Results 11 to 20 of about 30,589 (307)

Design, Synthesis and Insecticidal Activity of Novel Phenylurea Derivatives

open access: yesMolecules, 2015
A series of novel phenylurea derivatives were designed and synthesized according to the method of active groups linkage and the principle of aromatic groups bioisosterism in this study.
Jialong Sun, Yuanming Zhou
doaj   +2 more sources

Semi-Synthesis of C-Ring Cyclopropyl Analogues of Fraxinellone and Their Insecticidal Activity Against Mythimna separata Walker

open access: yesMolecules, 2020
Fraxinellone (1) is a naturally occurring degraded limonoid isolated from Meliaceae and Rutaceae plants. As a potential natural-product-based insecticidal agent, fraxinellone has been structurally modified to improve its activity.
Xiao-Jun Yang   +3 more
doaj   +1 more source

Larvicidal, leishmanicidal, insecticidal and anthelmintic effects of Sterculia diversifolia stem bark and leaf

open access: yesBangladesh Journal of Pharmacology, 2020
The present study was conducted to evaluate the stem bark and leaf of Sterculia diversifolia for larvicidal, leishmanicidal, insecticidal and anthelmintic activities.
Fazle Rabbi, Amir Zada, Amna Nisar
doaj   +1 more source

Isolation, Identification and Insecticidal Activity of the Secondary Metabolites of Talaromyces purpureogenus BS5

open access: yesJournal of Fungi, 2022
The fungal strain BS5 was isolated from a soil sample collected in the Tibetan Plateau, which displayed good insecticidal activity and was identified as Talaromyces purpureogenus based on morphological and molecular analysis. This study aimed to evaluate
Ying Yue   +7 more
doaj   +1 more source

Synthesis and insecticidal activity of diacylhydrazine derivatives containing a 3-bromo-1-(3-chloropyridin-2-yl)-1H-pyrazole scaffold

open access: yesChemistry Central Journal, 2017
Background The diacylhydrazine derivatives have attracted considerable attention in recently years due to their simple structure, low toxicity, and high insecticidal selectivity.
Yanyan Wang   +9 more
doaj   +1 more source

Characterization of a Chitin-Binding Protein from Bacillus thuringiensis HD-1. [PDF]

open access: yesPLoS ONE, 2013
Strains of Bacillus thuringiensis produce insecticidal proteins. These strains have been isolated from diverse ecological niches, such as soil, phylloplane, insect cadavers and grain dust.
Naresh Arora   +4 more
doaj   +1 more source

Insecticidal Activity of Chitinases from Xenorhabdus nematophila HB310 and Its Relationship with the Toxin Complex

open access: yesToxins, 2022
Xenorhabdus nematophila HB310 secreted the insecticidal protein toxin complex (Tc). The chi60 and chi70 chitinase genes are located on the gene cluster encoding Tc toxins.
Jia Liu   +6 more
doaj   +1 more source

Do holes in long-lasting insecticidal nets compromise their efficacy against pyrethroid resistant Anopheles gambiae and Culex quinquefasciatus? : Results from a release-recapture study in experimental huts [PDF]

open access: yes, 2015
Resistance of malaria vectors to pyrethroids threatens the effectiveness of long-lasting insecticidal nets (LLINs) as a tool for malaria control. Recent experimental hut and observational studies in Benin show that pyrethroid resistance reduces the ...
Sébastien Boyer (2162560)   +22 more
core   +1 more source

Residues of Legume AG41 Peptide Crucial to Its Bio-Insecticidal Activity

open access: yesBiomolecules, 2023
Currently, crop protection relies heavily on chemical treatments, which ultimately leads to environmental contamination and pest resistance. Societal and public policy considerations urge the need for new eco-friendly solutions.
Fatima Diya   +8 more
doaj   +1 more source

Insecticidal Natural Products From Sri Lankan Plants [PDF]

open access: yes, 1997
This thesis describes investigations of the insecticidal compounds of three Sri Lankan plants, Pleurostylia opposita (Wall) Alston (Celastraceae), Aegle marmelos Correa (Rutaceae) and Excoecaria agallocha Linn. (Euphorbiaceae).
Samarasekera, J. K. R. R.   +2 more
core   +1 more source

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