Article
Plant Sciences
Rouzbeh Zangoueinejad, Behnaz Sirooeinejad, Mohammad Taghi Alebrahim, Ali Ahsan Bajwa
Summary: The study in southern Iran found significant variation in herbicide tolerance among different Iranian wild melon accessions, with MEL-R1 and MEL-S3 showing the highest tolerance to 2,4-D drift rates. These two accessions were able to produce yield even after the application of 2,4-D at the highest rate tested, indicating their potential for cultivation and breeding programs in regions where this herbicide is commonly used.
Article
Agronomy
Chandrima Shyam, Dallas E. Peterson, Mithila Jugulam
Summary: This study investigated the mechanism of resistance to the herbicide 2,4-D in a Palmer amaranth population collected from a conservation tillage field. The results showed that the resistance was primarily mediated by enhanced metabolism of 2,4-D.
Article
Agriculture, Multidisciplinary
Marcelo R. A. De Figueiredo, Hamlin Barnes, Claudia M. Boot, Ana Beatriz T. B. De Figueiredo, Scott J. Nissen, Franck E. Dayan, Todd A. Gaines
Summary: Amaranthus tuberculatus, a waterhemp plant species resistant to 2,4-dichlorophenoxyacetic acid (2,4-D), has been found to possess rapid metabolic detoxification ability. Through a novel detoxification mechanism, resistant plants hydroxylate 2,4-D into a less toxic metabolite, while susceptible plants conjugate 2,4-D to aspartate. This evolution of detoxification reactions in resistant plants allows for more efficient detoxification of 2,4-D.
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
(2022)
Article
Biochemistry & Molecular Biology
Candelario Palma-Bautista, Pablo Belluccini, Jose G. Vazquez-Garcia, Ricardo Alcantara-de la Cruz, Francisco Barro, Joao Portugal, Rafael De Prado
Summary: The weed Carduus acanthoides L. has started invading GM crop production systems in Argentina, where glyphosate and 2,4-D are commonly used herbicides. In 2020, a population of C. acanthoides was found to have multiple resistance to both herbicides. The resistance mechanism for glyphosate was a Pro-106 mutation in the EPSPS gene, while resistance to 2,4-D was due to enhanced metabolism mediated by cytochrome P450. This is the first reported case of resistance to glyphosate and 2,4-D in C. acanthoides worldwide.
PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY
(2023)
Article
Environmental Sciences
Laise M. Carvalho, Antonio F. Soares-Filho, Maciel S. Lima, Joao F. Cruz-Filho, Taisa C. M. Dantas, Geraldo E. Luz Jr
Summary: The uncontrolled use of pesticides poses a threat to the environment and public health. Researchers studied the remediation of the herbicide 2,4-D by supporting WO(3) and TiO(2) on a molecular sieve, with the sample W-Ti-S(25) showing the highest photocatalytic activity under ultraviolet irradiation.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2021)
Article
Multidisciplinary Sciences
Chandrima Shyam, Dallas E. Peterson, Amit J. Jhala, Mithila Jugulam
Summary: In this study, the inheritance of 2,4-D resistance in a multiple herbicide-resistant Palmer amaranth (KCTR) was investigated. The results suggest that the 2,4-D resistance in KCTR is a nuclear inherited trait controlled by multiple genes. Such resistance can spread both via pollen or seed-mediated gene flow.
SCIENTIFIC REPORTS
(2022)
Article
Plant Sciences
Tiago Gazola, Renato Nunes Costa, Caio Antonio Carbonari, Edivaldo Domingues Velini
Summary: This study evaluated the dynamics of 2,4-D and dicamba in corn straw and their relationship with residual control of weeds. The leaching of the herbicides from the straw was influenced by rainfall amount and drought period, and the presence of the straw exerted a significant physical control effect on weeds. Furthermore, the efficacy of 2,4-D and dicamba varied in controlling different weed species in the absence of straw.
