%0 Journal Article %T Megasporogenesis and Development of Female Gametophyte in the Apomictic Monosomic Addition Line M14 of Beta corolliflora in Sugar Beet
甜菜无融合生殖单体附加系M14雌配子体的发生与发育 %A SHEN Ye %A SHEN Jia-Heng %A GUO De-Dong %A FANG Xiao-Hua %A LIU Li-Ping %A
申业 %A 申家恒 %A 郭德栋 %A 方晓华 %A 刘丽萍 %J 植物科学学报 %D 2006 %I %X The megasporogenesis and development of female gametophyte were studied by paraffin sections in line M14,a chromosome 9 monosomic addition line of Beta corolliflora Zoss.in sugar beet,in which revealed that the egg cell could been produced through diplospory or sexuality.The results are as follows:sexuality is of Polygonum-type,and diplospory is of two types,Allium odorum-type and Antennatia-type in M14.The megasporocyte of Allium odorum-type and Antennatia-type turn into a mature diplosporous female gametophyte.The Megasporocyte Polygonum-type turns into a mature monoplontic female gametophyte.Compared with the sexual female gametophyte,bradygenesis and abortion can be frequently observed during the development of diplosporous female gametophyte.Only 25% of them are normal.The characteristic of diplosporous reproduction is discussed. %K Monosomic addition lines of apomictic suger beet %K Facultative apomixes %K Female gametophyte %K Allium odorum-type %K Antennaria-type %K Polygonum-type
甜菜单体附加系(VV %K 1C、2n=18 %K 1) %K 兼性无融合生殖 %K 雌配子体 %K 韭型(Alliumodorum-type) %K 蝶须型(Antennaria-type) %K 蓼型(Polygonum-type) %U http://www.alljournals.cn/get_abstract_url.aspx?pcid=90BA3D13E7F3BC869AC96FB3DA594E3FE34FBF7B8BC0E591&jid=9973DE552EA54506F7AABD4780345ED2&aid=C0FE1BE0D66F7895&yid=37904DC365DD7266&vid=B91E8C6D6FE990DB&iid=0B39A22176CE99FB&sid=F24949CFDB502409&eid=4BB057F167CF3A60&journal_id=1000-470X&journal_name=武汉植物学研究&referenced_num=8&reference_num=13