Analysis of Rice Varieties Evolution and Prospect in Northeast of Chongqing
Rice varieties in Northeast of Chongqing experienced three important promotion period of high stalk varieties, dwarf vari-eties and hybrid rice combinations. The promotion period of hybrid rice had the longest period and the greatest effect in rice produc-tion in this region, it experienced four important development stages, too. Now, the region showed a significant increase of the number of rice varieties and the decline of the area of single varieties. We should breed and promote the rice varieties with excellent compre-hensive traits in disease resistance, high yield, fine quality.
rice varietieshybrid riceevolutionNortheast of Chongqing