通辽地区不同类型玉米品种生产性能和青贮品质综合评价
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中图分类号：S548 文献标识码：A 文章编号：1007-0435（2025）09-3068-0
Comprehensive Evaluation of the Production Performance and Silage Quality of Different Maize Varieties in Tongliao Area
XU Xin-xin1，WANG Li-na²， DING Xue-yan³，LIU Ting-yu4， SUN Zhi-qiang1，MA Xi-qingl （1.CollegeofGassandScienceandTechnology，ChinaAgriculturalUniversity，Beijingl93，China;2.JuquanAgicultual TechnologyExtensionandServiceCenter，JuquanGnsuProvince752O7，China;3.AnimalHusbandryandVeterinarytationof XuanhuaTown，GaotaiCounty，Zhangye，GansuProvince7343O8，China;4.InnerMongolia UniversityforNationalitis，ongliao InnerMongolia 028000，China）
Abstract：To screen for high-yield and high-quality silage corn（Zea mays）varieties suitablefor growth in Tongliao，Inner Mongolia，this study conducted an introduction trial with 19 maize varieties of different types， including grain-forage dual-purpose，silage-specific，sweet，and waxy corn. Comprehensive analyses were performed on their agronomic traits，yield traits，and quality traits. The experimental results showed that ‘ Zhongyu 335′ had the highest fresh biomass yield （78.82t⋅hm-2 ） and optimal agronomic traits such as plant height and number of green leaves.‘DK8l5’ demonstrated remarkable performance in dry forage yield（24.84 tan-2 ） and fiber content.‘Yuhe No.2’ exhibited high stability in agronomic traits and yield.Grey relational analysis indicated that‘Zhongyu 335’‘DK8l5’and‘Yuhe No.2’ had the highest degree of consistency with the“ideal variety”in comprehensive traits. Correlation analysis revealed that fresh biomass yield was significantly positively correlated with plant height，ear height，and number of green leaves，while starch content was significantly negatively correlated with fiber and crude protein contents.Therefore，the grain-forage dual-pur pose varieties‘Zhongyu 335’‘DK8l5’and‘Yuhe No.2’are suitable for promotion and cultivation in theTongliao region. This has important implications for optimizing the forage supply structure，improving live stock production benefits，and promoting the sustainable development of agriculture in the region.
Key words：Silage corn;Tongliao area;Agronomic traits; Yield traits;Quality traits;Grey relational analysis
青贮玉米（Zeamays）被誉为“饲料之王”，具有生物产量高、纤维品质好、抗逆性强、消化率高、营养物质丰富等特点。（剩余13723字）
