251 results match your criteria: "Iranian Research Institute of Plant Protection[Affiliation]"

During a survey of the family Ichneumonidae in northwestern Iran, a total of 17 species belonging to the subfamilies Banchinae, Cryptinae, Ichneumoninae, Mesochorinae, Metopiinae, Orthopelmatinae, Phygadeuontinae and Tersilochinae were identified. Two species, Lissonota (Lissonota) rufofacies Riedel nov. sp.

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The present study on scuttle flies (Diptera: Phoridae) revealed six species of Megaselia, which are all new for the insect fauna of Iran. All six Megaselia species are reared from larvae of Spodoptera exigua (Lepidoptera: Noctuidae) feeding on cauliflower (Brassica cretica Lam.).

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THE SCALE INSECTS OF IRAN (HEMIPTERA: COCCOMORPHA) PART 3 THE SOFT SCALES (COCCIDAE) AND OTHER FAMILIES.

Zootaxa

November 2024

Science: Research; Natural History Museum; Cromwell Road; London SW7 5BD; U.K..

The present work is the third and final part in a series of monographs on the Iranian scale insect fauna (Hemiptera: Coccomorpha) by the same authors: Part 1, the armoured scales (Diaspididae), was published in 2021, and Part 2, the mealybugs (Pseudococcidae and Rhizoecidae) and Putoidae, was published in 2022. Here we cover ten families: Asterolecaniidae, Cerococcidae, Coccidae, Cryptococcidae, Eriococcidae, Kermesidae, Margarodidae, Monophlebidae, Ortheziidae and Phoenicococcidae, bringing the total number of scale insect families recorded in Iran to 14. A key is provided to separate all 14 families.

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For the first time, a novel simple label-free electrochemical immunosensor was fabricated for sensitive detection of the coat protein of beet necrotic yellow vein virus (CP-BNYVV) as the causal agent of Rhizomania disease in sugar beet. To boost the amplification of the electrochemical signal, gold nanoparticles-reduced graphene oxide (AuNPs-rGO) nanocomposite was employed to modify the glassy carbon electrode. Anti-BNYVV polyclonal was immobilized onto a modified electrode by applying a thiol linker via a self-assembly monolayer (SAM) and activating the functionalized surface using (3-aminopropyl triethoxysilane) and glutaraldehyde.

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Surveillance and mapping of tribenuron-methyl-resistant weeds in wheat fields.

Sci Rep

November 2024

Crop, Soil, and Environmental Management Program, School of Agricultural Sciences, Southern Illinois University, Carbondale, IL, 62901, USA.

Article Synopsis
  • Tribenuron-methyl (TBM) is a popular herbicide in Iran for managing broadleaf weeds in wheat due to its low toxicity, effectiveness, and lower cost, but farmers face issues with its performance and resistance.
  • A study involving 240 weed populations from 153 wheat fields revealed that over half (51.7%) exhibited resistance to TBM, with specific species like Sinapis arvensis and Malva neglecta showing significant resistance rates.
  • This research highlights the growing problem of herbicide resistance in Iranian wheat fields and emphasizes the need for future management strategies to prevent yield loss and environmental harm.
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  • The study assessed the toxic effects of Mentha pulegium essential oil and its nanoformulation on the greenhouse whitefly, a significant agricultural pest.
  • The essential oil was analyzed and identified to contain several key chemical components, with pulegone being the most abundant.
  • Results showed that the nanoformulation was more effective and toxic than the pure oil, significantly affecting the pest's life stages, longevity, and reproductive rates.
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A magnetic nanoadsorbent was prepared via a novel one-pot magnetization method by employing natural carboxymethyl cellulose (CMC), polyaniline (PANI) nanotube, and graphene oxide (GO) for the effective adsorption of aflatoxins B1 (AFB1) and B2 (AFB2) from rice samples. This synthesized adsorbent combines the multifunction of CMC, PANI, and GO and shows improved extraction performance. FT-IR, XRD, FE-SEM, VSM, and TGA analyses were used to investigate the successful synthesis of the nanocomposite.

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The urgent need for sustainable agriculture has intensified the search for environmentally friendly alternatives to chemical herbicides. This study investigates the herbicidal potential of siderophores produced by Amycolatopsis lurida strain 407, focusing on its effects on the growth of ryegrass and redroot weeds. Strain 407 exhibited two distinct colony morphologies-red and white-when cultured under varying environmental conditions.

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Strategies to reduce neurotoxic acrylamide in biscuits, a systematic review.

Toxicol Rep

December 2024

Department of Environmental Health Engineering, Division of Food Safety and Hygiene, School of Public health, Tehran University of Medical Sciences, Tehran, Iran.

Article Synopsis
  • * The review highlights that the Maillard reaction plays a key role in acrylamide formation, with suppression of this reaction yielding the most significant reduction effects, often over 90% in some studies.
  • * Antioxidants have also shown effectiveness in reducing acrylamide levels by 50-90%, with tropical fruits and bamboo leaves proving to be particularly beneficial in biscuit formulations.
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In the present study, 18 polychlorinated biphenyl (PCB) compounds were measured in marine sediments collected from 49 offshore stations in the Persian Gulf and the Gulf of Oman in 2019. After the last oceanographic cruise in 2006, no study has been performed on the offshore sediments of this region, and this is the first study on the PCBs in this area. The total amount of PCB compounds in the sediment samples ranged from 74.

