optimize the Activity of Two Broad-Spectrum Herbicides for Weed Control in Wheat

Abbas, Naheed; Tanveer, Asif; Ahmad, Tanvir; Amin, Muhammad

doi:10.1590/s0100-83582018360100126

Cited by 4 publications

(4 citation statements)

References 10 publications

(4 reference statements)

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“…Single-component adjuvants can limit only some factors, so the use of multicomponent and multifunctional adjuvants is essential [35]. The results indicate that appropriately selected multicomponent adjuvants increase herbicide efficacy [36]; the results of our own research confirm these reports. The EXP multicomponent adjuvants improved the effectiveness of the used herbicides.…”

Section: Discussionsupporting

confidence: 73%

Effect of Multifunctional Adjuvants on Physical and Chemical Features of Spray Liquid and Efficacy in Sugar Beet

et al. 2023

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In the period 2017–2019, field experiments were conducted at the Research and Education Center Gorzyń, unit Złotniki (52°486′ N; 16°819′ E), Poznan University of Life Sciences, at the Luvisols, under natural weather conditions, to evaluate the effect of multifunctional methylated seed oil (EXP 1, 2, and 3) and standard adjuvants (AtB and S) on the efficacy of mixtures phenmedipham + ethofumesate and metamitron applied in full (PEM 1) and reduced rates (PEM 2) in sugar beet. Field studies were carried out and three applications of herbicides were administrated subsequent to the emergence of weeds (BBCH 11–12). PEM applied at reduced rates with EXP was more effective than after AtB and S adjuvants. They enabled the attainment of high and consistent efficacy of herbicides (with EXP—96–97%, AtB—97%, S—95%, compared to PEM 1—93%, and PEM 2—82%), irrespective of varying weather conditions during, and subsequent to, their application. The sugar beet root yield from herbicide treatments after tested adjuvants was higher than from the untreated control and after application of reduced rates of herbicides without adjuvants.

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Section: Discussionsupporting

confidence: 73%

Effect of Multifunctional Adjuvants on Physical and Chemical Features of Spray Liquid and Efficacy in Sugar Beet

et al. 2023

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“…This might be due to the maximum weed control in wheat along with no injury caused by the use of this herbicide quantity and adjuvant. These findings were supported with the study of Abbas et al (2018a) who described that if the herbicide is applied in combination with adjuvants, it will control weeds better and ultimately increase the grain yield.…”

Section: Discussionsupporting

confidence: 57%

Efficacy of Metribuzin Doses on Physiological, Growth, and Yield Characteristics of Wheat and Its Associated Weeds

et al. 2022

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Weeds cause a serious constraint to wheat productivity. Chemical weed control is considered the most effective method to control weeds; however, a suitable dose and combination of herbicide with adjuvants play a vital role in controlling weeds and producing maximum wheat production. A field study was conducted to investigate the effectiveness of various doses of metribuzin alone or in combination with adjuvants [Bio-power (alkyl ether sulfates and sodium salts) and Ad-500 (fatty alcohol ethoxylate)] on the growth and yield of wheat and its associated weeds. Metribuzin at 175, 140, and 105 g a.i ha–1, each in combination with adjuvants (Bio-power or Ad-500) at 400 ml ha–1, were sprayed. A weedy check was also included as a control treatment. The wheat crop was infested with Fumaria indica, Melilotus indica, Anagallis arvensis, and Phalaris minor, and metribuzin with or without adjuvant was sprayed at two- to four-leaf stage of the weeds. The photosynthetic activity, weed population of each weed, and biomass of each weed was significantly affected by all herbicides along with the adjuvant. However, maximum inhibition of tested weeds was observed where metribuzin at 175 g a.i ha–1 + Bio-power at 400 ml ha–1 were sprayed. Metribuzin sprayed at 175 g a.i ha–1 with or without Bio-power recorded a maximum 1,000-grain weight, biological yield, and grain yield. Conclusively, metribuzin sprayed at 175 g a.i ha–1 + Bio-power at 400 at ml ha–1 have the potential to improve wheat yield by inhibiting weed growth, and Bio-power was superior to Ad-500 in improving the efficacy of metribuzin against weeds of wheat crop.

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“…The reason is due to the efficiency of the herbicide, which belongs to the sulfonylurea family of herbicides and is classified as an ALS (acetolactate synthase) inhibitor ,the herbicides mode of action by inhibiting the synthesis of amino acids, This prevents the cell division of weeds plants and their growth. Selectivity is caused by differences in the metabolism of sulfonylureas group between crops and weeds [15]. while the results of the interaction between the varieties and the herbicide were recorded to be superior to the SURAGE R.C treatment With Tal Afar 3 variety and SURAGE + 25 with Wafia variety, the lowest weight of the total weed was recorded at 53.293 and 52.653 g.m 2 , with an efficiency rate of 59.16% and 67.23%, respectively, compared to the control treatment for each of them.…”

Section: Dry Weight Of Total Weeds (Gm 2 )mentioning

confidence: 99%

Evaluation of Efficiency Different Concentrations of SURAGE Herbicides on the Growth and Yield of Two Varieties of Wheat (Triticum aestivum L.) and Associated Weeds

Wahab,

Aljuburi

2023

IOP Conf. Ser.: Earth Environ. Sci.

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The experiment, was carried out during the 2021-2022 agricultural season in two locations, the first location in AlNamrood, district, 40 km south east of the city center, and the second location in Tal kaif district, 15 km north of the city center, with different soil textures, in to evaluate the efficiency of different concentrations of SURAGE and varieties in growth and wheat (Triticum aestivum L.) and associated weeds. The experiment include two factors, The first was two Varieties of wheat (Tal Afar 3 and Wafia) and the second factor was SURAGE herbicide with three concentrations (SURAGE -25, SURAGE R.C and SURAGE +25), control treatment was SURAGE -25 (25% less than the recommended concentration, 75% a.i. of the recommended concentration), SURAGE R.C. (100%, a.i. the recommended concentration), SURAGE +25 (more than the recommended concentration by 25%, a.i. 125% of the recommended concentration) in addition of control. The experiment application according factorial experiment system (split-plot) using RCBD and Duncan’s multiple range test was used to compare average the treatment. The most important results can be SURAGE R.C. and SURAGE + 25 have the lowest total weight of weeds with an efficiency rate of 61.83% and 58.8%, respectively in AlNamrood location, and treatment SURAGE + 25 in Tal kaif location efficiency rate of 39.53%. have treatment SURAGE R.C. the highest yield at Al-Nimrod and Tal kaif location was 60.83% and 51.04% for AlNamrood and Tal kaif location, respectively.

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Use of Adjuvants to Optimize the Activity of Two Broad-Spectrum Herbicides for Weed Control in Wheat

Cited by 4 publications

References 10 publications

Effect of Multifunctional Adjuvants on Physical and Chemical Features of Spray Liquid and Efficacy in Sugar Beet

Effect of Multifunctional Adjuvants on Physical and Chemical Features of Spray Liquid and Efficacy in Sugar Beet

Efficacy of Metribuzin Doses on Physiological, Growth, and Yield Characteristics of Wheat and Its Associated Weeds

Evaluation of Efficiency Different Concentrations of SURAGE Herbicides on the Growth and Yield of Two Varieties of Wheat (Triticum aestivum L.) and Associated Weeds

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