Results 11 to 20 of about 36,986 (299)
Pyrethrum is a perennial herbaceous plant endemic to the eastern coast of the Adriatic Sea, and introduced in large areas of nearly all continents, where it is cultivated for the industrial extraction of pyrethrins.
Caterina Catalano +6 more
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Impact of Crude Methanolic Extract of Melia azedarach L. on The Fecundity and The Cuticle of The Adult House Fly, Musca domestica Macq [PDF]
The house fly Musca vicina Macq is found in human habitat. Insecticides usually destroy the natural enemies of a given pest more than the pest itself.
Eman Radwan +3 more
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According to the European Directive 2009/128/EC and the subsequent provisions activated in member states, conventional pesticides should be progressively replaced by “non-chemical tools and/or measures”.
Carlo Duso +6 more
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Field experiments were conducted at two different geographical regions viz., tropical region (Naraseepuram village, Coimbatore) and temperate region (Kookal village, Kotagiri, The Nilgiris) in summer and winter season’s to assess the bioefficacy of ...
Beena, R., Selvi, V.
core +1 more source
Spodoptera frugiperda is a major pest of maize crops. The application of synthetic insecticides and the use of Bt maize varieties are the principal strategies used for its control.
Virginia L. Usseglio +2 more
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Naturally occurring insecticides. [PDF]
Naturally occurring insecticides are abundant and varied in their effects, though but a few are articles of commerce. Even for these, pyrethrum, nicotine, rotenone, hellebore, ryania, and sabadilla, there is a paucity of information on mammalian toxicology and environmental effects.
openaire +2 more sources
Laboratory bioassays were conducted to evaluate the insecticidal efficacy of a diatomaceous earth deposit from Greece, for a wide range of stored product insects. In this context, populations of five different insect species, Tribolium confusum Jacquelin
Georgia V. Baliota +1 more
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Fumigation and repellency of essential oils against Callosobruchus maculatus (Coleoptera: Chrysomelidae: Bruchinae) in cowpea [PDF]
: The objective of this work was to assess the fumigant and repellent effects of essential oils on adults of Callosobruchus maculatus and to identify the chemical composition of two of the tested essential oils.
José Vargas de Oliveira +5 more
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This study evaluated the influence of temperature and relative humidity (RH) on the insecticidal effect of diatomaceous earth (DE) at two concentrations, 500 and 1000 ppm, on wheat, for the control of Cryptolestes ferrugineus (Stephens) (Coleoptera ...
Georgia V. Baliota +2 more
doaj +1 more source
Guaiol - A Naturally Occurring Insecticidal Sesquiterpene [PDF]
The dichloromethane fraction of Ferula ferulaeoides was analyzed by GC and GC-MS, and thirty-four compounds were identified. The main component in the fraction, guaiol (37.0%) was separated by chromatographic methods and identified from spectroscopic data, including 1 H and
Tao, Liu +3 more
openaire +2 more sources

