Insecticide Resistance and Its Management in the Insect Pests of Horticultural Crops

Venkatesan, T.; Chethan, B. R.; Mani, M.

doi:10.1007/978-981-19-0343-4_14

Cited by 6 publications

(13 citation statements)

References 84 publications

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“…Population growth: The growth of insect populations influences resistance development by determining the most successful individuals. Intense selection pressures from insecticide use, short generation time, and readily available host crops have resulted in diamondback moth ( P. xylostella ) resistance to almost all groups of insecticides ( Taha, 2022 ; Venkatesan et al, 2022 ). The intrinsic rate of increase is the rate that an insect population will increase without external constraints.…”

Section: Resistance In Invasive Insectsmentioning

confidence: 99%

“…This mechanism confers low levels (less than 5 - fold) of resistance and only becomes important when combined with other resistant mechanisms. On the other hand, it appears to shield several different classes of pesticides ( Venkatesan et al, 2022 ). Comparing the amount of pesticide taken over time by resistant and susceptible types of insects is the simplest technique to calculate the penetration rate.…”

Section: Resistance In Invasive Insectsmentioning

confidence: 99%

“…Comparing the amount of pesticide taken over time by resistant and susceptible types of insects is the simplest technique to calculate the penetration rate. Although, even a slight reduction in penetration might contribute significantly to the invasive insect developing resistance to the insecticide ( Venkatesan et al, 2022 ).…”

Section: Resistance In Invasive Insectsmentioning

confidence: 99%

“…The second most researched resistance mechanism in a wide variety of insects is target site insensitivity. As a result of changes in the target site’s structure or accessibility, toxicants may no longer form stable bonds with them, a phenomenon known as target-site insensitivity ( Venkatesan et al, 2022 ). Aphids have developed a resistance to pyrethroids by developing resistance at the target site (knockdown resistance-kdr) ( Valmorbida et al, 2022 ).…”

Section: Resistance In Invasive Insectsmentioning

confidence: 99%

“…Synthetic insecticides like neonicotinoids and spinosad aim to target nAChRs because of their essential role in insect neurotransmission ( Kaleem Ullah et al, 2022 ). d) The GABA receptor is primarily a Cl—channel, and GABA receptor molecules are essential to target locations for multiple chemically diverse kinds of pesticide-active chemicals, resulting in fipronil, cyclodienes, and avermectins resistance ( Burman et al, 2022 ; Venkatesan et al, 2022 ).…”

Section: Resistance In Invasive Insectsmentioning

confidence: 99%

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Insights into insecticide-resistance mechanisms in invasive species: Challenges and control strategies

et al. 2023

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Threatening the global community is a wide variety of potential threats, most notably invasive pest species. Invasive pest species are non-native organisms that humans have either accidentally or intentionally spread to new regions. One of the most effective and first lines of control strategies for controlling pests is the application of insecticides. These toxic chemicals are employed to get rid of pests, but they pose great risks to people, animals, and plants. Pesticides are heavily used in managing invasive pests in the current era. Due to the overuse of synthetic chemicals, numerous invasive species have already developed resistance. The resistance development is the main reason for the failure to manage the invasive species. Developing pesticide resistance management techniques necessitates a thorough understanding of the mechanisms through which insects acquire insecticide resistance. Insects use a variety of behavioral, biochemical, physiological, genetic, and metabolic methods to deal with toxic chemicals, which can lead to resistance through continuous overexpression of detoxifying enzymes. An overabundance of enzymes causes metabolic resistance, detoxifying pesticides and rendering them ineffective against pests. A key factor in the development of metabolic resistance is the amplification of certain metabolic enzymes, specifically esterases, Glutathione S-transferase, Cytochromes p450 monooxygenase, and hydrolyses. Additionally, insect guts offer unique habitats for microbial colonization, and gut bacteria may serve their hosts a variety of useful services. Most importantly, the detoxification of insecticides leads to resistance development. The complete knowledge of invasive pest species and their mechanisms of resistance development could be very helpful in coping with the challenges and effectively developing effective strategies for the control of invasive species. Integrated Pest Management is particularly effective at lowering the risk of chemical and environmental contaminants and the resulting health issues, and it may also offer the most effective ways to control insect pests.

