Results 11 to 20 of about 111,895 (309)
Experimental evolution reveals high insecticide tolerance in Daphnia inhabiting farmland ponds [PDF]
, 2015 Exposure of nontarget populations to agricultural chemicals is an important aspect of global change. We quantified the capacity of natural Daphnia magna populations to locally adapt to insecticide exposure through a selection experiment involving ...
Agra +36 more
core +2 more sources
Naturally occurring insecticides. [PDF]
Environmental Health Perspectives, 1976 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
Croatian diatomites and their possible application as a natural insecticide
Geologia Croatica, 2017 In recent decades, there has been an increase in the use of diatomaceous earth (DE) as a natural insecticide because of its low mammalian toxicity, worker safety, low risk of food residues and the occurrence of resistant insect populations associated ...
Ines Galović +7 more
doaj +1 more source
Guaiol - A Naturally Occurring Insecticidal Sesquiterpene [PDF]
Natural Product Communications, 2013 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 1H and 13C NMR, and X-ray crystallographic diffraction.
Tao, Liu +3 more
openaire +2 more sources
Arquivos do Instituto Biológico, 2017 : To evaluate the toxic effect of commercial formulations of neem oil, Azadirachta indica A. Juss, pre-pupae (PP), young pupae (YP) and old pupae (OP) of Diatraea saccharalis F.
Larissa Carla Lauer Schneider +2 more
doaj +1 more source
Impact of Insecticide Applications on Arthropod Predators and Plant Feeders in Cambodian Rice Fields
Phytobiomes Journal, 2017 Rice (Oryza sativa) is the staple crop of Cambodia. The heavy use of pesticides has caused significant financial losses to local farmers. This study examined the necessity and economic viability of insecticide use for rice cultivation, and the multiple ...
Chhay Ngin +5 more
doaj +1 more source
Frontiers in Plant Science, 2022 The invasive Melanaphis sorghi (Theobald; =Melanaphis sacchari Zehntner) is a serious pest of sorghum production in the southern USA. Demonstration of technologies that provide effective control is key to management of this pest.
Osariyekemwen Uyi +9 more
doaj +1 more source
Jurnal Entomologi Indonesia, 2020 The use of intensive and excessive insecticides on cabbage cultivations causes pest resistance, pest resurgence, environmental pollution, chemical residues, as well as decreasing the population of natural enemies and soil arthropods. Various pest control
Inrianti Sari Handayani +2 more
doaj +1 more source
Efficacy of Two Common Methods of Application of Residual Insecticide for Controlling the Asian Tiger Mosquito, Aedes albopictus (Skuse), in Urban Areas [PDF]
, 2015 After its first introduction in the 1980's the Asian tiger mosquito, Aedes albopictus (Skuse), has spread throughout Southern Europe. Ae. albopictus is considered an epidemiologically important vector for the transmission of many viral pathogens such as ...
Baseggio, A. +6 more
core +3 more sources
Brazilian Archives of Biology and Technology, 2008 The effect of aqueous extracts of Talisia esculenta (T.E.) and Sapindus saponaria (S.S.), were evaluated on the development and mortality of 8-14th day-life Spodoptera frugiperda, an important pest of maize.
Wander Laizo dos Santos +4 more
doaj +1 more source