You must be auxin , cause you are causing me to have rapid stem elongation .

你一定是生长素，因为你让我的茎迅速的延长。

Effect of boron deficiency on auxin metabolism in cucumber .

缺硼对黄瓜生长素代谢的影响。

High auxin concentration stimulates growth in shoot .

高的生长素浓度可刺激幼枝生长。

Cloning and analysis of auxin receptor gene from momordica charantia .

苦瓜植物生长素受体基因之选殖与分析。

Phytohormones such as auxin , gibberellin could promote root system growth .

生长素、赤霉素等生长调节剂都可以促进植物根系生长。