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Section: Resistance In Invasive Insectsmentioning

confidence: 99%

Section: Resistance In Invasive Insectsmentioning

confidence: 99%

Section: Resistance In Invasive Insectsmentioning

confidence: 99%

Section: Resistance In Invasive Insectsmentioning

confidence: 99%

Section: Resistance In Invasive Insectsmentioning

confidence: 99%

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Insights into insecticide-resistance mechanisms in invasive species: Challenges and control strategies

et al. 2023

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Cyclotides: The next generation in biopesticide development for eco‐friendly agriculture

Tran,

Pham

et al. 2024

Journal of Peptide Science

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Chemical pesticides remain the predominant method for pest management in numerous countries. Given the current landscape of agriculture, the development of biopesticides has become increasingly crucial. The strategy empowers farmers to efficiently manage pests and diseases, while prioritizing minimal adverse effects on the environment and human health, hence fostering sustainable management. In recent years, there has been a growing interest and optimism surrounding the utilization of peptide biopesticides for crop protection. These sustainable and environmentally friendly substances have been recognized as viable alternatives to synthetic pesticides due to their outstanding environmental compatibility and efficacy. Numerous studies have been conducted to synthesize and identify peptides that exhibit activity against significant plant pathogens. One of the peptide classes is cyclotides, which are cyclic cysteine‐rich peptides renowned for their wide range of sequences and functions. In this review, we conducted a comprehensive analysis of cyclotides, focusing on their structural attributes, developmental history, significant biological functions in crop protection, techniques for identification and investigation, and the application of biotechnology to enhance cyclotide synthesis. The objective is to emphasize the considerable potential of cyclotides as the next generation of plant protection agents on the global scale.

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Characterization of Z chromosomal inversion and lineage-specific sweeps reveal widespread local adaptation inHelicoverpa armigera

2023

Preprint

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Efficient pest management requires comprehensive knowledge of its biology, ecology, and evolution, particularly adaptation that exacerbating pest damage.Helicoverpa armigera(Hübner) is a notorious pest that attacks more than 200 species, adapts to diverse environments, and has developed resistance to almost all applied insecticides. However, local adaptation of this species especially acclimatization was less investigated. Here, we analyzed genomic variation ofHelicoverpa armigerain China and Oceania to identify adaptative loci in different lineages. Despite intensive gene flow, two differentiated Z chromosomal lineages in Central China (i.e., northern and southern lineages) were formed by chromosome inversion and local adaptation. Based on population genomic analysis, we identified genes related to circadian clock (period,cycle,cyr2anddaywake), insulin secretion (IGF2BP2) and energy metabolism (SLC25A25,CCG7766,D11DS,TSTPandCPQ) were under selection in northern lineage. These genes may have contributed to its adaptation to high latitudes. In the southern lineage however, the Z chromosome inversion harbours alleles of two clock genes (periodandcycle) introgressed from Oceanian lineage (H. a. conferta) and may have disrupted clock oscillator for acclimatization. We further conducted selective sweep analysis in lineages from Northwestern China, Central China, and Oceania, and found several insecticide resistant genes that shared among different lineages were likely contributed by introgression. Nevertheless, many candidates, including a cadherin that involved in resistance toBacillus thuringiensisprotein in Oceanian populations, are lineage-specific. Our results highlight the importance of investigating local adaptation in effective pest control under globalization of agriculture.

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Insecticide Resistance and Its Management in the Insect Pests of Horticultural Crops

Cited by 6 publications

References 84 publications

Insights into insecticide-resistance mechanisms in invasive species: Challenges and control strategies

Insights into insecticide-resistance mechanisms in invasive species: Challenges and control strategies

Cyclotides: The next generation in biopesticide development for eco‐friendly agriculture

Characterization of Z chromosomal inversion and lineage-specific sweeps reveal widespread local adaptation inHelicoverpa armigera

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