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Combining Ability and Heterosis in Corn Breeding Lines to Forage and Grain

American Journal of Plant Sciences 2014年第6期5卷 845-856页

作者： Cesar Guerrero Guerrero Miguel A. Gallegos Robles josé guadalupe luna ortega Ignacio Orona Castillo Cirilo Vázquez Vázquez Mario García Carrillo Alejandro Moreno Resendez Anselmo González Torres Catederatico de la Universidad Politécnica de la Región Laguna México Catederaticos de la UAAAAUL Torreon México Direccion General de Educación Tecnológica Industrial Torreón México Universidad Juárez del Estado de Durango Venecia Dgo México

This study was conducted in two stages, in 2006 the formation of cross, in the experimental field of the Universidad Autonoma Agraria Antonio Narro Unidad Laguna (UAAANUL), and the evaluation of the same in 2007;at two locations with three environments, a locality was the experimental field of UAAANUL during spring and summer cycles and another location was the Niagara, Municipality of Aguascalientes, during the spring cycle. The genetic material used consisted of three groups of lines: the first group formed by four lines from the UAAANUL, the second group, two lines from INIFAP, and the third group, 10 lines of the International Center for Maize Improvement and Wheat (CIMMYT). The main objective was to estimate the effects of general combining ability (GCA) of the lines, and the specific combining ability (SCA) of their crosses and heterosis, to estimate its use in a breeding program. Estimates of general combining ability (GCA) and specific combining ability (SCA) were obtained using an analysis of line x line. To forage yield (FY), B-40 (16.84 t·ha-1) and AN-447 (1.54 t·ha-1) and to grain yield (GY), AN-388R (2.31 t·ha-1) had the greatest effect of GCA in both types of yield. The greatest effects of SCA for (FY) were cross AN-447XCML-264 (17.56 t·ha-1) and AN-388RXCML-319 (16.54 t·ha-1), in (GY) were cross AN-447XCML-315 (1.94 t·ha-1) and B-40XCML-319 (1.78 t·ha-1). For heterosis, higher value in forage yield was cross AN-447XCML-264 (20.7%), in grain yield, were B-40XCML-319 (27.1%) and B-32XCML-319 (22.1%) crosses. These results show that it is possible to structure a hybrid program using best lines from CIMMYT, INIFAP and UAAANUL.

关键词： Zea mays L. Hybrids Genetic Material Crosses SCA

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Arylhydrazones Derivatives Containing a Benzothiazole Moiety, Efficient Ligands in the Palladium-Catalyzed Mizoroki-Heck and Suzuki-Miyaura Cross-coupling Reactions under IR Irradiation

引用

Chinese Journal of Chemistry 2017年第12期35卷 1881-1888页

作者： Fernando ortega-Jiménez josé Guillermo Penieres-Carrillo josé guadalupe López-Cortés M. Carmen ortega-Alfaro Selene Lagunas-Rivera Departamento de Cieneias Qulmicas Facultad de Estudios Superiores Cuautitlān-UNAM Campo i Avenida lro. de Mayo s/n Cuautitlán Izcalli C.P. 54740 Estado de México México Instituto de Qulmiea UNAM Circuito Exterior Ciudad Universitaria Coyoacán C.P. 04360 Cuidad de México México Instituto de Ciencias Nucleares UNAM Circuito Exterior Ciudad Universitaria Coyoacán C.P. 04360 Ciudad de México México Catedrático CONA CyT-TecNM-Instituto Tecnológico de Tuxtla Gutiérrez Carretera Panamericana Km 1080 Col Juan Crispin Tuxtla Gutiérrez C.P. 29050 Chiapas México

A simple arylhydrazone containing the benzothiazole moiety which may be used as an efficient ligand in the palladium-catalyzed Mizoroki-Heck and Suzuki-Miyaura cross-coupling reactions, under infrared irradiation as an alternative source of energy, is presented. The reactions proceeded with extremely high efficiency under mild conditions and produced very good yields.

关键词： arylhydrazones palladium-catalyzed cross-coupling reaction IR-irradiation

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