摘要： 为呼和浩特地区青贮玉米品种选用提供依据和指导,文章以呼和浩特地区种植的6个青贮玉米品种为材料,通过对不同收获时期不同器官营养能量指标的计算分析,结果表明,不同青贮玉米品种可消化养分、总能、消化能及代谢能含量与积累量,随收获时期推后均呈递增趋势,且品种间差异达到显著或极显著水平。在散粉、灌浆和乳熟3个不同时期收获,均以东陵白、华农1号、中北410能量积累较多,其中以东陵白表现最好,值得进一步大面积推广种植。
关键词:
青贮玉米,
可消化养分,
总能,
消化能,
代谢能
Abstract: The actrial, nutrient and energy indicators of different organs in 6 silage maize cultivars in Hohhot were measured in different harvest periods.It showed that the contents and accumulative amounts of Total Digestible Nutrients (TDN), Cross Energy (GE), Digestible Energy (DE) and Metabolic Energy (ME) of different cultivars increased with the postpone of harvest periods, and the difference among different cultivars were significant. When harvest in pollen-scattering stage, grain-filling stage and milk stage, the enera accumulative amounts of Donglingbai, No.l Huanong and Zhongbei 410 were greater, especially Donglingbai,which can popularized in Large-scale production.
Key words:
Silage maize,
TDN,
GE,
DE,
ME
中图分类号:
陈培义, 刘景辉, 韩延滨, 王利强, 贺志强, 焦立新. 不同青贮玉米品种饲用营养价值的研究[J]. 华北农学报, 2007, 22(S3): 5-9. doi: 10.7668/hbnxb.2007.S3.002.
CHEN Pei-yi, LIU Jing-hui, HAN Yan-bin, WANG Li-qiang, HE Zhi-qiang, JIAO Li-xin. Nutrient Values of Different Silage Maize[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2007, 22(S3): 5-9. doi: 10.7668/hbnxb.2007.S3.002.