甜荞长花柱长雄蕊突变体lpls大小孢子发生和雌雄配子体的发育

王旋, 刘志雄

Megasporogenesis and Microsporogenesis and Development of Female and Male Gametophytes in Mutants lpls with Long Pistil and Long Stamen from Fagopyrum esculentum Moench

Xuan WANG, Zhi-Xiong LIU

图版Ⅲ 甜荞长花柱长雄蕊突变体lpls大孢子发生和雌配子体发育 1.胚珠原基；2.孢原细胞；3.造孢细胞；4.大孢子母细胞，内珠被开始分化；5.大孢子母细胞减数分裂，外珠被开始分化；6.大孢子母细胞减数分裂，内、外珠被向珠孔端延伸；7.线性四分体；8.功能大孢子；9.二核胚囊；10.成熟胚囊；Eg.卵细胞；Sy.助细胞；Pn.极核；An.反足细胞

PlateⅢ Megasporogenesis and development of female gametophyte in mutant buckwheat with long pistil and long stamen 1.Ovule primordium；2.Archesporial cell；3.Sporogenous cell；4.Megasporocyte，appearance of inner integument；5.Meiosis phase，appearance of outer integument；6.Meiosis phase. Double layers integument gradually surrounded the nucellus；7.Four megaspores forming one liner tetrad；8.The chalazal megaspore was functional；9.Two-nucleated embryo sac；10.Mature embryo sac；Eg.Egg cell；Sy.Synergid；Pn.Polar nuclei；An.Antipodal cell