Results 11 to 20 of about 13,566 (217)

Unlocking Kenya’s Pyrethrum Potential: A Breeding Review for a Competitive Future

open access: yesAdvances in Agriculture
Pyrethrum (Tanacetum cinerariifolium) is a strategically important industrial crop underpinning the world supply of organic pesticides. Despite Kenya’s past dominance in global pyrethrum production, the genetic improvement of the crop has lagged.
Wilfred Abincha   +2 more
doaj   +2 more sources

Genome-scale Metabolic Modeling Guided Escherichia coli Engineering for De Novo Biosynthesis of Chrysanthemic Acid. [PDF]

open access: yesAdv Sci (Weinh)
Genome‐scale metabolic modeling is preceded to the engineered E. coli cell factory for the de novo biosynthesis of biopesticide chrysanthemic acid. The debranching strategy redirects metabolic flux, enhancing precursor and target compound production.
Yu J   +6 more
europepmc   +2 more sources

Anacyclus pyrethrum var. pyrethrum (L.) and Anacyclus pyrethrum var. depressus (Ball) Maire: Correlation between Total Phenolic and Flavonoid Contents with Antioxidant and Antimicrobial Activities of Chemically Characterized Extracts

open access: yesPlants, 2021
In this work, two varieties of Anacyclus pyrethrum (L.) including Anacyclus pyrethrum var. pyrethrum (L.) and Anacyclus pyrethrum var. depressus (Ball) Maire were evaluated for their mineral and chemical compositions, total phenolic and flavonoid ...
Fatima Zahra Jawhari   +11 more
doaj   +1 more source

Frequency of pyrethroid resistance in human head louse treatment: systematic review and meta-analysis

open access: yesParasite, 2021
Head lice (Pediculus humanus capitis) are one of the most common insects causing infestations in humans worldwide, and infestation is associated with adverse socio-economic and public health effects. The development of genetic insensitivity (e.g., target
Mohammadi Jalal   +7 more
doaj   +1 more source

Natural and Synthetic Pyrethrins Act as Feeding Deterrents against the Black Blowfly, Phormia regina (Meigen)

open access: yesInsects, 2022
Pyrethrum is a botanical insecticide derived from pyrethrum flowers. Feeding deterrence caused by pyrethrum has been reported in several sucking insects; however, there is no account of the cause of deterrence—whether from a single component or the ...
Takeshi Kojima   +2 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

“Pyrethrum” in Peonies [PDF]

open access: yesNature, 1967
IN 1962, it was reported that the petals of Paeonia albiflora Pall. contain considerable quantities of “pyrethroids”1. The chemical evidence was based on ultraviolet absorption maxima and on the supposed isolation of chrysanthemum mono- and di-carboxylic acids.
P J, Godin   +3 more
openaire   +2 more sources

Additive Effect of Botanical Insecticide and Entomopathogenic Fungi on Pest Mortality and the Behavioral Response of Its Natural Enemy

open access: yesPlants, 2020
Sustainable agricultural intensification employs alternatives to synthetic insecticides for pest management, but these are not always a direct replacement.
G. Mandela Fernández-Grandon   +4 more
doaj   +1 more source

Exterminator for the Nests of Vespa velutina nigrithorax Using an Unmanned Aerial Vehicle

open access: yesDrones, 2023
Vespa velutina nigrithorax, a species of hornet, is spreading globally, with increasingly negative effects on human health. To effectively eliminate V.
Chun-Gu Lee, Seung-Hwa Yu
doaj   +1 more source

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