Article
Environmental Sciences
Raissa De Oliveira Mantovani, Dyovana Gomes Pinheiro, Geovana Leticia Fernandes De Oliveira, Stefani Nobrega Perrud, Giovana Rampazzo Teixeira, Gisele Alborghetti Nai, Allice Santos Cruz Veras, Maria Eduarda de Almeida Tavares, Leonardo de Oliveira Mendes, Francis Lopes Pacagnelli
Summary: The study evaluated the effects of 2,4-dichlorophenoxyacetic herbicide on rat hearts, showing that long-term oral consumption of high doses of 2,4-D may induce cardiotoxicity.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2021)
Article
Agronomy
Marcelo L. L. Moretti, Larissa Larroca de Souza
Summary: The use of the herbicide 2,4-D in hazelnut trees can delay natural abscission of the nuts, leading to reduced quality. However, basal-directed applications of 2,4-D did not affect abscission, yield, or quality. Simulated drift of 2,4-D did delay abscission and reduce yield, highlighting the need for drift control measures.
Article
Environmental Sciences
Ramesh Vinayagam, Saivedh Ganga, Gokulakrishnan Murugesan, Gayathri Rangasamy, Ruchi Bhole, Louella Concepta Goveas, Thivaharan Varadavenkatesan, Niyam Dave, Adithya Samanth, V. Radhika Devi, Raja Selvaraj
Summary: In this study, ferric oxide nanoparticles impregnated with activated carbon from Ulva prolifera biomass were synthesized and used for the adsorption of 2,4-Dichlorophenoxyacetic acid (2,4-D). The nanocomposite exhibited a jagged, irregular surface with pores and showed the presence of carbon, oxygen, and iron. Various characterization techniques confirmed the structural and functional properties of the UPAC-Fe2O3 nanocomposite. Adsorption experiments revealed that the nanocomposite followed the Langmuir isotherm and pseudo-second-order kinetic model, indicating monolayer chemisorption. Furthermore, thermodynamic analysis demonstrated the spontaneous and feasible endothermic nature of the adsorption process.
Article
Engineering, Environmental
Maria Emilia Fernandez, Maria del Rosario Morel, Aldana Carolina Clebot, Cristina Susana Zalazar, Maria de los Milagros Ballari
Summary: The study found that a biomixture of wheat stubble and soil was effective in adsorbing and degrading herbicides, with higher adsorption capacity for 2,4-DCP than 2,4-D. Competitive adsorption between 2,4-D and 2,4-DCP was observed, but the rapid degradation of 2,4-DCP indicated efficient removal of contaminants in the system.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2022)
Article
Environmental Sciences
Sonia Gaaied, Miguel Oliveira, Angela Barreto, Abdelfattah Zakhama, Mohamed Banni
Summary: This study is the first to report the DNA damage, gene regulation, and ocular developmental toxicity in zebrafish larvae exposed to environmentally relevant concentrations of 2,4-D herbicide. The findings suggest that high concentrations of 2,4-D can damage the DNA integrity of zebrafish larvae and affect the expression of genes involved in apoptosis and DNA repair. Additionally, early exposure to 2,4-D can also disrupt the structure of the larvae's retina.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2022)
Article
Plant Sciences
Loida M. M. Perez, Ramil Mauleon, Mark A. A. Arick II, Zenaida V. V. Magbanua, Daniel G. G. Peterson, Jeffrey F. D. Dean, Te Ming Tseng
Summary: The cotton chromosome substitution line CS-B15sh exhibited lower injury from 2,4-D compared to Texas Marker-1 (TM-1). RNA sequencing analysis revealed differential expression of genes related to 2,4-D response and herbicide metabolism between CS-B15sh and TM-1. The results suggest a potential tolerance mechanism involving altered movement of 2,4-D in CS-B15sh.
FRONTIERS IN PLANT SCIENCE
(2022)
Review
Agronomy
Xile Deng
Summary: This review provides insights into the mechanisms of herbicide safeners, analyzes existing problems, and anticipates future research directions and potential strategies for the development of new safeners. The aim of this paper is to uncover the mechanisms of safeners and offer guidance for the development of new safeners.
Article
Agronomy
Jeong-In Hwang, Jason K. Norsworthy, Michael M. Houston, Leonard B. Piveta, Grant L. Priess, Maria L. Zaccaro-Gruener, L. Tom Barber, Thomas R. Butts
Summary: The experiment found that the volatilization of 2,4-D choline is not enough to damage nearby sensitive cotton, emphasizing the importance of applicators understanding wind direction and proximity of sensitive crops in the downwind direction during application.
PEST MANAGEMENT SCIENCE
(2022)