Results 21 to 30 of about 432,012 (339)

Evaporated extracts of samples for pesticide residue analysis simplifies transport from remote places [PDF]

open access: yes, 1997
The increasing use of pesticides demands a world-wide control of residue levels in food and the environment. However, pesticide residue analysis is challenging and needs both experience and instrumentation.
Terenius, Olle, Åkerblom, Malin
core   +1 more source

Toxic effect of cyanobacterial (blue–green algae) extracts as natural pesticides for the control of Spodoptera frugiperda (J. E. Smith) (Lepidoptera: Noctuidae)

open access: yesEgyptian Journal of Biological Pest Control, 2023
Background The Spodoptera frugiperda (J. E. Smith) (Lepidoptera: Noctuidae) is a cosmopolitan polyphagous pest that feeds on nearly 80 species of plants The pest can cause upto 100% damage to crops if neglected.
C. H. Sharanappa   +6 more
doaj   +1 more source

Pesticides Handling Practices Among Potato Growers in Kavrepalanchok, Nepal [PDF]

open access: yes, 2020
The rate of pesticide application in the agricultural field is surging. Farmers are getting exposed to pesticide hazards from the misuse and unsafe handling of pesticides.
Katuwal, K. (Krishna)   +3 more
core  

Chalcogen bond-guided conformational isomerization enables catalytic dynamic kinetic resolution of sulfoxides

open access: yesNature Communications, 2022
Conformational isomerization of organic molecules can be guided by noncovalent interactions. Here, the authors report the synthesis of chiral sulfoxides catalyzed by N-heterocyclic carbenes; intramolecular chalcogen bonding interactions are key for ...
Jianjian Liu   +4 more
doaj   +1 more source

Flood event impact on pesticide transfer in a small agricultural catchment (Moutousse at Aurade, south west France) [PDF]

open access: yes, 2010
In this paper, pesticide transfer dynamic is studied during two flood events in a small experimental catchment close to Toulouse (south west France). Thirteen pesticide molecules (herbicides, fungicides) have been analysed by multi-residue technique on ...
Durbe, Gaël   +5 more
core   +1 more source

Chitosan oligosaccharide alleviates the growth inhibition caused by physcion and synergistically enhances resilience in maize seedlings

open access: yesScientific Reports, 2022
The use of biopesticides has gradually become essential to ensure food security and sustainable agricultural production. Nevertheless, the use of single biopesticides is frequently suboptimal in agricultural production given the diversity of biotic and ...
Jingchong Li   +6 more
doaj   +1 more source

Pesticides

open access: yes, 2019
Analysis of pesticide residues is very important to enforce legislation and guarantee food safety. The correct use of pesticides is still crucial in agriculture because they provide spectacular increases in crop yields and ensure global demand for grain.
Andreu Pérez, V., Picó, Yolanda
openaire   +2 more sources

1973 Evaluations of Some Pesticide Residues in Food: The Monographs. Food and Agriculture Organization of the United Nations, Rome, 1975. 491 p. Available from Unipub, Box 433, Murray Hill Station, New York, NY 10016. $15.00. [PDF]

open access: yes, 2017
(excerpt) The evaluations of residues on foodstuffs contained in these monographs were prepared by a joint meeting of an FA0 expert committee and a WHO expert committee on pesticide residues that met in Geneva and produced its report Pesticide Residues ...
Brown, A. W. A
core   +2 more sources

Herbicide accumulation and evolution in reservoir sediments [PDF]

open access: yes, 2009
The aim of the present study was to understand the effect of reservoir configurations on sediment pesticide fate. Two dams were selected on the River Garonne, in southwest France: Carbonne and Golfech, both with reservoirs subject to accumulation of ...
Delmas, François   +9 more
core   +4 more sources

Synthesis and biological activity of myricetin derivatives containing 1,3,4-thiadiazole scaffold

open access: yesChemistry Central Journal, 2017
Background Myricetin and 1,3,4-thiadiazole derivatives were reported to exhibit favorable antiviral and antibacterial activities. Aiming to discover novel myricetin analogues with potent activities, a series of novel myricetin derivatives containing 1,3 ...
Xinmin Zhong   +7 more
doaj   +1 more source

Home - About - Disclaimer - Privacy