洋葱染色体核型的FISH分析 Research on Number Variation of Floral Organ in Onion(Allium cepa L.) Haploid Plant Induction via in Vitro Gynogenesis and Plant Regeneration in Onion(Allium cepa L.) 洋葱染色体核型的FISH分析 Cloning and Expression Analysis of B Class MADS-box Gene AcDEF Associated with Floral Development in Onion Haploid Plant Induction via in Vitro Gynogenesis and Plant Regeneration in Onion(Allium cepa L.) Cloning and Expression Analysis of B Class MADS-box Gene AcDEF Associated with Floral Development in Onion Expression Analysis of Fusion Gene Sulphur-amino acid Protein with Green Fluorescent Protein Studies on Structure and Expression Pattern of Chimeric Genes Associated with Onion T-type Cytoplasmic Male Sterility Studies on Structure and Expression Pattern of Chimeric Genes Associated with Onion T-type Cytoplasmic Male Sterility Cytoplasmic Male-Sterility of Onion (Allium cepa L.) 63A Is Associated with Premature Degeneration of the Tapetum