优质高产水稻新品种新科稻31的选育与应用

摘要

[目的]阐述水稻新品种新科稻31的选育经过、主要性状表现和应用前景.[方法]通过采用有性杂交、基因分离重组聚合有利基因及苗期鉴定抗稻瘟病育种技术育成的集优质、高产、抗病、广适于一体的水稻新品种, 其亲本来源:母本为优质抗病品种郑稻18号, 父本为自育的超级稻品种新稻18号.[结果]该品种于2017年6月通过农业部国家农作物品种审定委员会审定, 适宜在河南沿黄河及信阳地区、山东南部、江苏、安徽沿淮及淮北地区种植.[结论]该品种的育成, 实现了水稻高产、优质和抗病的同步改良及品种的更新换代, 具有广阔的推广应用前景.%[Objective] To describe the breeding process, main characters and application prospect of new rice variety Xinkedao 31.[Method]A new rice variety with good quality, high yield, disease resistance and wide application was bred by adopting sexual hybridization, gene isolation and recombination of favorable genes and identifying rice blast resistance breeding technology at seedling stage. The female parent was Zhengdao 18 and the male parent was the self-bred super rice variety xindao 18. [Result]The variety was approved by the National Crop Variety Validation Committee of the Ministry of Agriculture in June 2017, and is suitable for planting in the areas along the Yellow River and Xinyang in Henan Province, southern Shandong Province, Jiangsu Province, Anhui Province along the Huaihe River and Huaibei areas. [Conclusion]The breeding of this variety has realized the simultaneous improvement of high yield, good quality and disease resistance of rice, and the variety renewal. It has the broad popularizing application prospect.