与氨基寡糖素不同，这五种众所周知的植物激素是多效性的，而不是特异性的；也就是说，每一种对植物的生长发育都有不止一种作用。

Unlike the oligosaccharins, the five well-known plant hormones are pleiotropic rather than specific; that is, each has more than one effect on the growth and development of plants.

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干旱是主要的环境胁迫因子之一，严重影响植物的分布与生长发育。

Drought is one of the major environmental stressor, influencing the distribution, growth and development of plants seriously.

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植物中矮秆突变体不仅对于阐明植株生长与发育机制非常重要，对作物，特别是水稻，小麦等主要农作物，育种改良也很有帮助。

Dwarf mutants in plant are crucial for elucidating regulating mechanisms for plant growth and development. This character is also favored in breeding, such as wheat, rice.

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