南方农业学报2012，Vol.43Issue(11)：1646-1649,4.DOI:10.3969/j:issn.2095-1191.2012.11.1646
广西优质常规稻育种现状及发展对策
Breeding status of high-quality inbred conventional rice varieties in Guangxi and its developing strategy
摘要
Abstract
From 2000 to 2011, 50 high-quality conventional rice varieties were bred in Guangxi and validated by-examining the relevant grain quality, yield, resistance, etc., in order to analyze the existing problems in the current Guangxi rice breeding field, such as the low amylase content in the already improved grain varieties. As a result, a series of excellent quality and high yield aromatic rice varieties were developed, such as Guangxiang 1 , Sanxiang 628, Guixiang 3, Liufengxiangzan, Jiafuxiang 1, Zhaoxiang 1 , etc. In the recent 3 years (2009?011), the quality and yield of conventional rice showed significant improvement as the average annual yield reached over 6600 kg/ha; despite the improvements, the rice varieties still exhibit poor disease resistance and the industry showed little progress in developing disease resistance varieties. From now on, in accordance with the rice market demand, the production industries should choose the rice varieties with long grain type, high gel consistency, intermediate to low amylase content, and low chalkiness as the main targeted breeding varieties. The existing domestic and foreign rice varieties with intermediate amylose content and other various excellent characteristics could be used directly or indirectly as cross梑reeding parents. Using the course long grain as the breeding standard, improving the 1000-grain weight could further enhance the quality of conventional rice yield. By increasing capital investment, improving breeding technology, and enhancing the resistance in breeding varieties, the breeding industries could develop modern biological technology in excellent conventional rice breeding application.关键词
优质常规稻/米质/直链淀粉含量/产量/抗病性/发展对策Key words
high-quality inbred rice/ rice quality/ amylose content/ yield/ disease resistance / developing strategy分类
农业科技引用本文复制引用
刘广林,陈远孟,陈传华,蒋显斌,罗群昌..广西优质常规稻育种现状及发展对策[J].南方农业学报,2012,43(11):1646-1649,4.基金项目
国家现代农业产业技术体系广西创新团队项目(nycytxgxcxtd-01) （nycytxgxcxtd-01）
广西科学研究与技术开发计划项目(桂科攻0992016-2A,桂科攻10100004-1A) （桂科攻0992016-2A,桂科攻10100004-1A）
广西自然科学基金项目(2011GXNSFB018043) （2011GXNSFB018043）
广西农业科学院基本科研业务专项项目[200922(基),200818(基)] （基）
