NDLI: Plant characterization of genetically modified maize hybrids MON-89Ø34-3 × MON-88Ø17-3, MON-89Ø34-3 × MON-ØØ6Ø3-6, and MON-ØØ6Ø3-6: alternatives for maize production in Mexico

Content Provider	Springer Nature Link
Author	Heredia Díaz, Oscar Aldaba Meza, José Luis Baltazar, Baltazar M. Bojórquez Bojórquez, Germán Castro Espiza, Lucia Corrales Madrid, José Luis Fuente Martínez, Juan Manuel Durán Pompa, Héctor Abel Alonso Escobedo, José Espiza Banda, Armando Garzón Tiznado, José Antonio González García, Juvencio Guzmán Rodríguez, José Luis Madueño Martínez, Jesús Ignacio Martínez Carrillo, José Luis Meng, Chen Quiñones Pando, Francisco Javier Rosales Robles, Enrique Ruiz Hernández, Ignacio Treviño Ramírez, José Elías Uribe Montes, Hugo Raúl Zavala García, Francisco
Copyright Year	2016
Abstract	Environmental risk assessment (ERA) of genetically modified (GM) crops is a process to evaluate whether the biotechnology trait(s) in a GM crop may result in increased pest potential or harm to the environment. In this analysis, two GM insect-resistant (IR) herbicide-tolerant maize hybrids (MON-89Ø34-3 × MON-88Ø17-3 and MON-89Ø34-3 × MON-ØØ6Ø3-6) and one herbicide-tolerant GM hybrid (MON-ØØ6Ø3-6) were compared with conventional maize hybrids of similar genetic backgrounds. Two sets of studies, Experimental Phase and Pilot Phase, were conducted across five ecological regions (ecoregions) in Mexico during 2009–2013, and data were subject to meta-analysis. Results from the Experimental Phase studies, which were used for ERA, indicated that the three GM hybrids were not different from conventional maize for early stand count, days-to-silking, days-to-anthesis, root lodging, stalk lodging, or final stand count. Statistically significant differences were observed for seedling vigor, ear height, plant height, grain moisture, and grain yield, particularly in the IR hybrids; however, none of these phenotypic differences are expected to contribute to a biological or ecological change that would result in an increased pest potential or ecological risk when cultivating these GM hybrids. Overall, results from the Experimental Phase studies are consistent with those from other world regions, confirming that there are no additional risks compared to conventional maize. Results from Pilot Phase studies indicated that, compared to conventional maize hybrids, no differences were detected for the agronomic and phenotypic characteristics measured on the three GM maize hybrids, with the exception of grain moisture and grain yield in the IR hybrids. Since MON-89Ø34-3 × MON-88Ø17-3 and MON-89Ø34-3 × MON-ØØ6Ø3-6 confer resistance to target insect pests, they are an alternative for farmers in Mexico to protect the crop from insect damage. Additionally, the herbicide tolerance conferred by all three GM hybrids enables more cost-effective weed management.
Starting Page	135
Ending Page	151
Page Count	17
File Format	PDF
ISSN	09628819
Journal	Transgenic Research
Volume Number	26
Issue Number	1
e-ISSN	15739368
Language	English
Publisher	Springer International Publishing
Publisher Date	2016-10-22
Publisher Place	Cham
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Environmental risk assessment Center of origin of maize GM maize Meta-analysis Ecoregions Data transportability Animal Genetics and Genomics Plant Genetics & Genomics Transgenics Biomedical Engineering/Biotechnology Genetic Engineering Molecular Medicine
Content Type	Text
Resource Type	Article
Subject	Genetics Animal Science and Zoology Biotechnology Agronomy and Crop Science

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