Results 31 to 40 of about 94 (89)

LEAF-CUTTING ANTS Acromyrmex niger SMITH, 1858 (HYMENOPTERA; FORMICIDAE) USED AS BIOINDICATORS OF AGROTOXICS RESIDUES

open access: yesActa Biológica Colombiana, 2014
Despite the condition of leaf-cutting ant pests in agroecosystems, it is undeniable the benefits they can bring in certain situations or environments.
Liriana Belizário Cantagalli   +3 more
doaj   +1 more source

Advanced Research on cis-Neonicotinoids

open access: yesCHIMIA, 2011
cis-Neonicotinoids are a type of neonicotinoid, in which the nitro or the cyano group are in cis-configuration relative to heteroaromatic moiety, which show excellent activities against a range of insect species. This review covers cis-neonicotinoids with commercialization perspectives, structural optimization (phenylazoneonicotinoids and ...
Xusheng Shao   +6 more
openaire   +4 more sources

Adsorción de neonicotinoides usando estructuras tipo fullereno: Un estudio DFT

open access: yesNova Scientia, 2018
Se realizó un estudio teórico de la adsorción de Tiacloprid, Acetamiprid y Tiametoxam con carbón activado. Un modelo tipo fullereno fue utilizado para simular las estructuras curvas del carbón activado.
Epifanio Salazar García   +2 more
doaj  

Silencing of CYP6CM1 gene of cotton whitefly Bemisia tabaci (Gennadius) using RNAi technique

open access: yesگیاه‌پزشکی, 2019
Background and Objectives The cotton whitefly, Bemisia tabaci (Gennadius) (Hemiptera: Aleyrodidae), is a significant agricultural pest in arable lands and on ornamental crops in temperate regions of the world and has been shown to be capable of ...
M Basij   +3 more
doaj   +1 more source

Insecticidas químicos y biorracionales utilizados por pequeños productores de hortalizas de Yucatán

open access: yesAIA Avances en Investigación Agropecuaria
Objetivo. Realizar un diagnóstico del uso de insecticidas químicos y la percepción de uso de insecticidas biorracionales en productores de hortalizas de Yucatán. Materiales y métodos.
Esaú Ruiz-Sánchez   +3 more
doaj   +1 more source

A beekeeper's perspective on the neonicotinoid ban [PDF]

open access: yesPest Management Science, 2017
Abstract Bees and agrochemicals have a long history. For example, the first volume of IBRA 's journal Bee World in 1919 contains mention of poisoning of bees by spraying an orchard with lead arsenate.
openaire   +2 more sources

Uso de insecticidas químicos y percepción del uso de insecticidas biorracionales en productores de hortalizas de Yucatán

open access: yesAIA Avances en Investigación Agropecuaria
Introducción. La dependencia global de los plaguicidas químicos es profunda, aunque pueden incrementar la producción agrícola, su uso excesivo o inadecuado tiene consecuencias negativas, como la contaminación del suelo y agua, y riesgos a la salud ...
Esaú Ruiz-Sánchez   +3 more
doaj   +1 more source

Los pesticidas; clasificación, necesidad de un manejo integrado y alternativas para reducir su consumo indebido: una revisión

open access: yesAgroecosistemas, 2018
Esta revisión está dirigida a aportar elementos teóricos para esclarecer la necesidad de un manejo integrado de pesticidas y aportar alternativas para reducir su consumo indebido.
Omar Díaz   +1 more
doaj  

The Sublethal Effects of Neonicotinoids on Honeybees

open access: yesBiology
Honeybees (Apis mellifera) are indispensable pollinators vital to global biodiversity, ecosystem stability, and agricultural productivity, and they promote over 35% of food crops and 75% of flowering plants. Yet, they are in unprecedented decline, partly as a result of neonicotinoid pesticide use elsewhere.
Zunair Ahsan   +4 more
openaire   +2 more sources

Scotts nixes neonicotinoids [PDF]

open access: yesC&EN Global Enterprise, 2016
Consumer lawn and garden care company Scotts Miracle-Gro says it will stop using neonicotinoid-based pesticides in its Ortho brand products because of concerns over honeybee health.
openaire   +1 more source

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