Comparative Proteomics of Resistant and Susceptible Strains of Frankliniella occidentalis to Abamectin.

Western flower thrips, Frankliniella occidentalis (Thysanoptera: Thripidae) is an invasive agricultural pest with developed resistance to abamectin in some strains due to frequent treatment with the pesticide. In this study, we examined differentially expressed proteins (DEPs) between abamectin-resistant (Aba; under abamectin selective pressure) and susceptible strains (Aba; without abamectin selective pressure) of F. occidentalis.

Colonization of Serendipita indica enhances resistance against Phoma arachidicola in Arachis hypogaea L.

The endophytic fungus Serendipita indica (Si) could suppress Phoma arachidicola (Pa) and control peanut web blotch disease. The study evaluated its growth-promoting and disease-resistant effects in two peanut cultivars, Luhua11 and Baisha1016. In vitro experiments and microscopy analysis demonstrated that S.

The sensor protein VdSLN1 is involved in regulating melanin biosynthesis and pathogenicity via MAPK pathway in Verticillium dahliae.

The vascular wilt fungus Verticillium dahliae is a destructive soil-borne pathogen that causes yield loss on various economically important crops. Membrane-spanning sensor protein SLN1 have been demonstrated to contribute to virulence in varying degrees among numerous devastating fungal pathogens. However, the biological function of SLN1 in V.

A new capulavirus infecting sugar beet (Beta vulgaris L.) in France.

A novel capulavirus was identified by high-throughput sequencing in four sugar beet (Beta vulgaris L.) plants collected in April 2023 in Normandy (France). The complete genome of 2744 nucleotides (nt) was sequenced and found to have an organization similar to that of known capulaviruses, with which it showed close phylogenetic relationships.

Molecular characterisation and expression profiles of an odorant-binding proteins gene (FoccOBP9) from .

Insect odorant-binding proteins (OBPs) are the key proteins in insect olfactory perception and play an important role in the perception and discrimination of insects. is a polyphagous pest and seriously harms the quality and yield of fruits, flowers and crops worldwide. Therefore, the discovery of OBPs has greatly improved the understanding of behavioural response that mediates the chemoreception of .

Suitability of Rosaceae fruit tree species for Panonychus citri (McGregor) (Acari: Tetranychidae).

The citrus red mite (CRM), Panonychus citri (McGregor) (Acari: Tetranychidae), a worldwide pest chiefly infesting Citrus plants, has spread from Southern China to Northern China. Little information is known about the population performance of CRM on the plants except for citrus trees and pear trees. In order to evaluate the extent of damage might caused by CRM to the fruit trees cultivated in Northern China, the performance of CRM on four Rosaceae species, including three main fruit tree species (pear-Pyrus pyrifolia Nakai cv.

Development and reproduction of Grapholita molesta (Lepidoptera: Tortricidae) on the 3 artificial diets in the laboratory.

Grapholita molesta (Busck) (Lepidoptera: Tortricidae) is a major pest of many fruit trees. The large-scale artificial propagation technology of the insect is the basis for the field application of the sterile insect technique and biological control products based on host mass reproduction. However, a low-cost diet with easily accessible materials remains lacking.

Leveraging RNA interference technology for selective and sustainable crop protection.

Double-stranded RNA (dsRNA) has emerged as key player in gene silencing for the past two decades. Tailor-made dsRNA is now recognized a versatile raw material, suitable for a wide range of applications in biopesticide formulations, including insect control to pesticide resistance management. The mechanism of RNA interference (RNAi) acts at the messenger RNA (mRNA) level, utilizing a sequence-dependent approach that makes it unique in term of effectiveness and specificity compared to conventional agrochemicals.

First report of the whole‑genome sequence analysis of Fig badnavirus 2 from China.

A novel plant virus was identified in fig trees exhibiting ring spot symptoms through high-throughput sequencing (HTS). The complete genome sequence was successfully determined using PCR and RT-PCR techniques. The virus features a circular DNA genome of 7233 nucleotides (nt) in length, encompassing four open reading frames (ORFs).

Tolerance to multiple abiotic stresses is mediated by interacting CNGC proteins that regulate Ca influx and stomatal movement in rice.

Members of the cyclic nucleotide-gated channel (CNGC) proteins are reportedly involved in a variety of biotic and abiotic responses and stomatal movement. However, it is unknown if and how a single member could regulate multiple responses. Here we characterized three closely related CNGC genes in rice, OsCNGC14, OsCNGC15 and OsCNGC16, to determine whether they function in multiple abiotic stresses.

Assessing the lethal effects of pesticide residue exposure on beneficial parasitoids and their host, Halyomorpha halys (Stål) (Hemiptera: Pentatomidae).

Chemical control is currently the main strategy for managing brown marmorated stink bug, Halyomorpha halys (Stål). However, chemical pesticides can harm nontarget species, including natural enemies of H. halys.

Changes in juvenile hormone titres and differential expression of related genes at different stages of L. female adults supplied with an artificial diet and aphid diet.

Juvenile hormone (JH) regulates multiple physiological functions in insects including growth, metamorphosis, and reproduction. Juvenile hormone epoxide hydrolase (JHEH) and juvenile hormone esterase (JHE) are degradative enzymes that metabolise JH, and JH receptor (methoprene-tolerant, ) functions in the regulation of female reproduction and vitellogenesis. In this study, JH titres in adult females were determined using ultra high-performance liquid chromatography and tandem mass spectrometry; the JH titres ranged from 0.

