STUDIES ON THE RICE NOVEL CYTOPLASM OF MALE STERILITY──COMPARATIVE STUDIES ON GENETICS OF STERILITY OF NOVEL RICE CYTOPLASMIC MALE STERILITY MAXIE A WITH ZHENSHAN 97A Research Progress on Mechanisms of Cytoplasmic Male Sterility and Fertility Restoration in Rapeseed Analysis of leaf proteins of T-cytoplasmic male sterility and fertility restoration in common wheat by 2D-PAGE RFLP analysis of mtDNAs among three types of cytoplasmic male sterility and their F_1 hybrids in wheat Genetic diversity in kenaf(Hibiscus cannabinus)UG93 cytoplasmic male sterile lines,maintainer lines and restorer lines revealed by ISSR and cpSSR markers RAPD Analysing of CMS-T, K, V mtDNAs and Cloning of mtDNA Fragments Associated with CMS-K in Wheat Reaction of Pollen Fertility to High or Low Temperature Stresses in CMS-Based Hybrid Cotton