Unconventional routes to developing insect-resistant crops

Enders, Laramy; Begcy, Kevin

doi:10.1016/j.molp.2021.06.029

Cited by 9 publications

(1 citation statement)

References 147 publications

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“…Integrated pest management (IPM) techniques promote the use of a combination of methods, including biological control, crop rotation, and judicious use of pesticides. In addition, organic farming practices, which rely on natural pest control methods and avoid synthetic pesticides, can help minimize the harmful effects of pesticides on soil systems (Enders and Begcy, 2021).…”

Section: Pesticidesmentioning

confidence: 99%

Recent Advances in Phytoremediation of Hazardous Substances using Plants: A Tool for Soil Reclamation and Sustainability

Meena,

Tyagi,

Kumar

et al. 2023

AgroEnviron. Sustain.

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Phytoremediation techniques have emerged as a promising approach for soil reclamation and remediation of contaminated sites. This review article provides a comprehensive analysis of the different phytoremediation techniques used for soil reclamation and their effectiveness in removing contaminants from soil. The aim is to evaluate the current state of knowledge and to highlight potential avenues for future research in this field. The review begins with a discussion of the principles underlying phytoremediation, emphasizing the ability of plants to accumulate, tolerate, and detoxify contaminants through various mechanisms such as phytoaccumulation, rhizo-degradation, and rhizo-filtration. Different plant species and their suitability for phytoremediation are reviewed, considering factors such as metal tolerance, biomass production, and pollutant uptake efficiency. In addition, the role of soil amendments and their impact on improving phytoremediation efficiency is critically evaluated. Commonly used amendments, including chelating agents, organic matter, and pH adjusters, are reviewed with emphasis on their ability to increase metal bioavailability and plant uptake. The review also addresses challenges associated with phytoremediation, such as plant growth limitations, long-term sustainability, and potential risks associated with the release of pollutants into the atmosphere during biomass disposal. Strategies to mitigate these challenges, including plant breeding and genetic engineering, are discussed.

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Section: Pesticidesmentioning

confidence: 99%

Recent Advances in Phytoremediation of Hazardous Substances using Plants: A Tool for Soil Reclamation and Sustainability

Meena,

Tyagi,

Kumar

et al. 2023

AgroEnviron. Sustain.

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Plasmonics: An Optical Approach to Study Plant Epigenetics

Mamián-López,

Begcy

2023

Plasmonics

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Essential factors that control gene stability and expression are collectively known as epigenetics. Within the most well-studied epigenetic mechanisms are DNA methylation and histone modifications. A broad range of methods has been used for identifying differentially methylated regions, including biotechnological and enzymatic techniques. Nevertheless, in the last decade, there has been a proliferation of techniques called plasmonics which have emerged as an alternative to studying epigenetics. They take advantage of the different chemical composition of methylated compared to unmethylated histones and nucleotides to quantify their optical properties. Here, we introduce the basics of plasmonics and present a detailed description of how these techniques work. We also provide an outlook on the application of plasmonics in plant epigenetics.

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Oviposition behaviour and larval attraction of the fall armyworm Spodoptera frugiperda (Lepidoptera: Noctuidae) to different maize plant varieties for pest management in Nigeria

Akinbuluma,

Bamifewe,

Alabi

et al. 2024

Phytoparasitica

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Phytophagous insects likely select suitable host plants for oviposition based on olfactory and tactile cues. However, details of how insects differentiate among different plant varieties are often unclear. The fall armyworm (Spodoptera frugiperda J. E. Smith) is a highly destructive pest on maize, but little is known about the attraction and oviposition preference of S. frugiperda to different maize varieties, particularly in the context of sub-Saharan Africa, where the insect is a major threat to maize production. We determined the oviposition preference of S. frugiperda females on six different maize plant varieties three of which were hybrid varieties and three were open-pollinated varieties, in multiple-choice and no-choice assays. We also evaluated the attraction preference of S. frugiperda larvae on these maize varieties, using an olfactometer bioassay. We found that S. frugiperda females oviposited significantly less egg masses on the hybrid varieties DEKAIB and 30Y87 than on the other varieties tested and that females oviposited less on the hybrid maize varieties compared to the open-pollinated maize varieties overall. Additionally, we found that S. frugiperda larvae were more attracted to the open-pollinated variety LMFP than to clean air, which was not the case for any of the other maize varieties tested. Taken together, our results show that S. frugiperda responds differentially to the different maize varieties and that hybrid maize varieties seem less attractive. Further investigating the chemistry of hybrid maize varieties like DEKAIB might yield clues on how to breed maize varieties with increased resistance against S. frugiperda infestation.

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Unconventional routes to developing insect-resistant crops

Cited by 9 publications

References 147 publications

Recent Advances in Phytoremediation of Hazardous Substances using Plants: A Tool for Soil Reclamation and Sustainability

Recent Advances in Phytoremediation of Hazardous Substances using Plants: A Tool for Soil Reclamation and Sustainability

Plasmonics: An Optical Approach to Study Plant Epigenetics

Oviposition behaviour and larval attraction of the fall armyworm Spodoptera frugiperda (Lepidoptera: Noctuidae) to different maize plant varieties for pest management in Nigeria

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