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这些现象都表明其为同源四倍体。These results showed that it was autotetraploid.

观察了高粱同源四倍体与二倍体受精后胚及胚乳发育的全过程。This paper deals with the process of embryo and endosperm development of diploid and autotetraploid sorghum.

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本文对同源四倍体和异源四倍体适合度及近交衰退随世代的变化进行了比较研究。In this paper, we studied the differences of the relative fitness and inbreeding depression between autotetraploid and allotetraploid.

研究结果表明，同源四倍体水稻和二倍体水稻在发生受精作用的时间上没有存在着很大的差异。The research results showed that there were no big difference in time of beginning fertilization between autotetraploid and diploid rice.

而且生长势旺，叶、花序药材比二倍体粗大，显示了一般多倍体植株所表现的典型性状——巨型性。The obtained results demonstrated that autotetraploid plants grew vigorously and showed wide and rough leaves, strong stems and big roots.

研究结果表明，同源四倍体水稻和二倍体水稻在发生受精作用的时间上不存在很大的差异。The research results showed that there were no big difference in the time of beginning fertilization between autotetraploid and diploid rice.

同源四倍体水稻有性生殖的异常可能为无融合生殖基因的表达创造了条件。The authors think that the abnormal sex reproductive ability of autotetraploid rice provides a good condition for expression of apomictic genes.

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试验研究了高粱同源四倍体与约翰逊草远缘杂交种及其后代的生物学特性和细胞学行为。This paper studies the fertilization of the hybrid between autotetraploid sorghum and halepense and the genetic characters of the hybrid generation.

本试验研究了高粱同源四倍体与约翰逊草远缘杂交的结实性及其后代表现。This paper studied the fertilization of the hybrid between autotetraploid sorghum and Johnson grass and the genetic characters of the hybrid generation.

利用荧光显微术观察，发现同源四倍体水稻与其二倍体原种的糊粉层细胞壁纤维素物质都存在一个“充实”的过程。The formation of the aleuronic layer cell wall in autotetraploid and its original diploid rice was studied by using the technique of fluorescence microscopy.

本文利用激光扫描共聚焦显微镜直接观察经透明处理的水稻子房，研究加倍的基因剂量对于四倍体水稻的胚囊形成与发育的影响。In order to study the influence of double gene quantity, we used LSCM to observe the development of autotetraploid rice cleaned ovary with the control of diploid rice.

结果表明，利用离子注入技术可以对同源四倍体水稻进行有效地改良，由此可以获得具有遗传变异特点的新种质，其双胚苗特性随着自交世代的推进而得到保持。The results showed that autotetraploid rice might be effectively improved by ion beam bio-technique, from which the new germplasm with hereditable twin-embryo seedling could be selected.