大麦与谷类科学

以2024年第十五轮国家糜子(糯性)品种区域试验的13个参试品种为材料，选取生育期、株高、主茎节数、有效分蘖数、主穗长、穗粒质量、千粒质量及产量8个有代表性的指标构建评价体系，进而采用熵权法赋权的DTOPSIS法，对赤峰市该轮糜子区域试验品种开展综合评价，为优良品种筛选提供科学依据。权重计算表明，有效分蘖数(权重系数0.508 37)是决定糜子产量水平的关键指标，生育期(权重系数0.000 77)和主茎节数(权重系数0.000 90)对产量的影响相对较低。通过DTOPSIS法计算各品种综合评价C_i值由高至低依次为伊黍13号、冀黍4号、赤黍10号、晋黍15号、4652(2-30)、NM18-03、1651(5-33)、伊黍10号、2013FMZ3-1-3、19-174、赤黍11号、白糜1号、2023-Y-1，其中：表现最好的品种伊黍13号的C_i值为0.883 38，表现最差的2023-Y-1的C_i值为0.076 34，二者差异较大。综合评价方法可兼顾糜子品种的产量潜力与农艺性状协调性，规避单一指标评价的片面性，实现对参试品种的系统评估。

In this study, 13 varieties from the 15 th National Regional Trial of Broomcorn Millet(Glutinous) Varieties in 2024 were used as experimental materials. An evaluation system was constructed using 8 representative agronomic and yield-related indicators: growth period, plant height, number of main stem nodes, effective tiller number, main panicle length, grain weight per panicle, 1 000-grain weight and grain yield. The DTOPSIS method integrated with entropy weight assignment was then employed to conduct a comprehensive evaluation of the tested varieties in Chifeng City, aiming to provide a scientific basis for elite variety selection. Weight calculation results revealed that effective tiller number(weight coefficient = 0.508 37) was the key determinant of broomcorn millet yield. In contrast, growth period(0.000 77) and number of main stem nodes(0.000 90) had relatively minor effects on yield. The comprehensive evaluation rankings of the varieties by the DTOPSIS method from highest to lowest were as follows: Yishu No.13,Jishu No.4, Chishu No.10, Jinshu No.15, 4652(2-30), NM18-03, 1651(5-33), Yishu No.10, 2013 FMZ3-1-3, 19-174, Chishu No.11,Baimi No.1, and 2023-Y-1. The top-performing variety, Yishu No.13, achieved a C_ivalue of 0.883 38, while the poorest-performing variety, 2023-Y-1, had a C_ivalue of 0.076 34, indicating a substantial difference between the two. This comprehensive evaluation method balances yield potential and agronomic trait coordination in broomcorn millet varieties, overcoming the one-sidedness of single-indicator evaluation and enabling a systematic assessment of the tested varieties.