水稻松辽677新品种选育与推广模式
2023-07-21王金秋高雪洪继勇陈亚明郭涵
王金秋 高雪 洪继勇 陈亚明 郭涵
搞 要:松辽677是公主岭市松辽农业种学研完所以春承101为母本,众禾一号为父本,双亲配组杂交育成的水稻新品种。该品种株型紧凑、剑叶角度小、叶片宽窄适中,受光时间长,光合作用率高,源库协调,高产质佳,抗逆性强,综合农艺性状优良。本文介绍了松辽677品种选育技术创新与应用推广模式。
关键词:水稻;松辽677;选育技术创新;推广模式
Breeding and Spreading Model of New Rice Varieties Songliao-677
WANG Jin-qiu1 , GAO Xue1* , HONG Ji-yong1 , CHEN Ya-ming2 , GUO Han3
(1 Dehui Rice Production Workstation, Changchun 130300, China;2 People's Government of Biangang Township, Changchun 130300, China 3 People's Government of Wutai Township, Changchun 130300, China)
Abstract: Songliao-677 is the Songliao Agricultural seed Research Institute of Gongzhuling City, with Chuncheng-101 as female parent and Zhonghe-1 as male parent, and both parents are mixed into a new rice variety. This variety has compact plant type, small blade Angle, moderate leaf width, long light exposure time, high photosynthetic rate, coordinated source and sink, good yield and quality, strong stress resistance, and excellent comprehensive agronomic traits. In this paper, the innovation and application of breeding technology of Songliao-677 were introduced.
Key words: Rice; Songliao-677; Breeding technology innovation; Promotion model
我國是亚洲水稻栽培起源国之一,种质资源丰富。随着人民生活水平的提高,人民对稻米品质要求也越来越高。公主岭市松辽农业科学研究所北方稻区早粳晚熟品种选育技术课题组团队历经10余年育成了松辽677水稻新品种,综合农艺性状好品质优良。
1 品种特征特性
出苗至成熟136 d,株高107 cm,株型紧凑,剑叶角度小,受光率好、光合作用率高,源库协调。分蘖力强,单株有效分蘖平均5株,穗长18.2 cm,平均穗粒数142.8粒,结实率87.4%,谷粒椭圆形,无芒,颖及颖尖黄色,千粒重22.6 g。较耐氮肥杆硬抗倒,抗稻瘟病具有较好的田间水平抗性,抗纹枯病、稻曲病及二化螟虫,较耐寒、活杆成热,品质优良,适应性广,在吉林省中熟稻区及北方稻区早粳晚热生态区域均可种植,需≥10 ℃,积温2 700 ℃左右。
2 产量表现
2019~2020年吉林省区域实验,平均产量9 263.96 kg/hm2,比对照品种吉玉粳增产7.4%。2020年吉林省生产实验,平均产量9 623.90 kg/hm2,比对照品种吉玉粳增产8.6%。
3 栽培要点
3.1 播种育苗
4月中旬播种,播催芽种子250~300 g/m2,培育壮秧,大棚旱床育苗;
3.2 播秧方式
5月中下旬插秧,插秧密度为30 cm×(16~17)cm,每穴插3~4苗。
3.3 平……
