对7个葡萄二倍体与四倍体杂交组合的胚珠进行离体培养研究。
In vitro of ovules in 7 cross combination between diploid and tetraploid cultivars of grape were studied in this experiment.
四倍体与二倍体在形态学和细胞学上有明显差异。
There are obvious difference on morphology and cytology between polypoid and diploid .
与二倍体对照相比，同源四倍体材料的花粉育性、结实率均不同程度下降，尤其低代材料的花粉育性59。
Compared with diploid control, the pollen fertility and seed set of autotetraploid declined dramatically, especially in preliminary generations, and they were only 59.
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