Root rot of tea cutting seedlings occurs universally in the seedling nurseries in different areas in Guangxi and the damage was serious.

茶扦插苗根腐性苗枯病在广西各地苗圃普遍发生，造成死苗。

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Ratio of height and diameter, crown and root, of root cutting seedling were strong with more fibrous root, and higher rate of fungus root infection than untreated normal field seedlings.

切根苗的高径比与冠根比均在壮苗的适宜范围内，须根数量多，菌根感染率高，均明显优于未切根的普通大田亩，这将有效地提高造林质量。

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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。

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