Analysis on Heterotic Groups of 17 Inbred Lines Derived Maize Landraces Heterotic Grouping of Maize Inbred Lines Using RFLP and SSR Markers Studies on the Heterotic Patterns between Tropical Subtropical and Chinese Temperate Germplasms in Maize Application of AFLP Markers to Heterotic Grouping of Elite Maize Inbred Assessment on geneticrelationships among 15 maize (Zea mays)elite inbred lines of China using SSRmarkers:comparisons Heterotic Types of Hybrid Wheat in Central Shaanxi Province Mapping Heterotic Loci for Yield and Agronomic Traits Using Chromosome Segment Introgression Lines in Cotton Study on Heterotic Ecotypes of Japonica Rice Based on the Heterosis Analysis of Plant Height Heterosis Based on QTL Mapping in Wheat Analysis of Population Genetic Structure of Maize by SSR Marker and Heterotic Grouping RFLP Detection of Genetic Variation of Maize Inbred Lines Combining Ability and Heterosis of 14 CIMMYT and 13 Domestic Maize Populations in an NCⅡ Mating Design Analysis on Heterotic Groups and Heterotic Patterns of High Oil Corn Inbred Lines Cluster Analysis of Local Maize(Zea mays L.) Germplasm in Sichuan Based on SSRs Genetic Diversity of Elite Maize Germplasm for Resistant to SCMV Heterotic Ecotypes Grouping of Japonica Rice by Combining Ability