优质高产常规粳稻新品种金粳698的选育及主要特征特性

金粳698是天津市水稻研究所育成的优质常规粳稻新品种,具有株型理想、稳产性好、熟期早、综合抗性优良等特点。稻米品质主要指标：整精米率67.1%,垩白度4.9%,垩白粒率22%,直链淀粉含量16.2%,胶稠度63 mm,达到国家《优质稻谷》标准3级。于2017年通过国家农作物品种审定委员会审定,可在江苏淮北、山东南部、河南沿黄及信阳地区、安徽沿淮及淮北地区种植。本文介绍了该品种的亲本来源和选育经过、特征特性、产量表现及栽培技术要点等内容。

Breeding and Characteristics of New Japonica Rice Variety Jingeng 698 with High Yield and Good Quality

Jingeng 698, a new conventional japonica rice variety with high yield and good quality, was bred by Tianjin Rice Research Institute. It has the characteristics of ideal plant type, good stable yield, early maturity and excellent comprehensive resistance. The main indicators of grain quality: the whole rice rate is 67.1%, the chalky grain rate is 22%, the chalkiness degree is 4.9%, the amylose content is 16.2%, the gel consistency is 63 mm, and it reaches the third level of the national standard “High Quality Rice”. It was registered by National Crop Variety Approval Committee in 2017, and allowed to plant in south Henan, Shandong, Jiangsu and Anhui Province. The article introduces the parent source and breeding process, characteristics, yield performance and key points of cultivation techniques of Jingeng 698.