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In recent years, with the increased production of oilseed rape, there has been a simultaneous enhancement in reports on pathogens causing diseases. Magnetic technology has been recognized as a new agricultural method aimed at improving health and crop production. In this work, the effect of magnetic fields was studied on the mycelial growth and conidia formation of Gol125 and KH36, the causal agents of Phoma stem cancer (blackleg) disease in rapeseed.

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Revisions of the and species groups of the genus Meigen, 1803 (Diptera, Syrphidae).

Zookeys

May 2024

University of Novi Sad, Faculty of Sciences, Department of Biology and Ecology, Trg Dositeja Obradovića 2, 21000 Novi Sad, Serbia.

This study focuses on the lineage within the genus , exploring morphological, genetic, and distributional aspects of two related assemblies within this lineage: the and species groups. An integrative taxonomic approach was followed to ensure comprehensive species identification and validation, using adult morphology, wing geometric morphometrics, and genetic analysis of the mtDNA COI gene. In the group, seven species were identified, including three new species: Vujić, Radenković & Likov, , Vujić, Radenković & Likov, , and Vujić, Radenković & Likov, In the group, our revision revealed a new species, Vujić, Radenković & Likov, , and the revalidation of Gil Collado, 1929, Macquart, 1842 is redescribed.

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Article Synopsis
  • Researchers have developed a novel electrochemical DNA probe biosensor that can detect the bacteria causing citrus huanglongbing disease (Candidatus Liberibacter asiaticus) without the need for labels.
  • The sensor uses a specially designed outer membrane protein (OMP) probe that binds to a specific DNA sequence of the CLas bacteria, allowing for precise measurement of the binding process through electrochemical techniques.
  • With a detection limit of 0.026 nM and high selectivity that avoids interference from other DNA, this biosensor shows potential for early diagnosis of citrus diseases.
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Four species of the genus were recovered from southern (Bushehr province) and southeastern (Southern Khorasan province) Iran. The first species, n. sp.

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In Iran, native oak species are under threat from episodes of Charcoal Disease, a decline syndrome driven by abiotic stressors (e.g. drought, elevated temperature) and biotic components, Biscogniauxia mediterranea (De Not.

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Citrus canker is a bacterial disease caused by Xanthomonas citri subsp. citri (Xcc) that affects the citrus industry worldwide. Hrp pili subunits (HrpE), an essential component of Type III secretion system (T3SS) bacteria, play a crucial role in the pathogenesis of Xcc by transporting effector proteins into the host cell and causing canker symptoms.

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Eurytomidae (Chalcidoidea) species associated with fig trees (Ficus) are still poorly documented. A phylogenetic analysis of 63 morphological characters was conducted to revise Afrotropical species of Sycophila Walker and Ficomila Bouek associated with fig trees. Based on our results, which also included Palaearctic species of Sycophila, three subgenera of Sycophila are proposed: Sycophila s.

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A quantitative method based on quick, easy, cheap, effective, rugged, and safe technique (QuEChERS) sample extraction and ultra-performance liquid chromatography/tandem mass spectrometry (UHPLC-MS/MS) was evolved for the determination of 47 pesticide residues in fresh Mazafati date fruits from Bam City of Kerman Province, Iran. The recoveries for selected pesticides ranged from 88 to 110% with a relative standard deviation (RSD) of less than 20% at concentrations of 0.05 and 0.

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Background: The widespread use of chemical herbicides and the growing issue of weed resistance pose significant challenges in agriculture. To address these problems, there is a pressing need to develop biological herbicides based on bacterial metabolites.

Results: In this study, we investigated the impact of the cell-free culture filtrate (CFCF) from the ZT isolate, a bacilliform bacterium obtained from diseased wheat seeds, on the germination and seedling growth of various plant species, including wild oat, ryegrass, redroot, wheat, and chickpea.

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Apple (Malus domestica Borkh) is one of the most consumed and nutritious fruits. Iran is one of the main producers of the apple in the world. Diplodia bulgarica is the major causal agent of apple tree decline in Iran.

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Fig mosaic virus (FMV) is recognized as the main viral agent associated with the mosaic disease (MD) of fig trees (Ficus carica). Due to its worldwide occurrence, FMV represents the most significant global threat to the production of fig fruit. A disease management strategy against the MD in fig orchards has never been effective; and therefore, expression of recombinant antibody in plant cells could provide an alternative approach to suppress FMV infections.

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Article Synopsis
  • The ber fruit fly (BFF) is a significant pest affecting jujube trees, and while chemical control is common, natural enemies have been studied for management inIran.
  • Eight species of parasitic wasps belonging to five families have been identified as natural enemies of the BFF, with the Eurytomidae family showing the most diversity.
  • The study includes a review of the parasitoid community in Khorasan, Eastern Iran, and provides an identification key for the species found.
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CRISPR Variants for Gene Editing in Plants: Biosafety Risks and Future Directions.

Int J Mol Sci

November 2023

Department of Biology and the Environment, College of Life Sciences, Nanjing Forestry University, Nanjing 210037, China.

The CRISPR genome editing technology is a crucial tool for enabling revolutionary advancements in plant genetic improvement. This review shows the latest developments in CRISPR/Cas9 genome editing system variants, discussing their benefits and limitations for plant improvement. While this technology presents immense opportunities for plant breeding, it also raises serious biosafety concerns that require careful consideration, including potential off-target effects and the unintended transfer of modified genes to other organisms.

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Effective management of fungicide application programs requires monitoring the profile of resistant populations of Botrytis cinerea, given its high-risk nature. This research aimed to examine the sensitivity of 200 B. cinerea isolates collected from different plant species and regions across Iran towards thiophanate-methyl and carbendazim fungicides.

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