Genetic Difference of Siblines Derived from Winter Wheat Germplasm “Aimengniu” GENETIC DIVERSITY OF WHEAT GERMPLASMRESISTANCE TO THE APHID(Sitobion avenae F.) BY SSR MARKERS Genetic Diversity of 405 Wheat Lines from CIMMYT Iron and Zinc Contents in Shandong Wheat Landrace Resistance of CIMMYT Wheat Germplasm to Heterodera filipjevi Xuchang Population from Henan Province, China Molecular Cytogenetic Analysis of Winter Wheat Germplasm Aimengniu Identification and genetic analysis of resistance to stripe rust in wheat germplasm WS4-8 Foreign Wheat Germplasm Investigation, Introduction and Utilization in Ningxia Analysis of Flour Whiteness in Wheat Germplasm Conserved in Shandong Province Genetic Differences in Homoeologous Group 1 of Seven Types of Winter Wheat Aimengniu Study on analysis of types for phosphorus nutrition characteristics and their stabilities over testing years Studies on Wheat Germplasm Screening Method for Efficient Utiliza-tion of Soil Phosphorus