Breeding of Chamaecrista rotundifolia ‘Minyu 2’ Resistance identification of the rice varieties in southeastern China to rice stripe disease Research progress on germplasm resources of Glycyrrhizae Radix et Rhizoma A Preliminary of Report on Breeding of a New Variety of White Clover with Drought and Heat Resistance Foreign Wheat Germplasm Investigation, Introduction and Utilization in Ningxia BREEDING OF HUAYU 22 BY ~(60)CO γ-RAYS MUTAGENESIS COMBINED WITH HYBRIDIZATION