Investigation on root system of 4 cv . of 7 - 10 - yr - old macadamia grafting tree show that macadamia is shallow - rooted plant and tap root is not obvious .

对4个品种7－10年龄澳洲坚果嫁接树挖根调查结果表明，澳洲坚果根系浅， 主根不明显。

Fleshy tap root is the main edible part and its development is much related to the yield and quality in radish .

萝卜的主要产品器官是 肉质 根，其发育的好坏直接关系到萝卜的品质和产量。

Best commercial requirements : Tap root wide-cylindric in shape red in colour with an average weight of about 1 kg .

商品性好： 肉质 根红皮、粗圆筒形，单根重1kg左右；

Their root systems included fibrous tap and lateral root type .

短命植物的根系可分为须根型、 主根型和 侧根型。

The third degree ( euhivar-population ) & classified by the morphological characters and the uses of tap root .

按 根部形态类别结合用途列为第三级，称品种 群。

The average tap root length of Pinus flexilis from germplasm source 1 and 2 were 19.1 cm and 14.8 cm longer than that of native species . Experiments showed that germplasm source 2 was better than germplasm source 1 in growth indexes .

柔枝松种源1和2 主根平均长度分别达到了19.1cm1、4.8cm，均长于乡土树种，两个柔枝松种源之间相比，种源2优于种源1。

However there was no significant difference in terms of branches height tap root depth neck diameter and fresh yield after winter ( P > ( 0.05 )) .

但成苗数、株高、分枝数、 主根入土深度、根颈部直径、越冬率及鲜草产量与对照之间的差异均不显著（P>005）。

There was no influence with the bottom paper on germination and emergence . It could promote the development of tap root and raising strong seedlings .

育苗底纸对种子发芽和出苗无影响，可以促进 主根的发育和培养壮苗。

Shanxi Merchants compound to further tap the formation of the root causes of architectural styles and architectural and cultural interaction and find the architecture and culture to take points the form of the development of contemporary architecture from the direction .

进一步 挖掘晋商大院建筑样式的形成 根源及建筑与文化的互动性，并寻找到建筑与文化的承接点，为当代建筑的形式发展方向有所借鉴。

In order to make the university truly become a personnel training and advanced technology research establishments to tap the plight of the root causes and take measures is very important .

为了能使大学真正成为培养人才和高深技术研究的场所， 挖掘困境 根源和采取措施就显得非常重要。

Zonation of Seedling of Beta vulgaris and Its Location of Fleshy Tap Root

甜菜幼苗的分区及其肥大 直根的定位研究

Advance of physiology of tap root formation of root vegetables

根菜类蔬菜 肉质 根形成生理研究进展