【摘要】 <正>二十世纪三、四十年代发现并开始了甜菜雄性不育的研究。与其他作物相比,虽起步较晚,但工作进展较快。至目前为止,研究的内客十分广泛。其中,有关解剖学方面的研究,曾有过一些报导,如Artschwagf.R(1947)细川正治(1954)、中岛博(1973)等,但说法不一致;国内迄今尚未见有关甜菜雄性不育解剖学研究的系统报导。更多还原

【Abstract】 The comparative observations on the morohological dissection of male organ of 742 A. B. sterile lines by paraffin slice. The lines 742 A is the same as wheat, maize and so on in the external pattern. Some anomalous changes occurred in its anther dissected texture: a part of anther cell merged into two or three cellule. The cell wall of tapetum hasdissolved, the whole tapetum became cellularlike periplasmodia and transfered to centre gradually. And cohere with the monokaryon microspore; The development of most pollen has stagnated in the microspore stage, a little pollen were in terad stage. At the last, it cohere with plasmodia and witnered in a narrow strip. So its appearance could not identify. The anther of beet maintenance develops nor mally. Its textere consists of 4 anther cells. The eadothecium became a layer of textile in later stage; The middle lamella which consists cf 2-3 lamella cell, has disappeared in late stage, the adenoie germform of endothecium also disappeared. When the anther maturate, the globular pollen grain which with more germ pore can send forth from tee gap which consists of heterocyst. Using the aatiacetyl solution method, and geometrical microscope, it can be found that the maintcnance has a significant tapetal membrane, a lots of globular particle (Ubeish body) and the casing of th pollen graia are distributed on its surface. But the wadding things of almost sterile lines have presented, except a few of membranaceous body which is thinner and smoother, it has no globular particle and casing of pollen grain on the surface.更多还原