花生双受精过程及其经历时间

史春艳, 申家恒^*, 李伟

Double Fertilization and Duration of Phases in Peanut (Arachis hgpogaeaL.)

SHI Chun-Yan, SHEN Jia-Heng^*, LI Wei

图版III 34: 精核靠近极核; 35: 精核靠近次生核; 36: 精核贴在极核上; 37: 精核贴在次生核上; 38: 精核与次生核进一步融合; 39: 极核中出现小的雄性核仁; 40: 次生核中出现小的雄性核仁; 41: 初生胚乳核将要分裂前; 42: 初生胚乳核分裂中期: 43~44: 初生胚乳核分裂后期; 45: 初生胚乳核分裂末期; 46: 2个胚乳游离核; 47: 单受精, 中央极核没有受精, 卵细胞受精并且已经分裂; 48~49: 多精子进入同一个胚囊47~49: 一个胚囊的不同切面。Bar=100 #cod#x003bc;m
Plate III 34: male nucleus close to polar nucleus; 35: male nucleus close to secondary endosperm nucleus; 36: male nucleus sticking to polar nucleus; 37: male nucleus sticking to secondary endosperm nucleus; 38: male nucleus and secondary endosperm nucleus further fused; 39: small male nucleus appearing in polar nucleus; 40: small male nucleus appearing in secondary endosperm nucleus PEN; 41: primary endosperm nucleus before mitosis; 42: primary endosperm nucleus in mitosis metaphase; 43-44: primary endosperm nucleus in mitosis anaphase; 45: primary endosperm nucleus in mitosis telophase; 46: two free nuclei in the endosperm FNE; 47: single fertilization phenomenon; 48-49: more sperms coming into embryonary sat 47-49: Different aspects of an embryo sac. Bar=100 #cod#x003bc;m