Crops ›› 2025, Vol. 41 ›› Issue (3): 78-84.doi: 10.16035/j.issn.1001-7283.2025.03.011

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Comprehensive Evaluation of Regional Trials for the Spring Maize in Northwest China Based on DTOPSIS Method and Membership Function Method

Zhang Zhengjie1(), Yang Guohua1(), Guo Ruihong1, Cheng Kaihua1, Mi Xingwang1, Liu Fei2   

  1. 1Jiuquan Academy of Agricultural Sciences, Jiuquan 735000, Gansu, China
    2Gansu Precision Source Agriculture Limited Liability Company, Lanzhou 730000, Gansu, China
  • Received:2024-12-27 Revised:2025-03-18 Online:2025-06-15 Published:2025-06-03

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Abstract:

In order to better identify new maize varieties and encourage their approval and promotion, 14 traits of 15 spring maize varieties from the regional trial in 2023 in Northwest China were comprehensive examined by DTOPSIS method based on the entropy weight and membership function method combined with principal component analysis. The result showed that the top three were Bangboshi 58, Wanfeng 8121 and DK223 in the comprehensive evaluation of DTOPSIS method based on entropy weight and membership function method combined with principal component analysis. The maximum difference rate was 62.55% by membership function method and 38.19% by DTOPSIS method. Consequently, Bangboshi 58 and Wanfeng 8121 were initially chosen due to their strong potential for application and popularization as well as their good overall performance. Although the comprehensive performance of maize varieties may be objectively assessed using both assessment approaches, the membership function method combined with principal component analysis was more reasonable.

Key words: DTOPSIS method, Membership function method, Spring maize in Northwest China, Regional trials, Comprehensive evaluation

Table 1

Test varieties"

代号
Code		 品种
Variety		 来源
Source		 试验类型
Trial type
J1 大汇66 石家庄永协农业科技有限公司 2a
J2 金科003 张掖市金牛农业有限责任公司 2a
J3 龙玉1319 酒泉酒粮种业有限责任公司 2a
J4 万丰8121 新疆新锐恒丰农业科技有限公司 2a
J5 万瑞7号 陕西万福种业有限公司 2a
J6 DK223 高台中农大康科技开发有限公司 1a
J7 棒博士58 河南秀青种业有限公司 1a
J8 甘农237 甘肃农业大学 1a
J9 龙玉107 酒泉酒粮种业有限责任公司 1a
J10 龙玉108 酒泉酒粮种业有限责任公司 1a
J11 盛玉718 武威市搏盛种业有限责任公司 1a
J12 万瑞18 陕西万福种业有限公司 1a
J13 新农830 海南蓝海新农农业集团有限公司 1a
J14 鑫锐3117 新疆新锐恒丰农业科技有限公司 1a
J15 先玉335 铁岭先锋种子研究有限公司 －

Table 2

Average traits values of 15 varieties"

品种
Variety		 产量
Yield
(kg/hm2)		 穗长
Ear
length
(cm)		 穗行数
Row
number
per ear		 生育期
Growth
period
(d)		 株高
Plant
height
(cm)		 穗位
Ear
height
(cm)		 百粒重
100-
grain
weight
(g)		 叶片数
Number
of
leaves		 倒伏率
Lodging
rate
(%)		 倒折率
Inversion
rate (%)		 茎腐病
发病率
Incidence
rate of stem
rot (%)		 秃尖长
Bald
tip
length
(cm)		 空秆率
Empty
stalk
rate
(%)		 籽粒
含水量
Grain
moisture
(%)
DK223 17 220.2 18.1 16.8 139.9 301.7 117.7 36.9 19.0 0.3 0.1 3.3 0.9 0.1 21.1
棒博士58 Bangboshi 58 17 325.9 18.6 16.8 139.6 276.0 107.1 36.6 19.0 0.1 0.1 2.8 0.2 0.5 19.2
大汇66 Dahui 66 15 837.8 17.9 16.3 139.1 297.4 120.8 37.0 20.0 0.3 0.3 16.0 0.4 0.2 21.0
甘农237 Gannong 237 17 216.9 18.1 16.9 139.6 299.4 111.5 36.3 20.0 0.6 0.1 12.9 1.9 0.4 20.6
金科003 Jinke 003 17 186.6 21.1 17.4 139.6 330.9 129.8 37.2 19.0 0.3 0.1 4.4 1.2 0.4 20.7
龙玉107 Longyu 107 16 125.0 20.2 17.1 140.2 291.4 117.5 34.4 20.0 1.5 0.2 23.9 1.6 0.5 20.9
龙玉108 Longyu 108 17 241.9 18.8 17.1 139.5 289.4 116.6 38.2 19.0 0.3 0.1 17.7 1.2 0.3 19.9
龙玉1319 Longyu 1319 17 259.3 20.2 16.2 139.9 293.7 105.9 38.7 19.0 0.3 0.5 3.4 0.9 1.4 20.3
盛玉718 Shengyu 718 16 789.2 18.7 16.1 140.1 322.1 128.3 38.0 20.0 0.3 0.1 9.8 0.9 0.5 20.9
万丰8121 Wanfeng 8121 17 294.7 20.2 18.3 140.7 296.4 115.9 38.3 20.0 0.3 0.1 10.5 0.9 0.2 20.2
万瑞18 Wanrui 18 17 234.1 20.1 17.3 139.9 293.4 120.0 36.5 19.0 0.1 0.1 5.0 0.6 0.3 21.7
万瑞7号Wanrui 7 17 374.4 20.6 16.5 139.9 290.1 115.7 37.1 19.0 0.4 0.1 13.4 0.4 0.8 21.6
先玉335 Xianyu 335 16 335.0 20.0 17.0 138.8 304.3 112.6 37.0 19.0 0.7 0.3 9.9 1.4 0.5 19.9
新农830 Xinnong 830 17 085.0 19.4 17.1 139.9 321.0 129.9 37.1 20.0 0.3 0.1 11.5 0.7 0.4 20.9
鑫锐3117 Xinrui 3117 16 809.3 19.0 15.2 138.6 304.9 119.6 39.3 19.0 0.3 0.5 5.0 0.6 0.4 14.1
极差Range 1536.6 3.2 3.1 2.1 54.9 24.0 4.9 1.0 1.4 0.4 21.1 1.7 1.3 7.5
标准差Standard deviation 466.3 1.0 0.7 0.5 13.9 7.1 1.1 0.5 0.3 0.1 6.0 0.5 0.3 1.7
变异系数
Coefficient of variation (%)		 2.8 5.0 4.0 0.4 4.6 6.0 3.0 2.5 80.5 75.4 59.8 49.6 64.9 8.6

