The five hormones expressed the likely distribution in cucumber. Their contents is all high in up and young tissues ( stem apex, up leaf) higher and is lower in down tissues ( except ETH and ABA).

• 五种激素在黄瓜体内表现出相似的分布，都是在上部幼嫩组织（茎尖、上叶）含量较高，而在下部组织中含量较低。