Results 1 to 10 of about 15,838 (212)

The Fungus Metarhizium sp. BCC 4849 Is an Effective and Safe Mycoinsecticide for the Management of Spider Mites and Other Insect Pests

open access: yesInsects, 2021
Five isolates of Metarhizium sp. were evaluated for their pathogenicity against the spider mite (Tetranychus truncatus Ehara) (Acari: Tetranychidae) and Metarhizium sp. BCC 4849 resulted in the highest mortality (82%) on the 5th day post-inoculation (DPI)
Rudsamee Wasuwan   +14 more
doaj   +1 more source

Identification of onosma visianii roots extract and purified shikonin derivatives as potential acaricidal agents against tetranychus urticae [PDF]

open access: yes, 2017
There is an increasing need for the discovery of reliable and eco-friendly pesticides and natural plant-derived products may play a crucial role as source of new active compounds.
Benelli, S.   +7 more
core   +1 more source

Conclusion on the peer review of the pesticide risk assessment of the active substance valifenalate [PDF]

open access: yesEFSA 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, Hungary, for the pesticide active substance valifenalate are ...
European Food Safety Authority
doaj   +1 more source

Comparison of synthetic membranes in the development of an in vitro feeding system for Dermanyssus gallinae [PDF]

open access: yes, 2010
Although artificial feeding models for the poultry red mite (Dermanyssus gallinae) most frequently use biological membranes consisting of day-old chick skin, there are ethical considerations associated with the use of skin.
D.W.J. Harrington   +8 more
core   +1 more source

Targeted mutagenesis using CRISPR-Cas9 in the chelicerate herbivore Tetranychus urticae [PDF]

open access: yes, 2020
The use of CRISPR-Cas9 has revolutionized functional genetic work in many organisms, including more and more insect species. However, successful gene editing or genetic transformation has not yet been reported for chelicerates, the second largest group ...
Dermauw, Wannes   +5 more
core   +1 more source

Expression of a barley cystatin gene in maize enhances resistance against phytophagous mites by altering their cysteine-proteases [PDF]

open access: yes, 2011
Phytocystatins are inhibitors of cysteine-proteases from plants putatively involved in plant defence based on their capability of inhibit heterologous enzymes.
A Kiggundu   +49 more
core   +2 more sources

Phenotypic and genotypic characterization of acaricide resistance in Rhipicephalus microplus field isolates from South Africa and Brazil

open access: yesInternational Journal for Parasitology: Drugs and Drug Resistance
Rhipicephalus (Boophilus) microplus is one of the most successful ticks infesting cattle around the world. This highly-invasive species transmits cattle parasites that cause cattle fever leading to a high socio-economic burden.
Dieter J.A. Heylen   +13 more
doaj   +1 more source

An economic evaluation of cattle tick acaricide-resistances and the financial losses in subtropical dairy farms of Ecuador: A farm system approach

open access: yesPLoS ONE, 2023
Estimates of economic losses in cattle due to tick infestations in subtropical areas are limited, such as in Ecuador. Ticks affect animal production and health, but those direct effects are difficult to estimate since financial exercises carried out in ...
Valeria Paucar-Quishpe   +12 more
doaj  

Biocidal potential of Eugenia pyriformis essential oil in the control of Rhipicephalus (Boophilus) microplus in the free-living cycle [PDF]

open access: yesPesquisa Veterinária Brasileira, 2019
: Brazil has one of the largest commercial cattle herds in the world, which naturally coexist with an enormous number of parasitic species. Southern cattle tick, Rhipicephalus (Boophilus) microplus, is among these species, interfering with animal ...
Jaqueline P. Medeiros   +7 more
doaj   +1 more source

Relationship between acaricide resistance and acetylcholinesterase gene polymorphisms in the cattle tick Rhipicephalus microplus

open access: yesParasite
In this study, we aimed to develop a comprehensive methodology for identifying amino acid polymorphisms in acetylcholinesterase transcript 2 (AChE2) in acaricide-resistant Rhipicephalus microplus ticks.
Cossio-Bayugar Raquel   +3 more
doaj   +1 more source

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