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| Loera-Barocio,J. Carlos De; Lagunes-Tejeda,Ángel; Rodríguez-Maciel,J. Concepción; Johansen-Naime,Roberto; Romero-Nápoles,Jesús; Manuel-Pinto,Víctor; Silva-Aguayo,Gonzalo. |
| Gynaikothrips ficorum (Marchal) es una plaga del laurel en zonas urbanas y posiblemente se usan insecticidas para su control, pero se desconoce su respuesta inicial a éstos. Por tanto, se determinó la susceptibilidad de varias poblaciones de esta especie (Texcoco, Córdoba y Tlayacapan) a los insecticidas permetrina, cipermetrina, diazinón, malatión, oxidemetón metílico, paratión metílico, endosulfán y metomil. La población Texcoco se usó como referencia para hacer comparaciones de la respuesta. A las 24 h de exposición, los límites de confianza de la CL50 de las tres poblaciones se traslaparon en los insecticidas cipermetrina, diazinón, malatión y oxidemetón metílico; pero no se traslaparon en Córdoba y Tlayacapan con Texcoco, para permetrina, paratión... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Endosulfán; Metomil; Organofosforados; Piretroides. |
| Ano: 2011 |
URL: http://www.scielo.org.mx/scielo.php?script=sci_arttext&pid=S1405-31952011000100007 |
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| Martínez-Bolaños,Luciano; Téliz-Ortiz,Daniel; Rodríguez-Maciel,J. Concepción; Mora-Aguilera,J. Antonio; Nieto-Ángel,Daniel; Cortés-Flores,J. Isabel; Mejía-Sánchez,Dimas; Nava-Diaz,Cristian; Silva-Aguayo,Gonzalo. |
| El control de Sigatoka negra (Mycosphaerella fijiensis Morelet) del banano (Musa acuminata Colla AAA) y plátano (Musa balbisiana Colla AAB) requiere de numerosas aplicaciones de fungicidas, principalmente de los grupos triazoles que inducen alta presión de selección en poblaciones del patógeno. El objetivo del presente estudio fue determinar la respuesta de cepas de M. fijiensis aisladas de plantaciones de banano de Tabasco y Chiapas, México, al propiconazol y tridemorf. Los bioensayos se realizaron en medio de cultivo Papa Dextrosa Agar (PDA®) adicionados con diferentes concentraciones del fungicida. Los medios se inocularon con 100 µL de una suspensión conidial y fragmentos miceliares del hongo, y se incubaron en oscuridad a 26 °C por 7 d. La... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Sigatoka negra; Propiconazol; Tridemorf; Banano; Plátano. |
| Ano: 2012 |
URL: http://www.scielo.org.mx/scielo.php?script=sci_arttext&pid=S1405-31952012000700006 |
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| Bustos-Figueroa,Gabriel; Osses-Ruiz,Francisco; Silva-Aguayo,Gonzalo; Tapia-Vargas,Maritza; Hepp-Gallo,Ruperto; Rodríguez-Maciel,J. Concepción. |
| The insecticidal properties of boldus (Peumus boldus Molina) powder used alone and mixed with lime against adults of maize weevil (Sitophilus zeamais Motschulsky) were evaluated under laboratory conditions. Additionally, aeration effects (presence or absence) and temperature (room temperature vs. 3 ºC) on insecticidal properties were studied over time. A mortality rate of 100% was observed at 20 g kg-1 (w/w) of P. boldus powder when used alone and mixed with lime in proportions of 50:50, 60:40, and 80:20. The 50% lethal concentration (LC50) for all treatments was < 5 g kg-1, while LC90 was 11 g kg-1. Mixing corn grains with different insecticidal treatments did not affect maize germination. Temperature and aeration did not influence mortality of maize... |
| Tipo: Journal article |
Palavras-chave: Boldus; Maize weevil; Stored corn. |
| Ano: 2009 |
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-58392009000300007 |
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| Tucuch-Haas,Jorge I; Rodríguez-Maciel,J Concepción; Lagunes-Tejeda,Ángel; Silva-Aguayo,Gonzalo; Aguilar-Medel,Sotero; Robles-Bermudez,Agustín; Gonzalez-Camacho,Juan M. |
| Spiromesifen is an insecticide that inhibits the synthesis of lipids and, in Mexico, its use against the Tomato-Potato Psyllid, Bactericera cockerelli (Sulc), on chili pepper (Capsicum annum), tomato (Lycopersicon sculentum) and potato (Solanum tuberosum) began in 2005; however more information is needed to understand its toxicity on this insect pest. The aim of this research was to determine the toxicity of spiromesifen against each of the biological stages of tomato-potato psyllid, its effect on fertility and viability of eggs deposited by treated females, as well as the female preference to lay eggs on treated and non treated plants. The relative toxicity at 95% mortality (highest LC95 value /LC95 value of the respective biological stage) of... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Tetronic acid; Tomato-potato psyllid. |
| Ano: 2010 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-566X2010000300019 |
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| Campuzano-Martínez,Aidee; Rodríguez-Maciel,J Concepcion; Lagunes-Tejeda,Ángel; Llanderal-Cázares,Celina; Terán-Vargas,Antonio P; Vera-Graziano,Jorge; Vaquera-Huerta,Humberto; Silva-Aguayo,Gonzalo. |
| In two field-collected populations of de Bemisia tabaci (Gennadius) B biotype previously selected with the neonicotinoid insecticide thiamethoxam (NEO-R, NEO-N), and a population susceptible to insecticides (SUSC), the level of response to the insecticide thiametoxam, as well as the life and fertility tables were determined. At LC95, the NEO-R population showed a resistance ratio (RR95) value of 8.8-fold, an intrinsic rate of increase (r m) of 0.72. The fitness of the NEO-R and NEO-N populations in relation to the SUSC was 1.5 and 2.0, respectively. The RR95 value for NEO-N was 1.9-fold; it's r m value was 0.082, while in the SUSC population was 0.041. The developmental time of egg and adult were longer in NEO-R population, while the nymph and pupa lasted... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Neonicotinoid; Life table; Fertility table. |
| Ano: 2010 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-566X2010000300018 |
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