首页|建国以来渝东北地区水稻品种演替分析与展望

建国以来渝东北地区水稻品种演替分析与展望

扫码查看
建国至今,渝东北地区水稻品种经历了高秆良种、矮秆良种、杂交稻品种三个重要的推广时期。历时最长、作用最大的杂交水稻推广期,又经历了推广初期的摸索,到汕优2号、汕优63、D优63主推组合的确立,再到杂交稻多组合区域“集团当家,轮换种植”推广模式的确立等发展阶段,有效推动了渝东北地区水稻生产的发展。目前该地区水稻生产呈现出品种数量明显增多、单个品种面积下降的趋势。今后水稻品种的选择推广应向抗病、高产、优质、综合性状优良的方向发展。
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

程绪生、邹小红、王丹丹

展开 >

重庆市万州区农业技术推广站,重庆404000

重庆市万州区种子管理站,重庆404000

水稻品种 杂交稻 演替 渝东北地区

2017

中国稻米
中国水稻研究所

中国稻米

CSTPCD
影响因子:0.661
ISSN:1006-8082
年,卷(期):2017.23(1)
  • 1
  • 1