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  • 1
    Schlagwort(e): Invertebrates. ; Agriculture. ; Plant diseases. ; Invertebrate Zoology. ; Agriculture. ; Plant Pathology.
    Beschreibung / Inhaltsverzeichnis: 1.Agroecosystem design supports the activity of pollinator networks -- 2. Ecological Intensification: Managing Biocomplexity and Biodiversity in Agriculture through Pollinators, Pollination and Deploying Biocontrol Agents against Crop and Pollinator Diseases, Pests, and Parasites -- 3. Bee pollination of crops: a natural and cost-free ecological service -- 4. Solitary bees as pollinators -- 5. Bumble bees and entomovectoring in open field conditions -- 6. Dispensers for entomovectoring: for every bee another type? -- 7. Cases on entomovectoring in the greenhouse and open field -- 8. A case study: Use of Prestop® Mix biofungicide in entomovectoring on apple against storage rot diseases -- 9. Threat of Drosophila suzukii as an invasive species and the potential of entomovectoring -- 10.The potential of bee vectoring in coffee in Brazil -- 11. Using bumblebees (Bombus terrestris) as bioagent vectors to control Sclerotinia head rot on sunflower in Serbia -- 12. Advances in the implementation of Beevector Technologi in Colombia: Strawberry case (Fragaria X ananassa) -- 13-Making a pest beneficial: Fungus gnats [Bradysia impatiens (Diptera: Sciaridea)] as potential vectors of microbial control agents to suppress pathogens they also spread -- 14. Regulatory processes surrounding the risk assessment of microbial pesticides for pollinators -- 15. Flying Doctors for a better quality in fruit production.
    Kurzfassung: This book examines entomovectoring, which employs crop pollinators to spread biocontrol protections against plant pathogens. The book describes research and development of the process, also known as apivectoring and beevectoring, for use both in pollination and in the delivery of biocontrol agents against crop and pollinator diseases, pests, and parasites. The opening chapters show how design of agrosystems can support the activity of pollinator networks, and describe bee pollination as a natural and cost-free ecological service. Individual chapters cover bumble bees and solitary bees as pollinators. The book outlines ways that entomovectoring can be used to increase biocomplexity and biodiversity in agriculture. Also included is a chapter on the threat of Drosophila suzukii, an invasive fruit fly that infests ripening fruit, and the prospect of improved control using entomovectoring. Another chapter discusses the prospect of using a species of fungus gnat as a potential vector of microbial control agents, to suppress pathogens that they also spread. A wide variety of crops are covered, including apples, strawberries, coffee, and sunflowers. The book describes studies on use of entomovectoring in both open fields and greenhouse settings. Another case study reviews the use of a commercial biofungicide via entomovectoring, to combat storage rot diseases in apples. Coverage also includes Flying Doctors, a precision pollination system that uses pre-collected pollen delivered by bumble bees to replace artificial pollination via dusting or phytohormones. Entomovectoring for Precision Biocontrol and Enhanced Pollination of Crops benefits graduate-level students in agriculture, plant pathology and entomology, as well as academics, researchers, working horticulturists and apiculturists, and those involved in formulating agricultural policy and regulations.
    Materialart: Online-Ressource
    Seiten: X, 277 p. 102 illus., 78 illus. in color. , online resource.
    Ausgabe: 1st ed. 2020.
    ISBN: 9783030189174
    DDC: 592
    Sprache: Englisch
    Standort Signatur Erwartet Verfügbarkeit
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  • 2
    ISSN: 1570-7458
    Schlagwort(e): Spodoptera littoralis ; pesticides ; RH-5849 ; ecdysteroids ; pupation ; circadian rhythmicity
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Abstract Under laboratory conditions (L16:D8, 24°C, r.h. 80%), applying of an ecdysone agonist, RH 5849, (1,2-dibenzoyl-1-tert-butylhydrazine) onto final instar larvae of Spodoptera littoralis (Boisd.), Noctuidae, Lepidoptera, delayed or advanced the time of pupation depending on the time of treatment. This response was dose-dependent. In addition, non-lethal doses of RH 5849, ranging from 0.05 to 10 µg/larva were used. Following treatment of S. littoralis larvae with 5 µg RH 5849 the endogenous ecdysteroid level was increased or decreased depending on the time of application. Based on the results presented, we suggest that potential users of non-steroidal ecdysone agonists should consider the proper circadian timing of application in the field.
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 3
    ISSN: 1570-7458
    Schlagwort(e): nonsteroidal ecdysone mimic ; RH-0345 ; tebufenozide ; RH-5849 ; precocious moulting ; polypeptide synthesis ; haemolymph ; cuticle ; ultrastructure ; Leptinotarsa decemlineata
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Abstract Larvae of the Colorado potato beetle, Leptinotarsa decemlineata (Say), that were orally treated with RH-0345 at 0.1 mg l−1, RH-5849 at 10 and 50 mg l−1, tebufenozide at 2 g l−1, and 20-hydroxyecdysone at 2 g l−1, showed symptoms of premature moulting, followed by inhibition of ecdysis. In addition, fresh weight gain and total protein content were blocked. The effects on haemolymphal and cuticular polypeptides after PAGE were linked with premature, new epicuticle deposition as was observed under the electron microscope. These observations support the concept that the ecdysteroid-mimicking action of the three nonsteroidal molecules is specific.
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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