②茎源根系(cutting root system)：采用枝条扦插或压条繁殖，茎上 产生不定根，发育成的根系。无主根系，生活力弱，浅根，如无花果、 葡萄扦插苗的根系。
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The experiments, proved that developmental quality of root system of cutting seedling and lignification degree of root system during seedling-laying are key factors to influence survival rate.
本文通过试验证实了扦插根系发育质量与倒苗时根系木质化程度是影响定植苗成活的关键。
The effects of deep cultivation root cutting on the dry weight of root system after anthesis and yield have been studied in dry land wheat with high yield.
在旱地大田条件下研究了深耘断根对旱地高产小麦花后根系干重及产量的影响。
The effects of cutting type, hormone treatment and cutting position on rooting ratio, average number of taproot and average length of root system were studied by orthogonal experiment.
通过正交试验，研究了穗条类型、生根试剂处理穗条、穗条插口修剪位置，在大叶栎扦插育苗过程中对其插穗生根率，平均主根数量及平均根系长的影响。
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