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Ⅱ 甜荞长花柱长雄蕊突变体lpls小孢子发生和雄配子体发育 1.花芽原基；2.雄蕊原基；3.孢原细胞平周分裂产生周缘细胞和造孢细胞；4.小孢子母细胞；5.小孢子母细胞减数分裂；6.小孢子四分体；7.小孢子四分体解体；8.单核早期小孢子；9.单核靠边期小孢子；10.小孢子有丝分裂；11~13.2-细胞花粉和3-细胞花粉

PlateⅡ Microsporogenesis and development of male gametophyte in mutant buckwheat with long pistil and long stamen 1.Flower bud primordium；2.Stamen primordium；3.The archesporium is divided into a parietal cell and a sporogenous cell，by the periclinal division；4.Microsposporocytes；5.Meiosis period；6.Tetrad phase；7.Microspores released from tetrads；8.Early uninucleate microspore stage；9.Mononuclear microspore in nucleus located aside stage；10.Mitotic period；11-13.Two-celled pollens and three-celled pollens