Phytotoxic effect of the insecticide imidacloprid in Phaseolus vulgaris L. plant and evaluation of its bioaccumulation and translocation by electrochemical methods

Ajermoun, N.; Aghris, S.; Ettadili, F.E.; Alaoui, Ouafa Tahiri; Laghrib, F.; Farahi, A.; Lahrich, S.; Bakasse, M.; Saqrane, S.; Mhammedi, M.A. El

doi:10.1016/j.envres.2022.113794

Cited by 8 publications

(6 citation statements)

References 79 publications

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“…It may also be due to differences in initial tree health at the start of the study and larger differences may have developed with more years of recovery. It is possible that the phytotoxic effects of imidacloprid [18,19] are working antagonistically against improvements in health due to beetle control reducing any improvements in needle gas exchange. However, similar to our study, Preston et al [22] found significant, but only slight improvements in gas exchange in hemlock where HWA was controlled with Laricobus nigrinus beetles and not imidacloprid.…”

Section: Discussionmentioning

confidence: 99%

“…Imidacloprid is a systemic neonicotinoid insecticide widely used and effective for controlling HWA [16,17] and was selected for use to control HWA in this study. However it is known to be phytotoxic [18,19] and can change leaf optical properties in a manner that would reduce photosynthetic potential [17]; therefore, this study is not examining the isolated effects of HWA on leaf gas exchange, but rather the effect of HWA control using imidacloprid. The specific objectives of this study were to: examine initial changes in needle physiology (leaf-level photosynthesis, conductance, water use efficiency) and bud break in response to HWA control with imidacloprid and examine the impact of imidacloprid control on hemlock chlorophyll fluorescence at sites with various levels of decline due to HWA.…”

Section: Introductionmentioning

confidence: 99%

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Effects of Hemlock Woolly Adelgid Control Using Imidacloprid on Leaf-Level Physiology of Eastern Hemlock

McDonald

Seiler

Wang

et al. 2023

Forests

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Widespread mortality of eastern hemlock (Tsuga canadensis [L.] Carr.) has been occurring due to the introduction of hemlock woolly adelgid (Adelges tsugae Annand) (HWA), threatening millions of hectares of hemlock-dominated forests in the eastern United States. HWA feeds at the base of needles and removes stored carbohydrates, which can impact leaf-level physiology, contributing to the decline of the tree. However, these physiological mechanisms in HWA-infested hemlocks are still not clearly understood. We investigated hemlock leaf physiology year-round at three forested sites with various degrees of infestation. At each site, half the trees were treated with imidacloprid (Merit® 2 F, Bayer, Kansas City, MO, USA) while the rest were left untreated. Imidacloprid is widely used to control HWA but can itself have phytotoxic effects. After one growing season, there was an increase in photosynthetic rates (7.5%, p = 0.0163) and stomatal conductance (7.1%, p = 0.0163) across sites in the trees treated with imidacloprid. After two years, the imidacloprid treatment also increased bud break from 22.5% to 88.7% at Fishburn (the most severely impacted site) and from 22.7% to 58.9% at Mountain Lake (the least impacted site), and slightly increased chlorophyll fluorescence for treated trees at Fishburn. Chemical treatment also slightly increased water use efficiency at Mountain Lake. These results suggest that HWA is causing tree mortality largely through a reduction in leaf area caused by decreasing bud break and also by a slight, but significant, reduction in leaf-level photosynthesis and stomatal conductance.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Effects of Hemlock Woolly Adelgid Control Using Imidacloprid on Leaf-Level Physiology of Eastern Hemlock

McDonald

Seiler

Wang

et al. 2023

Forests

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“…Reactive oxygen species are very unstable and can disrupt the cytoskeleton, induce energy metabolism imbalance, and damage DNA, resulting in chromosomal abnormalities [ 37 , 54 ]. DNA damage is an initial biological phenomenon that can impair biological structures and processes, and cause genotoxic syndromes that are associated with the development of carcinogenic processes [ 21 , 22 , 23 ]. Several factors, including DNA damage caused by insecticides, promote carcinogenic developments in a broad range of species, as per a recent analysis [ 24 ].…”

Section: Discussionmentioning

confidence: 99%

“…A few studies reported the genotoxic nature of commercial preparations of methomyl [ 17 , 18 , 19 , 20 ]. DNA damage is an initial biological phenomenon that has the potential to disrupt biological structures and processes, and cause genotoxic syndromes linked to carcinogenic processes [ 21 , 22 , 23 ]. According to recent analysis, a wide range of species experience carcinogenic developments for a variety of reasons, including DNA damage caused by chemical pollutants [ 24 ].…”

