Results 21 to 30 of about 211,123 (328)

Controle químico de ovos e ninfas de Bemisia tabaci biótipo B (Hemiptera: aleyrodidae) Chemical control of Bemisia tabaci B biotype (Hemiptera: aleyrodidae) eggs and nymphs

open access: yesScientia Agricola, 2002
Moscas brancas são pragas de diversas culturas, causam redução na produção e na qualidade do produto. Inseticidas, com diferentes modos de ação vêm sendo utilizados, sem muito sucesso.
Giuliana Etore do Valle   +2 more
doaj   +1 more source

Insecticide control in a Dengue epidemics model [PDF]

open access: yesAIP Conf. Proc. 1281 (2010), no. 1, 979--982, 2010
A model for the transmission of dengue disease is presented. It consists of eight mutually-exclusive compartments representing the human and vector dynamics. It also includes a control parameter (insecticide) in order to fight the mosquitoes. The main goal of this work is to investigate the best way to apply the control in order to effectively reduce ...
arxiv   +1 more source

Evaluation of Insecticides for the Management of Litchi Fruit and Shoot Borer [PDF]

open access: yes, 2020
Litchi is an important subtropical evergreen fruit crop grown in Nepal, which have high nutritive value and refreshing taste. The Litchi growers are experiencing severe loss every year with the damage caused by several insect pests.
Aryal, S. (Sunil)   +3 more
core  

Cocktail effect of Profenophos and Abamectin on tadpoles of Asian Common Toad (Duttaphrynus melanostictus)

open access: yesCeylon Journal of Science, 2018
Farmers mix two or more pesticides as mixing saves the spraying time and the labour cost and also with the idea that it increases the efficiency. The cocktail effect of two agrochemicals, profenophos and abamectin, was tested on the tadpoles of the Asian
R. R. P. Y. K. Rathanayaka   +1 more
doaj   +1 more source

Effects of insecticides intended for Ceutorhynchus napi Gyll. control in oilseed rape on ground beetles [PDF]

open access: yesPesticidi i Fitomedicina, 2017
The effects of insecticides that are commonly used for conventional and integrated oilseed rape (OSR) management on ground beetles were studied. Monitoring of harmful species showed that only insecticides intended against Ceutorhynchus napi should be ...
Sivčev Lazar   +6 more
doaj   +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

ON THE ENVIRONMENTAL RISK OF A PATHOLOGY OF THE GASTROINTESTINAL TRACT ADULT POPULATION KURSK AREA UNDER INTENSIVE USE OF INSECTICIDES

open access: yesRUDN Journal of Ecology and Life Safety, 2017
This paper presents the evaluation of the use of insecticides in the agricultural production of the Kursk region. Studied territorial load dominant crop insecticides in a complex region for the period 2006-2013, were ranked the region in terms of ...
V A Korolev   +5 more
doaj   +1 more source

An optimal control approach to malaria prevention via insecticide-treated nets [PDF]

open access: yesConference Papers in Mathematics, vol. 2013, Article ID 658468, 8 pages, 2013, 2013
Malaria is a life threatening disease, entirely preventable and treatable, provided the currently recommended interventions are properly implemented. These interventions include vector control through the use of insecticide-treated nets (ITNs). However, ITN possession does not necessarily translate into use.
arxiv   +1 more source

Analysis of the olive fruit fly Bactrocera oleae transcriptome and phylogenetic classification of the major detoxification gene families [PDF]

open access: yes, 2013
he olive fruit fly Bactrocera oleae has a unique ability to cope with olive flesh, and is the most destructive pest of olives worldwide. Its control has been largely based on the use of chemical insecticides, however, the selection of insecticide ...
Antonios Chrysargyris   +6 more
core   +4 more sources

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