Results 31 to 40 of about 5,248 (212)

Effect of drying conditions on pyrethrins content [PDF]

open access: yes, 2006
Windrowed pyrethrum stems were air dried under a range of storage conditions to examine whether the current commercial practice of drying crop material is conducive to pyrethrins’ degradation.
Davies, NW   +11 more
core   +3 more sources

Joint Action and Biochemichal Alteration in Egyptian Cotton Leafworm, Spodoptera littoralis (Boisd.) against four Insecticides from Different Groups [PDF]

open access: yesJournal of Plant Protection and Pathology, 2017
Joint action and biochemical alteration in the 4th instar larvae of a laboratory strain of cotton leafworm, Spodoptera littoralis (Boisd.), were evaluated under the laboratory condition against four insecticides from different groups namely: chlorpyrifos,
A. El-Morshedy   +3 more
doaj   +1 more source

Investigating zeta-cypermethrin resistance stability in California Drosophila suzukii populations. [PDF]

open access: yesPest Manag Sci
After continuous selection and removal of selection pressure in spotted‐wing Drosophila, zeta‐cypermethrin resistance remained stable over several generations. Following a population bottleneck, zeta‐cypermethrin resistance increased without selection, highlighting the importance of insecticide rotation.
Buck N, Ganjisaffar F, Zalom FG.
europepmc   +2 more sources

Lethal and Sublethal Effects of Contact Insecticides and Horticultural Oils on the Hibiscus Bud Weevil, Anthonomus testaceosquamosus Linell (Coleoptera: Curculionidae)

open access: yesInsects, 2023
In 2017, the hibiscus bud weevil (HBW), Anthonomus testaceosquamosus Linell (Coleoptera: Curculionidae), was found outside of its native range of Mexico and Texas, infesting hibiscus plants in Florida.
A. Daniel Greene   +6 more
doaj   +1 more source

Overexpression of TcCHS Increases Pyrethrin Content When Using a Genotype-Independent Transformation System in Pyrethrum (Tanacetum cinerariifolium)

open access: yesPlants, 2022
Pyrethrum (Tanacetum cinerariifolium) is one of the most important industrial crops for the extraction of pyrethrins, which are natural insecticidal compounds.
Jiawen Li   +7 more
doaj   +1 more source

Tests of synergism between nicotine and the pyrethrins [PDF]

open access: yes, 1953
Synergism between nicotine and pyrethrum applied by injection to adult Oncopeltus fasciatus Dal. has been reported by Turner (1951). When these insecticides were applied alone and as a mixture to adult Tribolium castaneum Hbst., using a dipping ...
Bliss, C. I., Turner, N.
core   +1 more source

The pyrethrins and related compounds. II. infra‐red spectra of the pyrethrins and of other constituents of pyrethrum extract [PDF]

open access: yes, 1961
The infra‐red spectra of the pyrethrins and of other compounds found with them in pyrethrum extract are presented and discussed. The spectra of the four insecticidal esters are interpreted in terms of those of the acids and alcohols from which they are ...
Elliott, M.
core   +1 more source

Uncommon manifestation of poisoning with a mixture of pesticides

open access: yesClinical Case Reports, 2022
The ingestion of pesticides for suicide commitment purposes is common in developing countries. We present a case of suicide with ingestion of mixed pesticides. The autopsy findings showed the presence of diazinon, chlorpyrifos, trifluralin, fenpropathrin,
Shafeajafar Zoofaghari   +5 more
doaj   +1 more source

DDT, pyrethrins, pyrethroids and insect sodium channels [PDF]

open access: yes, 2007
The long term use of many insecticides is continually threatened by the ability of insects to evolve resistance mechanisms that render the chemicals ineffective.
Field, L. M.   +3 more
core   +1 more source

Control of Scaphoideus titanus with Natural Products in Organic Vineyards

open access: yesInsects, 2017
The leafhopper Scaphoideus titanus is the vector of ‘Candidatus Phytoplasma vitis’, the causal agent of Flavescence dorée (FD) a key disease for European viticulture. In organic vineyards, the control of S.
Federico Tacoli   +7 more
doaj   +1 more source

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