释义 |
sub·spe·cif·ic 英sʌbspɪ'sɪfɪk美sʌbspɪ'sɪfɪk BNC²³⁶²¹³⁺¹ 基本例句 生亚种的 For promoting the heterosis of inter- subspecific hybrids, it is essential to develop intermediate restorer lines with ideal plant type, high1000-grain weight and rational panicle- spikelet structure. 选育株型理想、千粒重稍大、穗粒结构合理的中间型恢复系是获得更强亚种间杂种优势的关键。 cnki The overall number of polymorphisms in the expressed sequences was found to be higher in the inter- subspecific comparisons than in the intra- subspecific comparisons. 对比全部的表达序列间的多态性,亚种间的出现频率要高于亚种内的。 http://dict.cnki.net Temperature at miosis stage was a key factor to pollen development, and the pollen fertility of inter subspecific hybrids was more sensitive to low temperature than that of conventional variety. 说明减数分裂期的花粉育性受温度影响,温度对亚种间杂种花粉育性的影响较常规品种大。 cnki Therefore, the genetic analysis on the mechanism of the sterility has very important theoretical significance for utilization of heterosis of inter- subspecific rice. 从遗传学水平上分析杂种不育机理,对水稻亚种间杂种优势利用具有十分重要的理论意义。 fabiao |