The content of gibberellin(GA) and indole-3-acetic acid (IAA) in the young-shoot-tips of litchi (Litchi chinensis Sonn.)

• 荔枝(Litchi chinensis Sonn.；) 嫩梢顶端的赤霉素(GA)和吲哚乙酸(IAA)含量很高；叶片转绿、梢老熟时明显降低；以后才开始花芽分化。