水稻对环境的适应性强,分布地区广,种植面积大。由于生态环境的多样性和复杂性,人工和自然选择,造就了丰富的稻种资源。为了给引种工作提供依据,并充分发挥稻种资源在育种工作中的作用,进一步提高稻谷产量和质量,研究和认识各类稻种的生 Adaptability of rice to the environment, the distribution of a wide area, planting area. Due to the diversity and complexity of the ecological environment, artificial and natural selection has created a wealth of rice resources. In order to provide the basis for the introduction work and give full play to the role of rice seed resources in breeding work, to further improve the yield and quality of paddy, to study and understand the raw materials of all kinds of rice