| 1. | Hybrid sterility is sometimes overcome by polyploidy
有时可用多倍性来克服杂种不育性。 |
| 2. | Polyploidy induction and in vitro bulb propagation of lilium oriental hybrids
东方百合多倍体诱导及种球繁育的研究 |
| 3. | Chromosome number also gives an indication of polyploidy , where numbers vary by exact multiples between related species
当多倍性现象发生时，物种的染色体数目是原来的整数倍。 |
| 4. | Autopolyploidy a type of polyploidy involving the multiplication of chromo - some sets from only one species
同源多倍性：通常是由同一个体，同一纯种的染色体数目加倍而成的多倍性现象。 |
| 5. | Purpose : to explore the technique of induction of polyploidy in isatica indicago by colchicine treatment
摘要采用直接浸渍和加入培养基法对菘蓝种子进行诱导，探讨秋水仙碱诱导菘蓝多倍体的方法。 |
| 6. | Since the first tetraploid was obtained in 1939 , polyploidy breeding has always been the focus of watermelon breeding
从1939年获得第一个四倍体西瓜以来，多倍体育种就一直是西瓜育种的一个热点。 |
| 7. | Allopolyploidy a type of polyploidy involving the combination of chromosomes from two or more different species
异源多倍体：两种或两个以上的不相同的物种杂交，杂种经染色体加倍形成的多倍体类型。 |
| 8. | Together with other lines of evidence , we propose that polyploidization is still an ongoing process in grasses of polyploidy origins
参照其它类群演化式样，提出多倍化仍然在禾草的多倍化起源方面起作用。 |
| 9. | Method : induction of polyploidy by colchicine treatment is efficacious , and part of the doubled plants were identified as homologmous tetraploids
结果表明：用秋水仙碱诱导菘蓝多倍体植株是有效的，已有部分植株已加倍成为同源多倍体。 |
| 10. | Endomitosis the duplication of chromosomes without division of the nucleus , causing polyploidy and leading to an increase in nuclear and cytoplasmic volume
核内有丝分裂：在细胞核不分裂的情况下进行染色体复制，产生多倍体并使细胞体积增大的一种有丝分裂形式。 |
