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