Gametophytic self-incompatibility inPapaver rhoeas L. Vernonica E. Franklin-TongF. Christopher H. Franklin Review Pages: 1 - 7
Characterization of the sex-inducer glycoprotein ofVolvox carteri f.weismannia Hadi Al-HasaniLothar Jaenicke Original Articles Pages: 8 - 12
CMS system inNicotiana: flower development, patterns of mitochondrial DNA and mitochondrial gene expression G. SpangenbergR. Pérez VicenteI. Potrykus Original Articles Pages: 13 - 26
Ultrastructure and microtubule organization of isolated generative cells ofAllemanda neriifolia at interphase and prophase S. Y. Zee Original Articles Pages: 27 - 33
Calcium in the synergid cells and other regions of pearl millet ovaries R. ChaubalB. J. Reger Original Articles Pages: 34 - 46
Chemotropic responses by pearl millet pollen tubes B. J. RegerR. ChaubalR. Pressey Original Articles Pages: 47 - 56
Effect of electrical fields and external ionic currents on pollen-tube orientation R. MalhóJ. A. FeijóM. S. S. Pais Original Articles Pages: 57 - 63
The microtubule cytoskeleton and the rounding of isolated generative cells ofNicotiana tabacum C. H. TheunisE. S. PiersonM. Cresti Original Articles Pages: 64 - 71
Diplosporous embryo-sac formation and the degree of diplospory inAllium tuberosum A. KojimaY. Nagato Original Articles Pages: 72 - 78
Pseudogamous embryogenesis and the degree of parthenogenesis inAllium tuberosum A. KojimaY. Nagato Original Articles Pages: 79 - 85
DNA probes for the Y-chromosome ofSilene latifolia, a dioecious angiosperm D. L. MulcahyN. F. WeedenS. B. Carroll Short Communication Pages: 86 - 88