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Test weight is an important trait in maize breeding. Understanding the genetic mechanism of test weight is important for effective selection of maize test weight improvement. In this study, quantitative trait loci (QTL) for maize test weight were identified. In the years 2007 and 2008, a F2:3 population along with the parents Chang7-2 and Zheng58 were planted in Zhengzhou, People’s Republic of China...
Sugarcane mosaic virus (SCMV) causes considerable damage to maize (Zea mays L.) in China. Characterization of resistance gene(s) serves as the basis for effective selection in resistance breeding programs. The objective of this study was to identify novel genes conferring resistance to SCMV from maize germplasm in China. A total of 21 BC 2 F 3 populations derived from 8 maize intercross...
Backcrossing is a trait introgression method of renewed importance in crops. The evolution of introgressed or substituted segments through backcross generations has been analyzed theoretically using simulations. In this study, the content of donor genomes, including donor segment number (DSN), donor segment length (DSL), and donor genome size (DGS), were directly analyzed in six crosses over three...
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