In propagation by cuttings, the age and length of the cuttings, the rooting media, season, and the combination of shading and covering are crucial to their survival.

扦插繁殖的关键是插条年龄及长度、药剂品种与处理时间、扦插基质与季节、圃地荫棚与保暖设施的优化配套；

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Experiment on clonal propagation of Euonymus carnosus by cutting and grafting demonstrated that cuttings had difficulty to have root, therefore, 1-year branch had only 1.

采用扦插和嫁接方法进行了肉花卫矛无性繁殖试验，结果表明，肉花卫矛扦插繁殖生根非常困难，1年生枝成活率仅有1。

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Another is that planting stem cuttings, the usual way of propagating cassava, passes down disease more readily than propagation by seeds.

ECONOMIST: A crucial crop in new trouble