龙粳８号选育评价研究表明，常规育种与花培技术的结合，充分发挥了花培缩短育种年限及提高选择效率的作用；选育出的花培品种龙粳８号，为寒地稻作区早粳早熟品种，各项品质指标均达国家优质食用米标准，具有Ｐｉ－ｚｔ等主效抗瘟性基因，属高抗稻瘟病种质，是集早熟、优质、抗病于一体的优异种质，具有极其重要的利用价值，在育种上已被省内外各育种单位用作亲本，在生产上已成为一些地区的主栽品种。 Longjing 8 breeding evaluation study shows that the combination of conventional breeding and flower cultivation techniques, give full play to the cultivation of shortened breeding years and improve the selection efficiency; breeding varieties of cultivars Longjing 8, for the cold paddy As an early maturing variety of early japonica rice, each quality index reached the national standard for high quality rice consumption. It has the major anti-blast gene Pi-zt, which belongs to the germplasm with high blast resistance and is a combination of early maturity, high quality and disease resistance. Excellent germplasm, has extremely important value, in breeding has been used as a parent of breeding units both inside and outside the province, in production has become the main cultivars in some areas.