Results 21 to 30 of about 475,658 (237)

Evaluation of the susceptibility of the pea aphid, Acyrthosiphon pisum, to a selection of novel biorational insecticides using an artificial diet [PDF]

open access: yes, 2009
An improved technique was developed to assay the toxicity of insecticides against aphids using an artificial diet. The susceptibility of the pea aphid Acyrthosiphon pisum (Harris) (Hemiptera: Aphidoidea) was determined for a selection of novel ...
Sadeghi, Amin   +2 more
core   +3 more sources

Ethanol Dehydrogenase I Contributes to Growth and Sporulation Under Low Oxygen Condition via Detoxification of Acetaldehyde in Metarhizium acridum

open access: yesFrontiers in Microbiology, 2018
The entomopathogenic fungi encounter hypoxic conditions in both nature and artificial culture. Alcohol dehydrogenases (ADHs) are a group of oxidoreductases that occur in many organisms.
Erhao Zhang   +8 more
doaj   +1 more source

Determination of pesticide toxicity parameters using probit-analysis

open access: yesКарантин і захист рослин, 2023
Goal of the research is to consider the main concepts used in the probit-analysis method, the features of its application to determine the toxicity of pesticides, in particular insecticides, acaricides and fungicides. Methods.
O. Shevchuk   +3 more
doaj   +1 more source

First Record of \u3ci\u3eAphis Helianthi\u3c/i\u3e (Homoptera: Aphididae) as a Pest of Celery [PDF]

open access: yes, 2017
In 1989, the aphid Aphis helianthi severely damaged five of 10 scouted celery fields in west central Michigan. In 1990 and in 1991, A. helianthi again was a problem. reaching pestiferous levels in three of 10 and two of 10 scouted fields.
Davis, M. G. Kortier, Grafius, E.
core   +2 more sources

The efficacy of protection by modern insecticides in the industrial cherry plantations against cherry fruit fly pest

open access: yesКарантин і захист рослин, 2023
Goal. To investigate an efficacy of the insecticides Aktelik 500 ЕС, (pyrymyphos-methyl 500 g/l), Calipso 480 SС (thiacloprid, 480 g/l), Proclaim 50 SG (emamectyn benzoat, 50 g/ kg), Movento 100 SC (spirotetramate, 100 g/l), Exirel, СЕ (cyantraniliprole,
Y. Yanovskyi   +3 more
doaj   +1 more source

Do novel insecticides pose a threat to beneficial insects?

open access: yesProceedings of the Royal Society B, 2020
Systemic insecticides, such as neonicotinoids, are a major contributor towards beneficial insect declines. This has led to bans and restrictions on neonicotinoid use globally, most noticeably in the European Union, where four commonly used neonicotinoids
H. Siviter, Felicity Muth
semanticscholar   +1 more source

Some Observations on Insecticide Resistance [PDF]

open access: yes, 2017
A model for development of resistance to an insecticide in an insect population is presented. The rate of development of resistance increased with increases in the proportion of the breeding population exposed to the insecticide and with increases in the
Ruppel, Robert F
core   +3 more sources

Peculiarities of toxicodynamics and evaluation of hazard of the new avermectin class insecticides–abamectin and emamectin [PDF]

open access: yesMedičnì Perspektivi, 2014
Based on the expert-analytical study of literature and websites on the results of toxicological experiments of varying duration, a hygienic evaluation of the new class of insecticides – macrocyclic lactones: abamectin and emamectin was done. It was found
Shpak B.I.   +2 more
doaj   +3 more sources

Monitoring resistance of Cydia pomonella (L.) Spanish field populations to new chemical insecticides and the mechanisms involved [PDF]

open access: yes, 2017
BACKGROUND: A widespread resistance of Cydia pomonella to organophosphates was demonstrated in populations from the Spanish Ebro Valley area that showed high levels of enzymatic detoxification.
Avilla Hernández, Jesús   +2 more
core   +3 more sources

Efficacy of Three Insecticides Applied to Bark to Control \u3ci\u3eAgrilus Planipennis\u3c/i\u3e (Coleoptera: Buprestidae) [PDF]

open access: yes, 2018
Emerald ash borer (EAB), Agrilus planipennis Fairmaire (Coleoptera: Buprestidae), is a serious exotic pest of ash (Fraxinus) trees in North America. In 2003 and 2004, we tested the efficacy of different insecticides sprayed on the bark of cut ash logs ...
Haack, Robert A, Petrice, Toby R
core   +2 more sources

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