Results 31 to 40 of about 49,403 (235)

Impacts of Root Metabolites on Soil Nematodes

open access: yesFrontiers in Plant Science, 2020
Plant parasitic nematodes cause significant crop damage globally. Currently, many nematicides have been banned or are being phased out in Europe and other parts of the world because of environmental and human health concerns.
Md Maniruzzaman Sikder   +2 more
doaj   +1 more source

Mitigating Norway spruce mortality through the combined use of an anti-attractant for Ips typographus and an attractant for Thanasimus formicarius

open access: yesFrontiers in Forests and Global Change
This study investigates the efficacy of combined treatment strategy, incorporating pheromones for bark beetle I. typographus (IT) and attractant of its natural enemy T. formicarius (TF), along with anti-attractants for IT (containing 1-hexanol, 1-octen-3-
Nataliya Korolyova   +7 more
doaj   +1 more source

How Effective Are Push–Pull Semiochemicals as Deterrents for Bark Beetles? A Global Meta-Analysis of Thirty Years of Research

open access: yesInsects, 2023
Bark beetles (Coleoptera: Curculionidae: Scolytinae) are among the most damaging tree pests globally. Rising temperatures, drought, fire, storms, cyclones, and poor forest management cause stress and loss of vigour in trees, and these conditions favour ...
Somia Afzal   +3 more
doaj   +1 more source

Confinement by biased velocity jumps: aggregation of Escherichia coli [PDF]

open access: yes, 2014
We investigate a linear kinetic equation derived from a velocity jump process modelling bacterial chemotaxis in the presence of an external chemical signal centered at the origin.
Calvez, Vincent   +2 more
core   +5 more sources

TLC-Based Bioassay to Isolate Kairomones from Tea Tree Essential Oil That Attract Male Mediterranean Fruit Flies, Ceratitis capitata (Wiedemann)

open access: yesBiomolecules, 2020
The Mediterranean fruit fly, Ceratitis capitata (Wiedemann) (Diptera: Tephritidae) poses a major threat to fruit and vegetable production in the United States and throughout the world.
Nurhayat Tabanca   +3 more
doaj   +1 more source

Serendipitous, cross familial discovery of the first long-range chemical attractants for antlions (Neuroptera: Myrmeleontidae): (1R,2S,5R,8R)-Iridodial and Z,E-nepetalactol

open access: yesFrontiers in Ecology and Evolution, 2015
Synthetic (1R,2S,5R,8R)-iridodial, the key pheromone component of many green lacewings in the genus Chrysopa, strongly attracted adult males and females of the North American antlion, Dendroleon speciosus Banks.
Qing-He eZhang   +9 more
doaj   +1 more source

Behavioural Responses of Male Aedes albopictus to Different Volatile Chemical Compounds

open access: yesInsects, 2022
The Asian tiger mosquito, Aedes albopictus, has become one of the most important invasive vectors for disease pathogens such as the viruses that cause chikungunya and dengue.
Davide Carraretto   +5 more
doaj   +1 more source

Chemotactic properties of Escherichia coli mutants having abnormal Ca2+ content [PDF]

open access: yes, 1995
The calA, calC, and calD mutants of Escherichia coli are known to be sensitive to Ca2+ (R. N. Brey and B. P. Rosen, J. Bacteriol. 139:824-834, 1979).
Adler, Julius, Tisa, Louis S.
core   +3 more sources

Difference in the chemotaxis between monotrichous and peritrichous bacteria clarified by a numerical simulation and observation

open access: yesJournal of Biomechanical Science and Engineering, 2022
We investigate difference in the chemotactic behavior between peritrichous bacteria (Salmonella typhimurium SJW1103) and monotrichous bacteria (Vibrio alginolyticus YM4).
Tonau NAKAI   +2 more
doaj   +1 more source

Exploiting Environmental Computation in a Multi-Agent Model of Slime Mould

open access: yes, 2015
Very simple organisms, such as the single-celled amoeboid slime mould Physarum polycephalum possess no neural tissue yet, despite this, are known to exhibit complex biological and computational behaviour.
Jones, Jeff
core   +1 more source

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