摘要
采用田间试验的方法,在吉林省中西部干旱和半干旱区研究了高肥力条件下密度对产量和相关性状的关系。结果表明:在高肥力条件下,密度对耐密性不同的品种比常规施肥条件下都有不同程度的增加,耐密性强的品种先玉335适宜种植密度为80000株/hm2,耐密性中等品种军单8适宜种植密度在65000株/hm2。分析结果还表明,在高施肥水平下,密度对产量性状也有不同程度的影响,其中密度对秃尖长影响最大,其次是穗长、穗粒数和百粒重等。
The effect of plant density on yield under high rate fertilizer and the related traits were studied by field test method in central and western arid and semi-arid zones of Jilin province. The result showed that planting density had a significant effect on corn yield, the highest yield plant density of hybrid Xianyu335 and hybrid jundan8 were 80 000 plants/ha and 65 000 plants/ha respectively. Plant density had greatest influence on the length of ear barren tip length, and then ear length, kernels per ear, and 100- kernel weight.
出处
《玉米科学》
CAS
CSCD
北大核心
2009年第3期113-115,共3页
Journal of Maize Sciences
基金
国家"十一五"科技支撑计划(2006BAD02A10-2-2)
吉林省科技发展计划项目(20060201-2)
关键词
春玉米
施肥
密度
产量
Spring corn
High rate fertilizer
Density
Yield
