Results 11 to 20 of about 5,454 (205)

The low-lethal concentrations of rotenone and pyrethrins suppress the population growth of Rhopalosiphum padi [PDF]

open access: goldScientific Reports
As an important pest on winter wheat, Rhopalosiphum padi (L.) causes damage to the wheat yield by sucking plant nutrients, transmitting plant viruses and producing mildew. R. padi has been reported to develop resistance to pyrethroids and neonicotinoids.
Li Xu   +8 more
doaj   +4 more sources

Pyrethrins and Pyrethroids: A Comprehensive Review of Natural Occurring Compounds and Their Synthetic Derivatives [PDF]

open access: yesPlants, 2023
This comprehensive scientific review provides an in-depth analysis of both the natural compounds, pyrethrins, and their synthetic derivatives, pyrethroids, focusing on their classification, biosynthesis, mechanism of action, general and pharmaceutical ...
Camelia Hodoșan   +8 more
doaj   +2 more sources

The Effects of Natural Insecticides on the Green Peach Aphid Myzus persicae (Sulzer) and Its Natural Enemies Propylea quatuordecimpunctata (L.) and Aphidius colemani Viereck [PDF]

open access: yesInsects
Botanical insecticides and soaps are frequently proposed as environmentally safer alternatives to synthetic insecticides. However, the efficacy and selectivity of these products are often only partially supported by empirical evidence.
Francesco Lami   +11 more
doaj   +2 more sources

Natural Products for the Control of Scaphoideus titanus in Vineyards: A Summary of Five-Year Field Trials [PDF]

open access: yesInsects
Scaphoideus titanus Ball, 1932 (Hemiptera: Cicadellidae), the main vector of the phytoplasma (FDp) causing Flavescence dorée, is considered a challenging problem in European vineyards. Natural insecticides permitted for S.
Stefan Cristian Prazaru   +5 more
doaj   +2 more sources

Evaluating the Effectiveness of Insecticides on Spotted Lanternfly Lycorma delicatula (Hemiptera: Fulgoridae) in Kiwifruit [PDF]

open access: yesInsects
The spotted lanternfly (SLF), Lycorma delicatula (Hemiptera: Fulgoridae), has invaded several countries and caused significant losses to agricultural economy, especially in grapes, apples and kiwifruit production.
Zi-Jian Song   +8 more
doaj   +2 more sources

Suspected Permethrin-Containing Powder Bath Poisoning in a Flock of Mountain Quail (Oreortyx pictus) [PDF]

open access: yesAnimals
Generally, birds are less sensitive to pyrethrins and pyrethroids compared to mammals; however, suspected permethrin toxicosis was fatal in seven mountain quails (Oreortyx pictus) treated with a permethrin-containing powder bath.
János Gál   +6 more
doaj   +2 more sources

Local adaptation to the native environment affects pyrethrin variability in Dalmatian pyrethrum populations [PDF]

open access: yesFrontiers in Plant Science
The insecticidal compound pyrethrin is synthesized in Dalmatian pyrethrum (Tanacetum cinerariifolium (Trevis.) Sch.Bip.; Asteraceae), a plant species endemic to the eastern Mediterranean.
Martina Grdiša   +9 more
doaj   +2 more sources

Bovine biowaste derived nanocellulose for pyrethrin stabilization and controlled release [PDF]

open access: goldDiscover Materials
Sustainable industrial and food production technologies are in demand with the heightened public environmental consciousness. For example, there is growing demand for organic agriculture where synthetic pesticides are replaced with biopesticides.
Samuel M. Mugo, Weihao Lu
doaj   +2 more sources

EFFECTIVNESS OF PURE DIATOMACEUS EARTH AND DIFFERENT MIXTURES OF DIATOMACEUS EARTH WITH PYRETHRINS [PDF]

open access: greenPoljoprivreda, 2011
This study shows results of laboratory experiments on stored soft white wheat infested with two stored pest species: rice weevil - Sitophilus oryzae (L.), and red flour beetle - Tribolium castaneum (Herbst), treated with different mixtures of Diatomaceus
Irma Kalinović   +3 more
doaj   +1 more source

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