Results 21 to 30 of about 4,485 (176)
Agronomy, 2022 Pyrethrum is a perennial herbaceous plant endemic to the eastern coast of the Adriatic Sea, and introduced in large areas of nearly all continents, where it is cultivated for the industrial extraction of pyrethrins.
Caterina Catalano +6 more
doaj +1 more source
Journal of Pediatric Emergency and Intensive Care Medicine, 2020 Pyrethroids are one of the most common insecticides and have been known as safe household insecticides. They are highly toxic for insects whereas they are low in toxicity for mammals.
Aykut Çağlar +5 more
doaj +1 more source
Agronomy, 2022 According to the European Directive 2009/128/EC and the subsequent provisions activated in member states, conventional pesticides should be progressively replaced by “non-chemical tools and/or measures”.
Carlo Duso +6 more
doaj +1 more source
Controlling Scaphoideus titanus with kaolin? Summary of four years of field trials in Switzerland
OENO One, 2023 Flavescence dorée is a quarantine phytoplasma-borne disease transmitted primarily by the leafhopper Scaphoideus titanus. When S. titanus and Flavescence dorée are present in the same vineyard, the vector has to be controlled mandatory with insecticides ...
Christian Linder +2 more
doaj +1 more source
Frontiers in Plant Science, 2020 Tanacetum cinerariifolium flowers synthesize six pyrethrins that function as effective insecticides. trans-Chrysanthemol is an early intermediate in the synthesis of the monoterpene moiety of pyrethrins.
Wei Li +8 more
doaj +1 more source
EFFECTIVNESS OF PURE DIATOMACEUS EARTH AND DIFFERENT MIXTURES OF DIATOMACEUS EARTH WITH PYRETHRINS [PDF]
Poljoprivreda, 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
Biomédica: revista del Instituto Nacional de Salud, 2007 Introducción. La evaluación de la susceptibilidad a insecticidas de las diferentes especies de triatominos, involucrados en la transmisión de la enfermedad de Chagas de cada región, es indispensable para el éxito de las campañas de control.
Marlene Reyes +2 more
doaj +1 more source
Four undescribed pyrethrins from seeds of Pyrethrum cinerariifolium and their aphidicidal activity
Natural Products and Bioprospecting, 2023 Four undescribed pyrethrins C-F (1–4) as well as four known pyrethrins (5–8) were isolated from seeds of Pyrethrum cinerariifolium Trev. The structures of compounds 1–4 were elucidated by UV, HRESIMS, and NMR (1H and 13C NMR, 1H-1H COSY, HSQC, HMBC and ...
Hao-Ran Zhou +4 more
doaj +1 more source
Reduction Chemistry of Natural Pyrethrins and Preliminary Insecticidal Activity of Reduced Pyrethrins [PDF]
Australian Journal of Chemistry, 2020 The natural extract pyrethrum is an insecticidal oil derived from Tanacetum cinerariifolium that is commonly used in domestic and agricultural pesticides. The major constituents of the extract are the Pyrethrins, six esters that provide pyrethrum with its insecticidal properties.
Todd E. Markham +3 more
openaire +1 more source
Conclusion on the peer review of the pesticide risk assessment of the active substance pyrethrins [PDF]
EFSA Journal, 2013 The conclusions of the European Food Safety Authority (EFSA) following the peer review of the initial risk assessments carried out by the competent authority of the rapporteur Member State Italy, for the pesticide active substance pyrethrins are reported.
European Food Safety Authority
doaj +1 more source