期刊论文

中文

湖南农业科学

1006-060X

2016

1

21-23+26

10.16498/j.cnki.hnnykx.2016.01.007

公益性行业科研专项经费项目（201203096）； 农业部马铃薯产业技术体系（CARS-10-P19）；

本校为第一机构

以登海661为参试材料,研究不同播期及不同种植模式对秋玉米生长及产量的影响,探索秋玉米的适宜播期及高产高效种植模式。结果表明：（1）不同播期的秋玉米物候期和植物学特性差异不显著,但其产量、穗粒数、单穗重和千粒重差异明显,产量随播期延后呈递减趋势,7月3日的产量最高,为13 080.5 kg/hm~2,其穗粒数最多,单穗重最大;7月13日播种的千粒重最大。因此,秋玉米的播期以7月上旬为佳,能获得较高产量。（2）种植密度越大,截光率越大;HH模式株高最高,HH、H与FP、N0之间株高、叶面积指数及穗长差异显著;N0的生物量最小;FP、HH与H、N0之间穗粒差异显著,各处理间单穗重差异不显著;HH的产量最高,为12 6...

In this experiment, Denghai 661 was used as the material to study the impact of different sowing dates and planting patterns on the growth and yield of autumn corn, and to explore the proper sowing date and high yield and high efficiency planting pattern. The results showed that：（1） phonological period and botanical characteristics of corns with different sowing dates were not significantly different; however, the differences of the yield, grain number per ear, single spike weight, thousand kernel weight were significant. The yield decreased...