杂交稻新品种谷优6866的选育及高产栽培技术

谷优6866是福建禾丰种业股份有限公司利用福建省农业科学院水稻研究所育成的抗病水稻不育系谷丰A与自育籼型恢复系禾恢6866配组育成的三系杂交稻新品种。具有穗大粒多、丰产性和稳产性好、适应性广、较抗稻瘟病和熟期转色好等特点,2019年相继通过福建省和国家农作物品种审定。介绍了谷优6866的选育过程、区试产量表现、特征特性和高产栽培技术,为品种的推广应用提供参考。

Breeding and High-yielding Cultivation Techniques of New Hybrid Rice Variety Guyou 6866

Guyou 6866 was a three-line hybrid rice variety developed by Fujian Hefeng Seed Industry Co.,Ltd.By crossing between the disease-resistant rice sterility line Gufeng A introduced from the Rice Research Institute of Fujian Academy of Agricultural Sciences and the self-bredindica restorer line Hehui 6866.This varietyshowed the characteristicssuch as big panicles with large number of spikelets,good yielding ability and stability,wide adaptability,good blast resistance and good coloring at ripening stage,which wasapproved by the Fujian Crop Variety Appraisal Committee and National Crop Variety Appraisal Committee in 2019.The breeding process,yield of regional trial,characteristics and high-yielding cultivation techniques of Guyou 6866 were introduced in this paper.