Table 3

Results of DTOPSIS evaluation"

品种Variety Si+ Si? Ci Ci排序Ci ranking
DK223 1.0144 1.3905 0.5782 3
棒博士58 Bangboshi 58 0.6811 1.4659 0.6828 1
大汇66 Dahui 66 1.3648 1.2026 0.4684 12
甘农237 Gannong 237 1.2845 1.1752 0.4778 10
金科003 Jinke 003 1.2173 1.2780 0.5122 5
龙玉107 Longyu 107 1.4299 1.0441 0.4220 15
龙玉108 Longyu 108 1.2573 1.2228 0.4930 9
龙玉1319 Longyu 1319 1.3467 1.1734 0.4656 13
盛玉718 Shengyu 718 1.2621 1.2332 0.4942 8
万丰8121 Wanfeng 8121 0.9831 1.3966 0.5869 2
万瑞18 Wanrui 18 1.1994 1.2897 0.5181 4
万瑞7号Wanrui 7 1.2487 1.2251 0.4952 7
先玉335 Xianyu 335 1.4214 1.0948 0.4351 14
新农830 Xinnong 830 1.2525 1.2453 0.4986 6
鑫锐3117 Xinrui 3117 1.3552 1.1997 0.4696 11

Table 4

Eigenvalue vectors and cumulative contribution rates of principal components"

指标
Index		 主成分Principal component
1 2 3 4 5 6
产量Yield 0.661 0.056 0.125 0.424 -0.169 -0.323
穗长Ear length 0.165 -0.273 0.514 0.693 0.172 0.203
穗行数Row number per ear 0.210 -0.731 0.230 0.373 0.339 -0.109
生育期Growth period 0.717 -0.245 0.069 -0.16 -0.420 -0.245
株高Plant height -0.691 0.115 0.477 0.199 -0.176 0.007
穗位Ear height -0.600 0.066 0.547 0.335 0.214 -0.017
百粒重100-grain weight 0.541 -0.284 0.298 -0.205 -0.115 0.635
叶片数Number of leaves 0.418 0.538 0.076 0.542 -0.188 0.324
倒伏率和倒折率Lodging and inversion rate 0.762 0.082 0.338 -0.017 0.413 -0.146
空秆率Empty stalk rate -0.123 -0.031 0.903 0.023 -0.078 0.030
秃尖长Bald tip length 0.509 0.452 0.112 -0.365 0.494 0.081
籽粒含水量Grain moisture -0.320 0.816 -0.201 0.095 0.114 -0.046
茎腐病发病率Incidence rate of stem rot 0.602 0.581 0.171 0.159 -0.132 -0.079
特征值Eigenvalue 3.646 2.275 1.990 1.480 1.126 1.073
贡献率Contribution rate (%) 28.045 17.498 15.309 11.387 7.124 5.867
累计贡献率Cumulative contribution rate (%) 28.045 45.542 60.851 72.238 79.362 85.229

Table 5

Principal component value, membership function value and comprehensive evaluation Di values of the tested varieties"

