Construction of Primary Core Collection of Grape Genetic Resources Genotyping MybA Genes in Primary Core Collection of Grape Genetic Resources Construction of Primary Core Collection of Common Bean (Phaseolus vulgaris L.) Based on Agronomic Traits in Shanxi Province Simple Sequence Repeat Analysis of Genetic Diversity in Primary Core Collection of Peach (Prunus persica) Genetic Diversity Analysis and Primary Core Collection Construction in Yam (Dioscorea opposita Thunb.) by ISSR Marker Establishment of Peach Primary Core Collection Based on Accessions Conserved in National Fruit Germplasm Repository of Nanjing Representative Test for Primary Core Collection of Summer Sowing Soybeans in Huanghuai Region of China