Results 21 to 30 of about 2,500,006 (250)

Identification of Insecticidal Constituents from the Essential Oil from the Aerial Parts Stachys riederi var. japonica

Molecules, 2018
The essential oil of Stachys riederi var. japonica (Family: Lamiaceae) was extracted by hydrodistillation and determined by GC and GC-MS. A total of 40 components were identified, representing 96.01% of the total oil composition.
Meirong Quan, Qi Zhi Liu, Zhi Long Liu
doaj   +1 more source

Essential Oils for a Sustainable Control of Honeybee Varroosis

Veterinary Sciences, 2023
The Varroa destructor parasite is the main obstacle to the survival of honey bee colonies. Pest control mainly involves the use of synthetic drugs which, used with the right criteria and in rotation, are able to ensure that infestation levels are kept ...
Roberto Bava, Fabio Castagna, Ernesto Palma, Mariangela Marrelli, Filomena Conforti, Vincenzo Musolino, Cristina Carresi, Carmine Lupia, Carlotta Ceniti, Bruno Tilocca, Paola Roncada, Domenico Britti, Vincenzo Musella   +12 more
doaj   +1 more source

Toxicity and synergistic activity of compounds from essential oils and their effect on detoxification enzymes against Planococcus lilacinus

Frontiers in Plant Science, 2022
Mealybug, Planococcus lilacinus Cockerell, is a primary surface-feeding insect pest of fruit and flowering plants and also transmits plant viruses, resulting in economic crop loss.
Charles Arokiyaraj, Kangkanjyoti Bhattacharyya, Sajjalavarahalli G. Eswara Reddy, Sajjalavarahalli G. Eswara Reddy   +3 more
doaj   +1 more source

Components and Insecticidal Activity against the Maize Weevils of Zanthoxylum schinifolium Fruits and Leaves

Molecules, 2011
In our screening program for new agrochemicals from Chinese medicinal herbs and wild plants, Zanthoxylum schinifolium essential oils were found to possess strong insecticidal activity against the maize weevil Sitophilus zeamais.
Shu Shan Du, Zhi Wei Deng, Ligang Zhou, Yong Yan Wang, Zhi Long Liu, Rui Fang, Jie Cao, Cheng Fang Wang, Kai Yang, Hai Ming Zhang   +9 more
doaj   +1 more source

Chemical Composition, Antioxidant and Anti-Enzymatic Activities, and In Vitro Insecticidal Potential of Origanum compactum (Benth.) Essential Oils

Plants
This study aimed to investigate the variation in the chemical composition of Origanum compactum essential oils (EOs) from four geographically distinct locations.
Mohamed Ouknin, Hassan Alahyane, Jean Costa, Lhou Majidi   +3 more
doaj   +1 more source

Chemical constituents and biological activities against Tribolium castaneum (Herbst) of the essential oil from Citrus wilsonii leaves [PDF]

Journal of the Serbian Chemical Society, 2014
The essential oil obtained from Citrus wilsonii Tanaka leaves with hydrodistillation was investigated by GC and GC-MS. The main components of the essential oil were identified to be citronellol (16.94%), nerol acetate (10.35%), γ-terpinen (9.85%)
Chen Hai Ping, Yang Kai, You Chun Xue, Du Shu Shan, Cai Qian, He Qing, Geng Zhu Feng, Deng Zhi Wei   +7 more
doaj   +1 more source

Particle size of insecticidal suspensions and their contact toxicity vi. Effect of temperature on relative toxicity

, 1957
Two aqueous suspensions, one containing crystals of uniform size and the other containing colloidal particles, were made with each of seven solid contact poisons (two DDT-analogues, DDT, rotenone, 2-bromomercurithiophen, dieldrin and endrin).
Mcintosh, A. H.
core   +1 more source

Formaldehyde-releasers: relationship to formaldehyde contact allergy. Contact allergy to formaldehyde and inventory of formaldehyde-releasers [PDF]

, 2009
This is one of series of review articles on formaldehyde and formaldehyde-releasers (others: formaldehyde in cosmetics, in clothes and in metalworking fluids and miscellaneous).
Mari-Ann Flyvholm, Menne, T., Gerda Lensen, Pieter-Jan Coenraads, Menne, Torkil, Torkil Menné, Lensen, Gerda, de Groot, A.C., Coenraads, P.J., Lensen, G., Coenraads, Pieter-Jan, Flyvholm, Mari-ann, Anton C de Groot, de Groot, Anton C., de Groot, Anton C, Flyvholm, M.A.   +15 more
core   +2 more sources

Chemical Composition and Insecticidal Activity against Sitophilus zeamais of the Essential Oils of Artemisia capillaris and Artemisia mongolica

Molecules, 2010
In our screening program for new agrochemicals from local wild plants, Artemisia capillaris and A. mongolica were found to possess insecticidal activity against the maize weevil, Sitophilus zeamais.
Zhi Long Liu, Sha Sha Chu, Quan Ru Liu
doaj   +1 more source

An international survey of daily disposable contact lens prescribing

, 2013
Free to read\ud \ud Purpose\ud \ud The aim was to determine the extent of daily disposable contact lens prescribing worldwide and to characterise the associated demographics and fitting patterns.\ud \ud Methods\ud \ud Up to 1,000 survey forms were sent ...
Morgan, Philip B., Efron, Nathan, Woods, Craig A., The International Contact Lens Prescribing Survey Consortium,   +3 more
core   +1 more source