品种
Variety		 主成分因子Principal component factor 隶属函数值Subordinative function value Di
F1 F2 F3 F4 F5 F6 F1 F2 F3 F4 F5 F6
棒博士58 Bangboshi 58 1.9435 1.5281 0.1554 -0.4434 -1.4600 1.0003 1.0000 1.0000 0.6822 0.2092 0.0504 0.8700 0.7489
新农830 Xinnong 830 -0.9721 0.8284 -0.2972 2.8072 -0.5205 -0.2698 0.0951 0.8031 0.5765 1.0000 0.3574 0.4923 0.4971
龙玉108 Longyu 108 0.6018 -2.0248 -0.5540 0.6146 -1.1836 1.3095 0.5836 0.0000 0.5166 0.4666 0.1407 0.9619 0.4251
龙玉1319 Longyu 1319 -0.3104 0.0664 0.5809 -1.2433 -1.6143 -0.6134 0.3005 0.5886 0.7815 0.0146 0.0000 0.3901 0.3889
大汇66 Dahui 66 -1.2228 0.7380 0.4295 -0.3541 1.2673 0.9912 0.0173 0.7776 0.7462 0.2309 0.9415 0.8673 0.4686
甘农237 Gannong 237 0.0383 -1.2367 0.5831 -0.6730 0.3425 -1.9253 0.4087 0.2218 0.7820 0.1533 0.6393 0.0000 0.3944
金科003 Jinke 003 0.3933 0.5018 0.4464 -0.4104 -0.1742 -0.2555 0.5188 0.7111 0.7501 0.2172 0.4705 0.4966 0.5540
鑫锐3117 Xinrui 3117 -1.0496 1.2771 -0.7811 -1.3031 0.1203 -0.4170 0.0710 0.9294 0.4636 0.0000 0.5667 0.4485 0.3757
先玉335 Xianyu 335 -1.2785 -0.8038 -0.0989 -0.0422 -0.9282 -0.0514 0.0000 0.3437 0.6228 0.3068 0.2242 0.5572 0.2805
万丰8121 Wanfeng 8121 1.3145 -0.5655 1.5167 0.6229 1.0735 -0.9575 0.8048 0.4107 1.0000 0.4686 0.8781 0.2878 0.6846
DK223 0.6466 0.8836 0.9361 0.8469 0.5915 -0.1552 0.5975 0.8186 0.8645 0.5231 0.7207 0.5264 0.6863
万瑞18 Wanrui 18 -0.1512 0.1640 -0.0635 -0.0591 1.0384 0.9151 0.3499 0.6161 0.6311 0.3027 0.8667 0.8447 0.5260
盛玉718 Shengyu 718 0.4882 -0.8965 -0.7709 -0.6290 1.4464 1.4375 0.5483 0.3176 0.4660 0.1640 1.0000 1.0000 0.5036
龙玉107 Longyu 107 -1.2024 -0.5726 0.6847 0.0525 -0.3790 0.3765 0.0236 0.4087 0.8058 0.3298 0.4036 0.6845 0.3613
万瑞7号Wanrui 7 0.7609 0.1126 -2.7669 0.2134 0.3799 -1.3850 0.6329 0.6016 0.0000 0.3690 0.6516 0.1607 0.4466

Table 6

Comparison of different comprehensive evaluation methods and output ranking"

品种
Variety		 DTOPSIS法DTOPSIS method 隶属函数法Membership function method 产量Yield
Ci值
Ci value		 排序
Ranking		 差异率
Difference
rate (%)		 Di值
Di value		 排序
Ranking		 差异率
Difference
rate (%)		 产量
Yield
(kg/hm2)		 排序
Ranking		 差异率
Difference
rate (%)
万瑞7号Wanrui 7 0.4952 7 27.47 0.4466 9 40.36 17 374.35 1 0.00
棒博士58 Bangboshi 58 0.6828 1 0.00 0.7489 1 0.00 17 325.90 2 0.28
万丰8121 Wanfeng 8121 0.5869 2 14.05 0.6846 3 8.59 17 294.70 3 0.46
龙玉1319 Longyu 1319 0.4656 13 31.81 0.3889 12 48.07 17 259.30 4 0.66
龙玉108 Longyu 108 0.4930 9 27.79 0.4251 10 43.24 17 241.90 5 0.76
万瑞18 Wanrui 18 0.5181 4 24.11 0.5260 5 29.77 17 234.10 6 0.81
DK223 0.5782 3 15.31 0.6863 2 8.36 17 220.15 7 0.89
甘农237 Gannong 237 0.4778 10 30.03 0.3944 11 47.33 17 216.85 8 0.91
金科003 Jinke 003 0.5122 5 24.99 0.5540 4 26.03 17 186.55 9 1.08
新农830 Xinnong 830 0.4986 6 26.98 0.4971 7 33.63 17 085.00 10 1.67
鑫锐3117 Xinrui 3117 0.4696 11 31.23 0.3757 13 49.84 16 809.30 11 3.25
盛玉718 Shengyu 718 0.4942 8 27.62 0.5036 6 32.75 16 789.20 12 3.37
先玉335 Xianyu 335 0.4351 14 36.28 0.2805 15 62.55 16 335.00 13 5.98
龙玉107 Longyu 107 0.4220 15 38.19 0.3613 14 51.76 16 125.00 14 7.19
大汇66 Dahui 66 0.4684 12 31.40 0.4686 8 37.43 15 837.75 15 8.84
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