植物体内运输

硼对吲哚乙酸在植物体内运输的影响

Effects of boron on indole-3-acetic acid transportation in intact Phaseolus aureus plant

它们的导管直径小、导管数量多、导管分布频率高，是对海滨盐渍环境的适应，保证水分在植物体内运输的安全性。

The features of small vessel diameter , many vessel numbers and high vessel frequency ensure the safety for water transportation inside plant .

识记水分在植物体内的运输、利用和散失。

To know how water is transported , used and lost .

渗透压在植物体内水分运输中的作用

Roles of osmotic pressure in water transportation in plants

植物体内水分运输物理机制的探讨

An approach to the physical mechanism of water transportation within within the plant

蔗糖不仅是植物体内碳水化合物运输的主要形式，而且可以在基因表达水平上对细胞内的代谢进行调节。

Sucrose not only is the main form of translocating carbohydrates , but also can regulate the metabolism in plant cells at the level of gene expression .

多年多点试验表明：钙在4种石灰性土壤以及一些植物体内的运输缓慢；

Multi ─ site experiments for many years have shown that the transport of calcium in four types of calcareous soils and in some plant bodies is rather slow .

腔隙和栓塞的形成对水分在植物体内的运输造成了很大的障碍，从而影响了植物的生长与发育。

Formation of cavitation and embolism breaks off water column in tracheary elements , results in the difficulty of water transport , which affects growth and development of plants .

介绍了包括病毒RNA、RNA沉默信号、特异内源RNA等RNA分子，在植物体内的系统运输及其在植物基因表达调控中所起作用的研究进展。

The current advances of systematic transport of RNA and their functions in plant gene expression are reviewed .

山梨醇还能与硼形成复合物而提高植物体内硼的运输能力。

Sorbitol can also form complex with boron to facilitate phloem boron transport .

Cd2+处理下，三种柳树根中的镉浓度远大于茎和叶片，镉在植物体内被限制运输到茎、叶，这在一定程度上降低了镉对植物地上部的毒害。

Cadmium in plants was limitedly transported to the stems , leaves to reduce the poisoning of cadmium in shoots .

高等植物体内有机物的运输问题，通常研究的主要是富含糖分的汁液在筛管中的大量流动。

Ordinarily , translocation in higher plants is mainly concerned with sugar trans - port in sieve tubes .

蔗糖是绿色植物光合作用的最终产物之一，也是绝大多数高等植物体内光合产物运输与分配的主要形式。

Sucrose is not only the product of photosynthesis , but also the major transport form for photosynthetic carbon assimilates .

养分由植物叶片向子粒的转运量及转运效率随水分、氮素和覆盖条件的变化而发生显著变化，说明不同肥水调控措施可以调控养分在植物体内的运输和分配。

The amount and ratio of nutrient translocations from leaf to grains vary with the mulching , and the supply of water and nitrogen fertilizer , indicating that the different water-fertilizer control measures can regulate nutrient transport and distribution in plant .

从植物活化土壤重金属、植物根际吸收重金属、将其转移并累积到地上部位甚至超积累到植物体内等四个方面简要综述了重金属在植物体内运输的生理及分子机制的研究进展。

Physiological and molecular mechanisms of heavy metal transport in plants are simply summarized from four aspects in the paper : mechanism of plant activating heavy metal in soil , heavy metal uptake by plants from rhizosphere , transferring and accumulating into the shoot and ultra-accumulation in plant .