Influence of different temperatures and diets on the life cycle of invasive species .

Understanding the interactive effects of temperature and diet on insect life cycles is crucial for effective pest management. Here, the influence of different temperatures and diets on the life cycle of was investigated using the age-stage, two-sex life table analysis. The results support the hypothesis that temperature and diets (maize, apple, and artificial diet) significantly influence the entire life cycle performance of .

Bioactive Silk Revolution: Harnessing Curcuminoid Dye and Chitosan for Superior Antimicrobial Defence and UV Shielding.

Background/objectives: The use of natural colourants is gaining attention due to their biocompatibility and functional benefits. This study introduces a different approach using turmeric ( L.) dye extract combined with chitosan to significantly enhance the antibacterial and UV-shielding properties of silk.

Defense-Related Enzyme Activities and Metabolomic Analysis Reveal Differentially Accumulated Metabolites and Response Pathways for Sheath Blight Resistance in Rice.

Rice sheath blight (RSB), caused by the pathogenic fungus , poses a significant threat to global food security. The defense mechanisms employed by rice against RSB are not well understood. In our study, we analyzed the interactions between rice and by comparing the phenotypic changes, ROS content, and metabolite variations in both tolerant and susceptible rice varieties during the early stages of fungal infection.

Studying the Antifungal Effects of (Sprengel) R. King and H. Robinson (= Sprengel) as a Bio-Fumigant Plant Alone and in Combination with Biochar Against (Edson) Fitz.

spp. are soil-borne pathogens that cause damping-off and root rot diseases in many plant species such as cucumber. In the current study, the effect of dried roots-stems and leaves of (Sprengel) R.

Potential Regional Pollination Services of (Lepidoptera: Noctuidae) Migrants as Evidenced by the Identification of Attached Pollen.

Many species of noctuid moths exhibit long-distance migratory behavior and have an important pollination service function in terrestrial ecosystems. (Fabricius) is a globally distributed insect; however, its role in pollination remains underexplored. In this study, the feeding preferences and inter regional pollination of adults were explored.

Pesticide Contamination of Honey-Bee-Collected Pollen in the Context of the Landscape Composition in Latvia.

The honey bee () is the most widely managed pollinator and is vital for crop fertilization. Recently, bee colonies have been suffering high mortality rates, exacerbated by factors such as land-use changes and the use of pesticides. Our work aimed to explore the residues of pesticides in honey-bee-collected pollen and how this contamination was affected by seasonality and the landscape composition.

Locust Pathogen XJ1 Is Different from and Based on Genomics Comparisons.

Fungi play an increasingly important role in the biological control of insect pests. XJ1 is highly virulent to locust adults and nymphs, which are a destructive economic pest worldwide. Because of its host association with locusts, which is unique in , in this study, we examined the genetic relationships of XJ1 within .

Development of Green Fluorescent Protein-Tagged Strains of via PEG-Mediated Genetic Transformation.

is recognized as the causative agent of root rot in many forestry and agricultural plants. In recent years, root rot and foliage blight caused by have become widespread and severe in China, particularly affecting . The infection mechanism of remains a pressing area for research.

Dual Roles of Heterotrophic Ammonia-Oxidizing Bacteria in Enhancing Compensatory Growth upon Post-Drought in Maize.

This study investigates the mechanisms driving maize compensatory growth upon post-drought, to reveal how the root's original cytokinins are regulated by the two-fold roles of heterotrophic bacteria with ammonia-oxidizing (HAOB) capabilities. The HAOB' dual roles encompass influencing root cytokinin synthesis and transport through nitrification and a direct pathway. Experiment 1 involved introducing the application of varying amounts of NO to the roots to examine how nitrification affects cytokinin roots-to-leaves transport.

Antimicrobial and Antibiofilm Activity of Extracts Obtained by Supercritical Fluid Extraction Under Various Extraction Conditions.

Sustainable management of agri-food product safety presents a major challenge requiring extensive action to ensure food safety and consumer health. The pursuit of environmentally friendly solutions that will constitute an alternative to the chemical compounds commonly used in agriculture and the food industries is one of the most important problems. One solution is plant extracts containing various biologically active compounds and exhibiting antimicrobial activity.

Age-Stage, Two-Sex Life Tables of (Bagnall) and (Trybom) on Different Bean Pods Under Laboratory Conditions: Implications for Their Competitive Interactions.

As two major pests of cowpea in South China, bean flower thrips [ (Bagnall)] and flower thrips [ (Trybom)] always occur on the same plant. In this study, the two-sex life table parameters of these two species were investigated on three bean pods: cowpea ( L. var.

Bacteria Derived from Diamondback Moth, (L.) (Lepidoptera: Plutellidae), Gut Regurgitant Negatively Regulate Glucose Oxidase-Mediated Anti-Defense Against Host Plant.

The ongoing interplay among plants, insects, and bacteria underscores the intricate balance of defense mechanisms in ecosystems. Regurgitant bacteria directly/indirectly impact plant immune responses, but the underlying mechanism is unclear. Here, we focus on the interaction between regurgitant bacteria, diamondback moth (DBM), and plant.

The Stress Response of Aphids to the Accumulation of Heavy Metals Along L. Under Cadmium Treatment.

Due to the intensification of human activities, the ecosystems are being polluted by heavy metals. The pollution of heavy metals in agricultural systems has become a serious issue of global concern. This study detected the bioaccumulation of cadmium (Cd) in broad beans and aphids through continuous exposure to varying concentrations of Cd pollution (0, 3.