摘要
[目的]探讨苏畜研2号多花黑麦草在盐城地区的最佳播种量和施氮水平。[方法]以江苏省农科院选育的多花黑麦草苏畜研2号为对象,在盐城地区种植,研究不同施氮量和播种量等对其生育期的影响。[结果]播种量和施氮水平对苏畜研2号的出苗期、分蘖期、拔节期、抽穗期及孕穗期等物候期有明显的提前作用,但对籽实成熟期的影响不显著。不同播种量和施氮水平对植株分蘖数、株高有明显影响,但对生殖枝数作用不明显。N 150.0 kg/hm2、播种量1.5 g/m2的组合可使苏畜研2号多花黑麦草在盐城地区获得较佳的生产水平。[结论]该研究为苏畜研2号多花黑麦草在江苏省内的优质高产以及应用推广工作提供依据。
[ Objective ] The research aimed to discuss the best sowing rate and nitrogen application level of Lolium multiflorum Lam. Suxuyan 2 in Yancheng region. [ Method] L. multiflorum Lam. Suxuyan 2 bred by Jiangsu Academy of Agricultural Sciences was used as research ob- ject to plant in Yancheng region. The effects of different sowing rate and nitrogen application level on the seedling stage of L. multiflorum were studied. [Result] The sowing rate and nitrogen application level obviously advanced the seedling stage, tillering stage,jointing stage,heading stage and booting stage of Suxuyan 2, but it had no significant effect on the ripening stage. Different sowing rate and nitrogen application level had obvious effects on the tiller number and plant height, but it had no obvious effect on reproductive branch numberl The best production level of L. multiflorum Lam. Suxuyan 2 in Yancheng region could be obtained under the combination of N 150.0 kg/hm2 and sowing rate of 1.5 g/m2. [ Conclusion] The research provided basis for high yield and application, polularization of L. multifiorum Lam. Suxuyan 2 in Jiangsu Province.
出处
《安徽农业科学》
CAS
2013年第23期9615-9617,9620,共4页
Journal of Anhui Agricultural Sciences
基金
"十二五"农村领域科技计划预备项目库星火计划面上项目(2013GA690335)
关键词
施氮水平
播种量
多花黑麦草
生育性状
Nitrogen application level
Sowing rate
Lolium multiflorum Lam.
Growth traits
