1·But we have the knowledge that the species is a polyploid [has extra chromosomes], so hopefully it has plenty of resilience.
不过我们也认识到，这一物种毕竟是一种多倍体(即存在多套染色体)，因此还存在较大的缓冲空间。
2·Sublethal temperature might be suitable for polyploid inducement of cold shocks.
亚致死温度是低温诱导多倍体的合适温度。
3·If such gametophytes produce fertile gametes, the resulting sporophyte is then tetraploid, and large polyploid series may subsequently be developed.
如果这种配子体能够产生可育的配子，那么形成的孢子体通常是四倍体，这样就可以得到大量的多倍体。
4·In this article, ways of polyploidy breeding, the identification of polyploidy, application of watermelon polyploidy, and the prospective of watermelon polyploid breeding are reviewed.
文章概述了西瓜多倍体的产生途径、鉴定方法，西瓜多倍体育种的应用以及研究新动向。
5·This paper briefly deals with the history and status quo of mulberry polyploid breeding and describes characters and economic value of the polyploids, in particular triploid and tetraploid.
本文简述了国内外桑多倍体育种的历史与现状，以及多倍体特别是三、四倍体的特征特性和经济价值。