Efficiency of Certain Herbicides and Adjuvants Combinations Against Weeds in Wheat Fields

Hamouda, Sameh S. A.; El-Tawil, Mohamed; Marzouk, E. M. A.; Khalifa, Hassan

doi:10.21608/eajbsf.2021.138339

Cited by 3 publications

(4 citation statements)

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“…Weed resistance develops when the same herbicide group or type is used repeatedly. Hamouda et al [41] determined that adjuvants help to increase the performance of specific herbicides by reducing interfacial strength and increasing chemical dispersion, which results in more effective weed control with lower doses. This research was designed to evaluate the impact of herbicides with adjuvants on crop growth, development, and yield using different seed rates. )…”

Section: Discussionmentioning

confidence: 99%

Optimizing Seed Rate and Herbicide Doses With or Without Adjuvant for Weed Control and Its Influence on Yield of Winter Wheat

Hussain,

Rafique,

Kaousar

et al. 2024

Pol. J. Environ. Stud.

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A field trial was conducted to evaluate the interactive effect of seed rates and herbicides in combination with adjuvants on weed dynamics and wheat yield. This study was comprised of 3 seed rates; 100 kg h -1 (S1), 130 kg h -1 (S2), 160 kg h -1 (S3), and 3 herbicide dosages (100% recommended dose of Mesosulfuron-methyl + Iodosulfuron-methyl-sodium (H1), 75% of the dose (H2), and 75% dose + adjuvant (H3). The results revealed that average weed density, fresh weight, and dry weight were lower in seed rate 160 kg h -1 by 33.37%, 31.52%, and 28.78% compared to 100 kg h -1 before herbicide application, respectively. After 30 days of herbicide application, weed density, fresh weight, and dry weight were 42.16%, 34.74%, and 40.91% less in treatment with the combination of S3H3 compared with S1H2. Yield and yield parameters were significantly affected by the different seed rates and herbicide dosages. 1000-grain weight, spikelets, and grains/spike were greater in the lower seed rate (100 kg h -1 ) with H3, while the grain yield, biological yield, and harvest index were 26.05%, 21.81%, and 5.39% higher in the treatment S3H3 as compared with S1H2. To achieve optimal grain yield, a seed rate of 160 kg h -1 is recommended, along with 75% of the recommended herbicide dose with adjuvant.

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Section: Discussionmentioning

confidence: 99%

Optimizing Seed Rate and Herbicide Doses With or Without Adjuvant for Weed Control and Its Influence on Yield of Winter Wheat

Hussain,

Rafique,

Kaousar

et al. 2024

Pol. J. Environ. Stud.

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“…Similarly, Javaid et al (2020) also stated that when isoproturon was applied as a foliar spray, the highest biological yield was obtained. Hamouda et al (2021) concluded that the addition of Argal or Techno oil to herbicides spray solutions at reduced rates, especially at three-fourths of the recommended rate resulted in enhancing the herbicidal activity against weeds and increasing wheat grain yield. 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.…”

Section: Discussionmentioning

confidence: 99%

“…The efficiency of herbicides that are used after emergence can be enhanced by adding adjuvants ( Javaid et al, 2012 , 2020 ; Moraes et al, 2021 ). Adjuvants help to reduce herbicide dose and improve its biological activity by altering the surface tension of spray solution, increasing absorption, translocation rate, effect on atomization, and enhanced penetration ( Hamouda et al, 2021 ). Some adjuvants completely alter the chemical composition of herbicide or even cover the plant surface by keeping the herbicide in contact with plant tissue and hence increase the herbicide penetration and binding ability to kill the target plant without damaging the actual crop ( Dubovik et al, 2020 ).…”

Section: Introductionmentioning

confidence: 99%

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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“…During the experiment, pre-test and post-tests were given to the control and experimental groups. According to Hamouda [11], the t-test for independent samples, the paired t-tests, and the Spearman correlation coefficient showed that the development of EFL students' reading comprehension was greatly influenced by the instruction of lexical inference. Thus, the result of Hamouda's study indicated that teachers could use lexical inferencing strategies to improve their EFL students' reading comprehension [11].…”

Section: Lexical Inference Strategy Instructionmentioning

confidence: 99%

Instructional Strategies for Improving English Language Learners Reading Comprehension: A Systematic Review

Chen

2023

LNEP

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English language learners make up the largest portion of English speakers all over the world. Moreover, the population of English language learners is growing fast these days. Therefore, teachers need to learn more effective teaching strategies to handle this rapid change. When studying English, reading comprehension has always been one of the most important skills that students should acquire. This review is a systematic review divided into two parts. The first part focuses on two of What Works Clearinghouses reviews; valuable reading comprehension instruction strategies were sifted out. The second part of the review selects four strategies published recently from 2019-2021. These strategies were chosen to support reading comprehension instruction by improving students vocabulary inference ability, knowledge connection ability, content prediction ability, and motivation.

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Efficiency of Certain Herbicides and Adjuvants Combinations Against Weeds in Wheat Fields

Cited by 3 publications

References 20 publications

Optimizing Seed Rate and Herbicide Doses With or Without Adjuvant for Weed Control and Its Influence on Yield of Winter Wheat

Optimizing Seed Rate and Herbicide Doses With or Without Adjuvant for Weed Control and Its Influence on Yield of Winter Wheat

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

Instructional Strategies for Improving English Language Learners Reading Comprehension: A Systematic Review

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