关键词: 水稻 生长发育 产量 基因 克隆

Abstract:

The world is facing dual pressures from population explosion and lack of resources. It＇s urgent to increase food production through improvement of crop varieties. Rice is one of the most important staple crops with a small genome. Being model plant for grass crop, it has high level of collinearity with other cereal crops in genes. Many functional genes have been cloned in rice that involved in important growth and development process, including plant height, tiller, florescence, fertility, yield, rice quality and stress tolerance etc. The progress on cloning of genes controlling growth, development and yield in rice could improve the understanding of molecular basis of rice develop- ment and rice production, and provide basis for molecular breeding of rice varieties by using these genes.

Key words: rice, growth and development , yield, gene, cloning