活性促根剂对四季杜鹃根系的影响

不同剂量的活性促根剂于春季处理四季杜鹃。处理后15d调查发现，活性促根剂不同程度地促进了新根的生成及生长，其中以活性促根剂4mg／L处理区效果最为明显，使黄化苗的发根盆数较对照增加了2．656倍，正常苗的新根长度、增长幅度分别较对照提高了49．7％及28％，在生产上具较高的利用价值。

The Effect of Activating Root-Growth Accelerant on the Root of Azalea

The activating root-growth accelerant was used to different dosage in azalea in spring. After 15 days later, it was found that it had some extent helped to accelerate the growth of the new root, of which the part with the dosage of 4mg/L took on a visible effect. By taking this accelerant,the rhizogenic pots of the yellowing seeds had increased by 2.656 times,and the length of the new root was increased by 49.7% with the rate of 8%. In short,the activating root-growth accelerant is provided with meat value in production.