Section: Introductionmentioning

confidence: 99%

“…According to recent analysis, a wide range of species experience carcinogenic developments for a variety of reasons, including DNA damage caused by chemical pollutants [ 24 ]. In addition, the fitness and reproductive success of natural biota could be affected by unrepaired or incorrectly repaired DNA damage in germ cells, which would eventually result in a long-term decline in the quality of the ecosystem [ 22 , 25 ]. In order to understand the toxicity caused by insecticides on nontarget entities such as plants, the present investigation assesses the action of the most widely used insecticides, ME and IM, on the mitotic and meiotic cells of plants using P. sativum L. as an experimental model.…”

Section: Introductionmentioning

confidence: 99%

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Exposure of Pisum sativum L. Seeds to Methomyl and Imidacloprid Cause Genotoxic Effects in Pollen-Mother Cells

Siddiqui

Alrumman

2022

Biology

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Pesticides are commonly used in modern agricultural systems to protect the plants from pests. Even though they potentially increase the crop yield, they have undesirable toxic effects on the consumers of plant products and nontarget host plants. However, there are limited studies to demonstrate the cytological changes induced by pesticides on plant cells. In the present study, we assess the cytological changes induced by two most commonly used insecticides, methomyl (ME) and imidacloprid (IM), using Pisum sativum L. as model plant system. P. sativum seeds were exposed to various concentrations of ME and IM (0.1, 0.2, 0.3, 0.4 and 0.5%) for 1, 3, and 6 h, and their effects on seed germination (SG), radicle length (RL), mitotic index (MI), chromosomal aberrations frequency (CAF), and micronucleus frequency (MNF) were studied. The results indicate that these insecticides decrease MI in root-tip cells, and increase in the MNF in pollen-mother cells in a dose-dependent manner. Additionally, insecticide-treated groups showed a dose- and time-dependent increase in the percentage of aberrant meiotic cells. Clumped nuclei (CNU), stickiness (STC), bridges (BRs), laggards (LGs), secondary association (SA), and precocious separation (PS) were among the frequently observed anomalies. The findings of this study indicate that commonly used insecticides ME and IM have substantial genotoxic effects on the root-tip and pollen-mother cells of P. sativum L.

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5-Aminolevulinic acid treatment mitigates pesticide stress in bean seedlings by regulating stress-related gene expression and retrotransposon movements

Yuksel,

Aydin,

Agar

et al. 2024

Protoplasma

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Overdoses of pesticides lead to a decrease in the yield and quality of plants, such as beans. The unconscious use of deltamethrin, one of the synthetic insecticides, increases the amount of reactive oxygen species (ROS) by causing oxidative stress in plants. In this case, plants tolerate stress by activating the antioxidant defense mechanism and many genes. 5-Aminolevulinic acid (ALA) improves tolerance to stress by acting exogenously in low doses. There are many gene families that are effective in the regulation of this mechanism. In addition, one of the response mechanisms at the molecular level against environmental stressors in plants is retrotransposon movement. In this study, the expression levels of superoxide dismutase (SOD), ascorbate peroxidase (APX), catalase (CAT), glutathione reductase (GR), and stress-associated protein (SAP) genes were determined by Q-PCR in deltamethrin (0.5 ppm) and various doses (20, 40, and 80 mg/l) of ALA-treated bean seedlings. In addition, one of the response mechanisms at the molecular level against environmental stressors in plants is retrotransposon movement. It was determined that deltamethrin increased the expression of SOD (1.8-fold), GPX (1.4-fold), CAT (2.7-fold), and SAP (2.5-fold) genes, while 20 and 40 mg/l ALA gradually increased the expression of these genes at levels close to control, but 80 mg/l ALA increased the expression of these genes almost to the same level as deltamethrin (2.1-fold, 1.4-fold, 2.6-fold, and 2.6-fold in SOD, GPX, CAT, and SAP genes, respectively). In addition, retrotransposon-microsatellite amplified polymorphism (REMAP) was performed to determine the polymorphism caused by retrotransposon movements. While deltamethrin treatment has caused a decrease in genomic template stability (GTS) (27%), ALA treatments have prevented this decline. At doses of 20, 40, and 80 mg/L of ALA treatments, the GTS ratios were determined to be 96.8%, 74.6%, and 58.7%, respectively. Collectively, these findings demonstrated that ALA has the utility of alleviating pesticide stress effects on beans.

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Phytotoxic effect of the insecticide imidacloprid in Phaseolus vulgaris L. plant and evaluation of its bioaccumulation and translocation by electrochemical methods

Cited by 8 publications

References 79 publications

Effects of Hemlock Woolly Adelgid Control Using Imidacloprid on Leaf-Level Physiology of Eastern Hemlock

Effects of Hemlock Woolly Adelgid Control Using Imidacloprid on Leaf-Level Physiology of Eastern Hemlock

Exposure of Pisum sativum L. Seeds to Methomyl and Imidacloprid Cause Genotoxic Effects in Pollen-Mother Cells

5-Aminolevulinic acid treatment mitigates pesticide stress in bean seedlings by regulating stress-related gene expression and retrotransposon movements

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