SNP Detection in Tobacco (Nicotiana tabacum) Mitochondrial Gene CoxⅡ and Its Association with CMS Candidate Sterility-Related Mitochondrial Genes of NCa CMS in Brassica napus L. and Its Transcription Regulated by Restorer Gene Differential Expression Analysis of Genes at the Stage before Anther Abortion of NCa CMS System in Brassica napus L. RAPD analysis of CMS line and its maintainer line in Chinese Cabbage (Brassica campestris ssp.pekinensis) Effect of Nitrogen Deficiency on Yield and Photosynthetic Traits of Cytoplasmic Male Sterility Maize Detection and Genetic Analysis of the Restoring Abilities of Single Segment Substitution Line (SSSL) to CMS-DA in Rice Effects of ADP-Glucose Pyrophosphorylase Activity on Sterility and Development of Grain in K, V, and T-Cytoplasmic Male Sterile Lines in Wheat