Chlorophyll diagnoses of N nutrition for different winter wheat cultivars on dryland Genetic Diversity and Phylogenetic Relationship of Flower-lotus Cultivars(Nelumbo) by RAPD Markers New Cultivars of Forage and Fodder Crop Analysis of Genetic Diversity of Chinese Cucumber Breeding Cultivars Based on Fruit Appearance Quality Characters Genetic Diversity Analysis of 51 Cybidium goeringii Cultivars by AFLP Molecular Markers Identification and analysis of Rice Blast resistance gene alleles in 24 rice cultivars from Liaoning Province