Because there is only one maternal plant in China, with less root shoot and limited scion, the speed of its propagation is very slow.
因母树仅有一株，且根孽极少，接穗有限，所以难以迅速繁殖推广。
The main viewpoints on the root shoot qualitative relations are morphological equilibrium, determining by environment and functional equilibrium.
反映根冠定性关系的主要观点有，形态平衡论、环境决定论和功能均衡论。
Using morphological characteristics, root-shoot ratio, anatomical structure of leaves, leaf water holding and WSD analyzed the water holding ability of 11 tree species.
从形态特征、根冠比、叶片解剖构造、叶片保水力、水分饱和亏等方面分析了11个树种对干旱的适应性特征。
The result shows that the effects of manganese deficiency on the height, the root-shoot ratio, the spike weight, the dry weight of Jinqiang-1are more significant than those of Liaochun-10.
结果表明，在缺锰条件下，津强1号的株高、根冠比、穗重、干物质量等指标所受影响均比辽春10号大，而且光合产物糖和氨基酸的形成以及蛋白质合成过程的受阻程度也比辽春10号重。
Root-shoot ratio is the lowest in the diammonium orthophosphate treatment;
施磷二铵处理的根冠比明显低于不施肥处理和施尿素处理；
The results indicated that the isozyme patterns of peroxidase and esterase of root, shoot and leaf in two types have no difference.
结果表明，两种叶色羊草，其相同组织的过氧化物同工酶谱及酯酶同工酶谱基本一致，两类羊草叶片呈现不同颜色只属形态上的变异。
The results indicated that the isozyme patterns of peroxidase and esterase of root, shoot and leaf in two types have no difference.
结果表明，两种叶色羊草，其相同组织的过氧化物同工酶谱及酯酶同工酶谱基本一致，两类羊草叶片呈现不同颜色只属形态上的变异。
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