Using low temperature and gibberellin treatment.

采用低温和赤霉素处理。

Gibberellin are normal constituents of most plants.

赤霉素是大多数植物正常的组成部分。

Method: Using low temperature and gibberellin treatment.

方法：采用低温和赤霉素处理。

The third part of this thesis was the study of gibberellin signalling in rice.

本文的第三个部分是研究水稻的赤霉素信号传递。

Gibberellin contents varied irregularly among male sterile lines and maintainers.

赤霉素含量在不育系及保持系间互有增减。