rachis
英
美
n. 脊柱;分脊;花序轴,叶轴;羽轴
英英释义
noun
- the series of vertebrae forming the axis of the skeleton and protecting the spinal cord
- the fall broke his back
- axis of a compound leaf or compound inflorescence
双语例句
- Its anthotaxy is spica, and amphimixis flowers is serried inserted on the thick rachis.
穗状花序,两性花密集着生于粗大的花轴上。 - Effect of Spikelets upon Secondary Rachis Branch on Yield of Rice
水稻二次枝梗颖花的灌浆程度对产量的影响 - Character and re-inoculation experiment indicated that the strains were Bradyrhizobium sp. ( A rachis), which provide a base for the coming research of peanut's nodulation gene.
所得菌株经理化性质和回接试验鉴定为慢生根瘤菌,从而为接着的花生根瘤菌及其结瘤基因的研究提供了基础。 - The explants of perianth and ovary require higher amount of auxins than that of rachis, pedicel and peduncle.
但花被、子房较花序轴切片及花柄需要较高的激素用量。 - Comparative Anatomic Studies on Rachis of Eight Species of Cycads
八种苏铁植物叶轴的比较解剖研究 - Pathological anatomy of rachis in Wheat Varieties with resistance against scab
小麦品种抗赤霉病穗轴病理解剖的研究 - It showed that the vascular bundle system of rachis in wheat changed apparently under water deficit.
表明水分亏缺显著改变了小麦穗轴维管束系统的显微解剖结构。 - Small early-flowering buttercup with shiny yellow flowers of western North America. Inflorescence paniculate, rachis tawny tomentose; female flowers borne on basal part of the inflorescence.
北美西部的一种小形的早花毛茛,花黄色、有光泽。花序圆锥状;花序轴被灰黄色短绵毛;雌花著生于花序轴下部。 - Pot experiments were carried out to study the effect of water deficit on vascular bundle system of rachis in wheat during heading stage.
利用盆栽试验研究了水分亏缺对抽穗期小麦穗轴维管束系统的影响。 - The results showed that there was notable difference between rates of spikelets on secondary rachis branch to total spikelets of different types of rice varieties. Varieties with heavy spikes had more spikelets on secondary rachis branch, accounting for over 70% of total spikelets.
试验结果表明:不同类型水稻品种的二次颖花占总颖花的比率有明显差异,穗重型品种二次颖花多,占总颖花的70%以上;
