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Showing 1 to 18 of 18 for “"Biopesticides"”.
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Evaluation of Biopesticides and Novel Chemicals for Grape Ripe Rot and Sour Rot Disease Management in Virginia
… This study evaluated the efficacy of different biopesticides and novel chemical options with a series of field trials across four vineyards in northern Virginia in 2021 and 2022. Among the tested products, a potassium-based nutrient formulation resulted in consistent ripe rot suppression in two …
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Exposure of honeybees (Apis mellifera L.) and other hymenoptera pollinators to different Bacillus thuringiensis based biopesticides in laboratory controlled trials
Gli Apoidei giocano un ruolo fondamentale e strategico nella regolazione dei processi riproduttivi di molte piante, comprese quelle di interesse agrario, grazie alla loro attività di impollinazione. Tra gli Apoidei, presenti in Italia, importanti dal punto di vista agro-economico troviamo: Apis …
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Toxicity assessment of pesticides and biopesticides on wild and managed bees (Hymenoptera, Apoidea), and richness evaluation in mediterranean and tropical agroecosystems
… of synthetic pesticides, is an alarming concern. Biopesticides can be a viable alternative for the protection of cultivated plants due to their high selectivity and short environmental persistence. Despite their natural origin, biopesticides can cause lethal and sublethal effects on non-target …
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Advancing Sustainable Grape Downy Mildew Management: Biopesticide Trials and Risk Assessment System
… and captan. The first study evaluated various biopesticides and conventional fungicides in field and greenhouse trials from 2024 to 2025 across multiple Vitis vinifera cultivars in Virginia. Among biopesticides, the GEA 249 complex, Bacillus mycoides Isolate J, and Pseudomonas chlororaphis …
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Combining natural enemies and selective pesticides in IPM programmes of exotic pests: the Tuta absoluta (Lepidoptera: Gelechiidae) case
… initial application on plants. Among the tested biopesticides only Bacillus thuringiensis proved to be harmless; whereas spinosad, emamectin benzoate and metaflumizone were moderately harmful until 7d after the treatment and abamectin was the most noxious and persistent and was classified as …
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Management of Spotted Lanternfly (Lycorma delicatula) Overwintering Egg Masses and Multiple State Records of Aculops ailanthi, the Potential Biological Control Agent of Tree-of-Heaven (Ailanthus altissima)
… for management practices. Many insecticides and biopesticides have been demonstrated to provide control of nymphal and adult L. delicatula, but more research is needed on managing SLF egg masses. I conducted bioassays across three years (2021–2023) utilizing various insecticides and biopesticides …
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Evaluating Entomopathogens for Control of <i>Melanotus communis</i> (Coleoptera: Elateridae), in Virginia
… occurring entomopathogens formulated as biopesticides provides sustainable options towards Integrated Pest Management (IPM) plans. Accordingly, the objective of this dissertation was to investigate biopesticides for the control of wireworms, specifically M. communis. Entomopathogenic …
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Studi etnobotani tumbuhan yang dimanfaatkan sebagai pestisida nabati oleh petani di sekitar PPLH Desa Seloliman Kecamatan Trawas Kabupaten Mojokerto
… that there were 37 species of plants are used as biopesticides (pesticide plant) in Sempur area Seloliman village and consists of 27 familia. The most dominated species used as biopesticides (pesticide plant) is Starfruit (Averrhoa bilimbi L.) as much as 90%, Gadung (Dioscorea hispida Denst) as …
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Biocontrôle de la pourriture grise chez le cannabis par des pseudomonas spp. et bacillus spp. et étude des mécanismes impliqués
… des pistes de réflexion pour le développement de biopesticides efficaces et adaptés à cette industrie. Mots clés : biocontrôle, Pseudomonas spp., Bacillus spp., Botrytis cinerea, pourriture grise, Cannabis sativa, chanvre, antibiose, mutagenèse, résistance systémique
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Phytochemistry in the development of pesticides and biocides
To date biopesticides and biocides are studied as substitutes for their toxic synthetic ancestors. The botanical pesticides are evaluated as tools intended for integrated crop protection schemes, while the natural biocides for their potential use in residential areas. In this study we evaluate …
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Identification, Characterization, and Use of Precipitation-borne and Plant-associated Bacteria
… stresses, similar to the stressors microbial biopesticides are exposed to in the field. I thus explored rain as a source of resilient biopesticides to control fire blight, caused by the bacterial pathogen Erwinia amylovora, on apple. In an in-vitro dual culture assay, I identified rain-borne …
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Cloning and Expression of Bovine Alpha S1 Casein Peptides of Variable Size and Position of spPEP Inhibitor Sequence
… natural candidate to inhibit spPEP. Developing biopesticides for food products from αS1 casein is complicated due to some allergenic amino acid sequences. Ruiter et al (2005) identified a non-allergenic peptide region on αS1 casein that includes a previously identified inhibitory sequence …
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Biocontrôle du mildiou de la pomme de terre par pseudomonas fluorescens LBUM636 producteur d'acide phénazine-1-carboxylique
Le mildiou est la maladie la plus importante chez la pomme de terre (Solanum tuberosum) et cause des pertes économiques considérables. Cette maladie est casuée par Phytophthora infestans, un oomycète. L'utilisation des pesticides présentement disponibles contre cet agent pathogène est de …
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Interactions of entomopathogenic fungi and other control agents: mechanism and field potential against Hylobius abietis larvae
… interaction then the efficacy of these biopesticides would be increased. A number of laboratory and field studies have used combinations of entomopathogenic nematodes (EPN) and EPF against insect pests with resulting interactions ranging from antagonistic to synergistic. In the case of …
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Investigation of Bacillus subtilis as a Biopesticide Against Botrytis cinerea
<p>The objective of this thesis was to investigate BiOWiSH<sup>TM</sup>-Aqua, a commercial dry solid formulation containing a consortium of bacteria and yeast, as a biopesticide for treatment of <em>Botrytis cinerea</em>, a gray mold that affects strawberries. BiOWiSH<sup>TM</sup>-Aqua was compared …
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Élucidation des mécanismes employés par pseudomonas fluorescens LBUM223, producteur d'acide phénazine-1-carboxylique, dans le biocontrôle de la gale commune de la pomme de terre
"La gale commune de la pomme de terre est une maladie bactérienne des tubercules qui entraîne des pertes économiques importantes. L'agent causal le plus commun est le Streptomyces scabies, qui génère des lésions à la surface des tubercules par sa production de substances phytotoxiques …
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Caractérisation de l'agent de biocontrôle Pseudomonas fluorescens LBUM223 par l'étude comparative de son interaction avec deux agents pathogènes de la pomme de terre
"Le mildiou et la gale commune sont deux maladies d'importance chez la pomme de terre pour lesquelles aucune méthode n'est totalement durable pour contrôler les agents pathogènes responsables : Phytophthora infestans et Streptomyces scabies. Dans ce contexte, le biocontrôle, qui est …