Results 101 to 110 of about 1,548 (207)
Devido à grande importância de Chrysoperla externa (Neuroptera: Chrysopidae) como agente de controle biológico de artrópodes-praga na cultura da macieira no Brasil, avaliaram-se os efeitos dos agrotóxicos (g i.a.
Alexandre Pinho de Moura +4 more
doaj
The First Record of Argulus Foliacesus (Crustacea: Branchiura) Infestation on Lionhead Goldfish (Carassius Auratus) in Iran [PDF]
Argulus foliaceus (Crustacea: Branchiura), or the fish louse, is an ectoparasite of the skin or gill of the fresh water fish species. Clinical signs in infected fish include scratching on aquarium walls, erratic swimming, and poor growth.
AH Shahmoradi, Y Chelongar, V Noaman
doaj
Determination of Trichlorfon in Technical and Powder Formulations
Abstract A facile procedure is described for the determination of trichlorfon in technical material and an 80% powder formulation by using liquid chromatography with ion-pairing and UV detection. Liquid chromatography allows the direct determination of trichlorfon and detection of any dichlorvos present.
openaire +1 more source
Espécimes juvenis de curimbatá, Prochilodus scrofa, foram divididos em dois lotes, colocados em aquários de 81 litros, sendo um controle e outro tratado com Dipterex 500 (Trichlorfon), na concentração de 0,2 µL/L, onde os peixes permaneceram até o ...
Maria José Tavares RANZANI-PAIVA +4 more
doaj
Assessing lethal and sub-lethal effects of trichlorfon on different trophic levels [PDF]
Trichlorfon (TCF) is one of the most used veterinary pharmaceuticals not only to fight infestations but also as a preventive measure worldwide. The high concentrations used generate concerns about environmental and human health.
Pereira, Susana +7 more
core +1 more source
Toxic effects of trichlorfon on perch Lateolabrax maculatus [PDF]
为了给中国花鲈(lATEOlAbrAX MACulATuS)病害防治提供根据,研究了不同浓度的敌百虫对中国花鲈鱼苗和幼鱼的急性毒性,检测了幼鱼肝脏的谷胱甘肽(gSH)、丙二醛(MdA)含量及超氧化物歧化酶(SOd)、过氧化氢酶(CAT)、谷丙转氨酶(gPT)、谷草转氨酶(gOT)和乙酰胆碱酯酶(ACHE)活力,测定了暴露在不同浓度敌百虫中幼鱼的红细胞总核异率和微核率。结果表明:敌百虫对中国花鲈鱼苗24、48、72和96 H的半致死浓度分别为7.76、3.02、1.74和1.58 Mg.l-1 ...
朱友芳, 洪万树
core
Utilizando espécimes juvenis de Prochilodus scrofa, foram registradas alterações agudas no baço de indivíduos expostos ao organofosforado Dipterex 500 (Trichlorfon). A concentração utilizada foi de 0,2 µL/Iitro de água de diluição.
Edson de Lara RODIRGUES +4 more
doaj
The Combined Use of Copper Sulfate and Trichlorfon Exerts Stronger Toxicity on the Liver of Zebrafish. [PDF]
Zhang J, Zhu M, Wang Q, Yang H.
europepmc +1 more source
Environmental Mixture Toxicity of Guanitoxin and Organophosphates in Zebrafish: from Developmental and Neurobehavioral Phenotypes to Transcriptomic Responses. [PDF]
Souza Passos L +5 more
europepmc +1 more source
The combined use of microbial agents and chemical insecticides is an effective strategy against insect pests in agroecosystems. This study evaluates the effects of four insecticides-permethrin, fenitrothion, trichlorfon, and tebufenozide-together with ...
H Firouzbakht, A Zibaee, M Ghadamyari
doaj

